CLASS 423, CHEMISTRY OF INORGANIC COMPOUNDS |
700 | ZEOLITE: |
This subclass is indented under the class definition. Products or processes of making wherein the product is zeolite.
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701 | . Organic compound used to form zeolite: |
This subclass is indented under subclass 700. Processes wherein an organic compound is used in synthesizing the zeolite. | |
702 | .. Organic template used: |
This subclass is indented under subclass 701. Processes of making wherein the organic compound is used as an agent for directing crystal lattice synthesis of the zeolite. | |
703 | ... Mixed template: |
This subclass is indented under subclass 702. Processes wherein more than one compound is used together in directing synthesis of the zeolite crystal. | |
704 | ... Nitrogen containing: |
This subclass is indented under subclass 702. Processes wherein the template contains nitrogen. | |
705 | .... Amine: |
This subclass is indented under subclass 704. Processes wherein the template contains a compound having
an amine grouping, i.e., NR3, wherein at
least one of the R groups is an organic radical.
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706 | ..... Cyclic: |
This subclass is indented under subclass 705. Processes wherein the amine is a ringed compound. | |
707 | ..... Hydroxyl: |
This subclass is indented under subclass 705. Processes wherein the amine contains a hydroxy radical (-OH) group. | |
708 | ..... Diamine: |
This subclass is indented under subclass 705. Processes wherein the organic template contains two amine groups. | |
709 | . Seed used: |
This subclass is indented under subclass 700. Processes wherein the zeolite is formed by providing a nucleus for zeolite crystal growth. | |
710 | . Aging to induce zeolite formation from inorganic mixture: |
This subclass is indented under subclass 700. Processes wherein nuclei for the zeolite are allowed to form by passing of time during a period prior to crystallization. | |
711 | .. With physical treatment: |
This subclass is indented under subclass 710. Processes including application of force or energy during aging. | |
712 | . Synthesized from naturally occurring product: |
This subclass is indented under subclass 700. Processes wherein the zeolite is grown from materials that were not artificially produced or synthesized. | |
713 | . Isomorphic metal substitution: |
This subclass is indented under subclass 700. Processes wherein a structural analogue of zeolite is
formed by substituting one or more elements into a zeolite crystal,
e.g., partial or complete replacement of aluminum by silicon to
form a silicon polymorph such as silicalite.
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714 | .. Acid treatment: |
This subclass is indented under subclass 713. Processes wherein zeolite structural analogues are formed by treatment with acid. | |
715 | ... Halogen containing acid: |
This subclass is indented under subclass 714. Process wherein the treatment is with an acid having a halogen element (e.g., HCl). | |
716 | . With change of synthesized zeolite morphology: |
This subclass is indented under subclass 700. Processes wherein a synthesized zeolite of one structural type is converted to a different structural type. | |
717 | .. Physical treatment: |
This subclass is indented under subclass 716. Processes including using mechanical force or energy. | |
718 | . Structure defined by X-ray diffraction pattern: |
This subclass is indented under subclass 700. Products wherein a zeolite structure is identified by a
diffraction grating produced by an X-ray passing through it.
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1 | TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND |
This subclass is indented under the class definition. Processes wherein a mixture is chemically treated to obtain
or recover a compound of a metal contained in the original mixture
as an element, a compound or a precursor transmutable to the metal.
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2 | . Radioactive metal (At. No. 84+ or radioactive isotope of another metal) |
This subclass is indented under subclass 1. Processes in which the compound comprises a metal which
exhibits spontaneous nuclear disintegration with emission of radioactive
particles, either as (1) the naturally unstable metal which has
an atomic number of at least 84, or (2) a metal which has been treated
to render an isotope thereof radioactive; see Glossary.
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3 | .. Actinide series metal (At. No. 89+) |
This subclass is indented under subclass 2. Processes in which the radio-active compound comprises a
metal of the actinide series, i.e., one having an atomic number
of 89 or greater.
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4 | ... Removing cladding or coating from fuel element |
This subclass is indented under subclass 3. Processes in which the actinide metal comprises a nuclear
fuel element and is obtained by treating the fuel element to remove
the covering or casing material therefrom.
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5 | ... Fusing |
This subclass is indented under subclass 3. Processes in which the treatment includes the step of melting material or using molten material. | |
6 | ... Ion exchanging or sorbing |
This subclass is indented under subclass 2. Processes which include (1) attracting and retaining a component
of the mixture by contact with an ion exchange substance or (2) using
a substance which has an affinity for and retains a selected component
or portion of the mixture being treated; see Glossary.
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7 | .... Organic synthetic resin |
This subclass is indented under subclass 6. Processes in which the substance is an organic synthetic
resin.
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8 | ... Liquid-liquid extracting |
This subclass is indented under subclass 3. Processes which include the step of selectively dissolving
a compound in one of two contacting immiscible liquids for separation;
see Glossary.
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9 | .... Organo-nitrogen solvent |
This subclass is indented under subclass 8. Processes in which one of the immiscible liquids is an organic
solvent containing nitrogen, e.g., amines, etc.
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10 | .... Organo-phosphorus solvent |
This subclass is indented under subclass 8. Processes in which one of the liquids is an organic solvent
which contains phosphorus.
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11 | ... Forming insoluble substance in liquid |
This subclass is indented under subclass 3. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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12 | .... By coprecipitating with carrier |
This subclass is indented under subclass 11. Processes in which another substance is caused to become
insoluble and acts to carry out ions of the actinide series metal
while coming out of solution.
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13 | ..... Carrier contains bismuth |
This subclass is indented under subclass 12. Processes in which the other compound comprises bismuth. | |
14 | ..... Carrier contains lanthanum |
This subclass is indented under subclass 12. Processes in which the other compound comprises lanthanum. | |
15 | .... Forming compound containing plural metals or metal and ammonium |
This subclass is indented under subclass 11. Processes in which a compound formed contains the ammonium
(NH4+) radical or another metal in
addition to an actinide series metal.
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16 | .... Forming peroxide (e.g., U04, etc.) |
This subclass is indented under subclass 11. Processes which include forming a peroxide such as UO4, etc. | |
17 | .... Carbonate leaching |
This subclass is indented under subclass 11. Processes which include making a separation by using a carbonate as an active ingredient to leach, wash, or dissolve; see Glossary. | |
18 | .... Acid leaching |
This subclass is indented under subclass 11. Processes which include making a separation by using an acid as an active ingredient to leach, wash, or dissolve; see Glossary. | |
19 | ... Volatizing |
This subclass is indented under subclass 3. Processes including the step of causing a normally liquid
or solid substance in element or compound form to be changed into
a gas or a vapor; see Glossary.
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20 | ... Acid leaching |
This subclass is indented under subclass 3. Processes which include making a separation by using an
acid as an active ingredient to leach, wash, or dissolve; see Glossary.
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21.1 | . Rare earth metal (At. No. 21, 39, or 57-71): |
This subclass is indented under subclass 1. Processes in which the compound comprises one of the metals
known as the "rare earth metals" and which has
an atomic number of 21, 39, or 57-71, inclusive.
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21.5 | .. Ion exchanging or liquid-liquid extracting: |
This subclass is indented under subclass 21.1. Processes which include the step of (a) attracting and retaining a compound of the mixture by contact with an ion exchange substance or (b) selectively dissolving a compound in one of two immiscible liquids to effect a separation; see Glossary. | |
22 | . Platinum group metal (Ru, Rh, Pd, Os, Ir, or Pt) |
This subclass is indented under subclass 1. Processes in which the compound comprises one of the metals
known as the platinum group metals, i.e., ruthenium rhodium, palladium, osmium,
iridium or platinum.
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23 | . Group IB metal (Cu, Ag, or Au) |
This subclass is indented under subclass 1. Processes wherein the compound comprises copper, silver
or gold.
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24 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 23. Processes, which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
25 | .. Sorbing or magnetic separating |
This subclass is indented under subclass 23. Processes which include the step of attracting or retaining a component or portion of the mixture by means of magnetic lines of force or by selective adherence to the surface of a solid; see Glossary. | |
26 | .. Flotation |
This subclass is indented under subclass 23. Processes which include the step of floating or causing concentrated metal values of the mixture to rise to the top and to be skimmed off while the earthy portions of the ore are permitted to settle; see Glossary. | |
27 | .. Leaching, washing, or dissolving |
This subclass is indented under subclass 23. Processes, including a step of causing separation by leaching,
washing or dissolving out; see Glossary.
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28 | ... Specified particle size |
This subclass is indented under subclass 27. Processes which specify a particular particle size or range for the starting mixture, the intermediate or the final product. | |
29 | ... With a cyanide compound |
This subclass is indented under subclass 27. Processes in which one of the active leaching ingredients
is a cyanide.
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30 | .... And pressurizing |
This subclass is indented under subclass 29. Processes in which a pressure above atmospheric is employed
while the leaching is being effected.
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31 | .... And agitating |
This subclass is indented under subclass 29. Processes, wherein the reaction mixture is subjected to
stirring, vibration or mixing while being leached.
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32 | ... With ammonia or ammonium containing compound |
This subclass is indented under subclass 27. Processes in which one of the active leaching ingredients
is ammonia or an ammonium compound.
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33 | .... Specified temperature |
This subclass is indented under subclass 32. Processes wherein a specified temperature or range thereof
is recited.
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34 | ... Forming insoluble substance in liquid |
This subclass is indented under subclass 27. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein, and comes out of solution
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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35 | .... Forming oxide or carbonate |
This subclass is indented under subclass 34. Processes in which an oxide or carbonate is formed. | |
36 | .... Sulfating |
This subclass is indented under subclass 34. Processes which includes chemically forming a compound having
the sulfate (SO42-) radical.
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37 | .... Sulfiding |
This subclass is indented under subclass 34. Processes which includes chemically forming a compound having the sulfide (S2-) ion. | |
38 | ... Halogenating |
This subclass is indented under subclass 27. Processes which include chemically forming a halogen containing
compound.
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39 | .... Specified temperature |
This subclass is indented under subclass 38. Processes in which a specific temperature or a range of temperatures is recited during at least part of the process either for the mixture or for a substance involved in the process. | |
40 | .... With chlorine gas or chlorinated water |
This subclass is indented under subclass 38. Processes in which the halogen in the compound formed is chlorine and is provided by using as a reactant either chlorine gas or chlorinated water. | |
41 | ... Sulfating |
This subclass is indented under subclass 27. Processes which include chemically forming a compound having
the sulfate (SO42-)
radical.
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42 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 23. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and other materials which remain
soluble in the liquid.
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43 | ... Specified pH |
This subclass is indented under subclass 42. Processes in which specific alkalinity or acidity is employed during the process. | |
44 | .. Volatizing copper, silver, or gold |
This subclass is indented under subclass 23. Processes including the step of causing copper, silver or
gold in either the elemental or compound form to pass into the form
of a gas or a vapor; see Glossary.
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45 | .. Sulfating |
This subclass is indented under subclass 23. Processes which include chemically forming a compound containing
the (SO42-) sulfate radical.
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46 | .. Halogenating |
This subclass is indented under subclass 23. Processes which include chemically forming a halogen containing
compound.
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47 | .. Desulfurizing or de-arsenating |
This subclass is indented under subclass 23. Processes including the removal of sulfur or of arsenic
from the mixture.
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48 | .. Forming sulfide or matte |
This subclass is indented under subclass 23. Processes which include forming a sulfide compound or a mixture of sulfides known as a matte. | |
49 | . Group VIIB metal (Mn, Tc, or Re) |
This subclass is indented under subclass 1. Processes wherein the compound comprises manganese, technetium
or rhenium.
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50 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 49. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble substance can be separated from
the liquid and the materials which remain soluble in the liquid.
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51 | ... Halogenating |
This subclass is indented under subclass 50. Processes including the step of chemically forming a compound containing a halogen. | |
52 | ... Sulfating |
This subclass is indented under subclass 50. Process including the step of forming a compound containing the sulfate (SO42-) radical. | |
53 | . Group VIB metal (Cr, Mo, or W) |
This subclass is indented under subclass 1. Processes wherein the compound comprises chromium, molybdenum,
or wolfram (tungsten).
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54 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 53. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
55 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 53. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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56 | ... Ammoniating or nitrating |
This subclass is indented under subclass 55. Processes including the step of chemically forming a compound which contains the ammonium (NH4+) or nitrate (NO3-) radical. | |
57 | ... Sulfating |
This subclass is indented under subclass 55. Processes including the step of chemically forming a compound having the sulfate (SO42-) radical. | |
58 | ... Forming compound containing plural metals |
This subclass is indented under subclass 55. Processes including the step of chemically forming a compound which contains at least two metals. | |
59 | .. Volatizing |
This subclass is indented under subclass 53. Processes including the step of causing a normally solid or liquid substance in either elemental or compound form to be changed into a gas or a vapor; see Glossary. | |
60 | ... As a compound containing chlorine |
This subclass is indented under subclass 59. Processes wherein the substance is a compound which contains chlorine. | |
61 | .. Forming compound containing plural metals |
This subclass is indented under subclass 53. Processes including the step of chemically forming a compound
which contains at least two metals.
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62 | . Group VB metal (V, Nb, or Ta) |
This subclass is indented under subclass 1. Processes wherein the compound comprises vanadium, niobium,
or tantalum.
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63 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 62. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance, or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
64 | .. From organic liquids |
This subclass is indented under subclass 62. Processes wherein the compound is separated from liquids which are organic compounds, i.e., those nonpolar compounds consisting of carbon and hydrogen with or without other elements (except for those compounds in which carbon plays an unimportant part, as carbonates) e.g., petroleum oils, etc. | |
65 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 62. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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66 | ... Hydroxylating or hydrating |
This subclass is indented under subclass 65. Processes including the step of chemically forming a hydroxide or a hydrate. | |
67 | ... Ammoniating or sulfating |
This subclass is indented under subclass 65. Processes including the step of chemically forming a compound which contains the ammonium (NH4+) radical or the sulfate (SO42-) radical. | |
68 | .. Leaching, washing, or dissolving |
This subclass is indented under subclass 62. Processes which include leaching, washing, or dissolving out a portion of the mixture; see Glossary. | |
69 | . Group IVB metal (Ti, Zr, or Hf) |
This subclass is indented under subclass 1. Processes wherein the compound comprises titanium, zirconium,
or hafnium.
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70 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 69. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance, or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
71 | .. Forming compound containing plural metals |
This subclass is indented under subclass 69. Processes including chemically forming a compound which contains at least two metals. | |
72 | ... Halogen containing |
This subclass is indented under subclass 71. Processes in which the compound also contains a halogen. | |
73 | .. Separating Group IVB metals from each other |
This subclass is indented under subclass 69. Processes in which the mixture contains at least two members from the group comprising Ti, Zr, and Hf, and in which one of these members is recovered separately from any other. | |
74 | .. Utilizing fluidized bed |
This subclass is indented under subclass 69. Processes in which solids are suspended in upward flowing
gas or vapor, the upward force of the fluid on the solids being
countered by gravity, resulting in the formation of a zone in which
the particles are compacted into a dense phase; see Glossary.
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75 | .. Volatizing |
This subclass is indented under subclass 69. Processes which include the step of causing a normally solid
or liquid substance in either elemental or compound form to be changed
into a gas or vapor; see Glossary.
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76 | ... Titanium, zirconium, or hafnium |
This subclass is indented under subclass 75. Processes in which titanium, zirconium or hafnium is volatized
in elemental or compound form.
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77 | .... Removing undesirable matter from vapor |
This subclass is indented under subclass 76. Processes in which the vapor stream is treated to remove
undesired materials, the Group IVB metal values remaining in vapor
form during the separation.
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78 | .... Specified physical form of feed solids |
This subclass is indented under subclass 76. Processes in which volatilization takes place using solids
which have been given a claimed physical shape; e.g., briquettes,
pellets, etc.
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79 | .... Contacting feed solids with chlorine gas |
This subclass is indented under subclass 76. Processes in which the vaporization of the Ti, Zr, or Hf is effected during contact of a solid feed material with gaseous chlorine. | |
80 | .. Chemically converting for physical solid-solid separation |
This subclass is indented under subclass 69. Processes in which a chemical reaction is performed upon
the mixture to enable two solid components of the mixture, usually
of different compositions, to be more readily separated from each
other by nonchemical methods and while the components are still
in a solid-state.
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81 | .. Treating with nitrogen or nitrogenous compound |
This subclass is indented under subclass 69. Processes which include the step of reacting or contacting the mixture with a compound which contains nitrogen, e.g., nitric acid, ammonia, etc. | |
82 | .. Treating with sulfur or halogen containing acid |
This subclass is indented under subclass 69. Processes which include the step of reacting or contacting the mixture with an acid which contains sulfur or a halogen, e.g., H2S, H2SO4, HC1, etc. | |
83 | ... Forming metallic iron or insoluble iron containing compound |
This subclass is indented under subclass 82. Processes which include the formation of iron in elemental form or of an insoluble iron containing compound. | |
84 | .. Treating with compound containing alkali metal or alkaline earth metal |
This subclass is indented under subclass 69. Processes which include the step of reacting or contacting the mixture with a compound which contains an alkali metal or an alkaline earth metal. | |
85 | .. Forming insoluble compound containing Group IVB metal |
This subclass is indented under subclass 69. Processes in which a liquid or slurry is treated to form a substance containing a Group IVB metal and which substance is insoluble in, and comes out of solution from, the liquid or slurry, or the composition of the liquid is changed so that the part of the mixture containing the Group IVB metal becomes insoluble therein, so the insoluble substance can be separated from the liquid and the materials which remain soluble in the liquid or slurry. | |
86 | .. Dissolving or leaching of iron |
This subclass is indented under subclass 69. Processes which include the step of dissolving or leaching
iron and thereby separating it from part of the original mixture;
see Glossary.
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87 | . Group VA metal or arsenic (Sb, Bi, or As) |
This subclass is indented under subclass 1. Processes in which the compound comprises antimony, bismuth
or arsenic.
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88 | .. Volatizing |
This subclass is indented under subclass 87. Processes which include the step of causing a normally solid or liquid substance in either elemental or compound form to be changed into a gas or a vapor; see Glossary. | |
89 | . Group IVA metal (Ge, Sn, or Pb) |
This subclass is indented under subclass 1. Processes in which the compound comprises germanium, tin,
or lead.
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90 | .. Detinning |
This subclass is indented under subclass 89. Processes in which the compound comprises tin and is obtained
by treating an article or waste material of a mixture of metals
which includes tin (e.g., terne plate, tin plate, cans, etc.).
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91 | ... Treating with free halogen or hydrogen halide |
This subclass is indented under subclass 90. Processes in which the article or waste material is treated with a halogen which is either in the free state or combined with hydrogen as a halogen containing acid. | |
92 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 89. Processes in which a liquid or slurry is treated to form
a substance which is insoluble in and comes out of solution, or
wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain
soluble in the liquid.
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93 | ... Pressurizing or agitating during reaction |
This subclass is indented under subclass 92. Processes in which a chemical reaction takes place while
the pressure on the mixture is higher than atmospheric or while
the mixture is agitated or vibrated.
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94 | ... Halogenating |
This subclass is indented under subclass 92. Processes which includes the step of chemically forming a compound containing a halogen. | |
95 | ... Nitrating or sulfating |
This subclass is indented under subclass 92. Processes which include the step of chemically forming a compound which contains the nitrate (NO3-) radical or the sulfate (SO42-) radical. | |
96 | .. Volatizing germanium or tin |
This subclass is indented under subclass 89. Processes including the step of causing germanium or tin in elemental or compound form to be changed into a gas or vapor; see Glossary. | |
97 | .. Volatizing lead |
This subclass is indented under subclass 89. Processes including the step of causing lead in elemental or compound form to be changed into a gas or vapor; see Glossary. | |
98 | .. Leaching, washing, or dissolving |
This subclass is indented under subclass 89. Processes which include leaching, washing or dissolving
out a portion of the mixture; see Glossary.
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99 | . Group IIB metal (Zn, Cd, or Hg) |
This subclass is indented under subclass 1. Processes wherein the compound comprises zinc, cadmium or
mercury.
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100 | .. Ion exchanging or magnetic separating |
This subclass is indented under subclass 99. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) attracting and separating a component of the mixture from another component by means of magnetic lines of force; see Glossary. | |
101 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 99. Processes wherein a liquid or a slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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102 | ... Agitating during reaction |
This subclass is indented under subclass 101. Processes in which a chemical reaction takes place while
the mixture is agitated or vibrated.
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103 | ... Halogenating |
This subclass is indented under subclass 101. Processes including the step of chemically forming a compound which contains a halogen. | |
104 | ... Hydroxylating or hydrating |
This subclass is indented under subclass 101. Processes including the step of chemically forming a hydroxide or a hydrate. | |
105 | ... Carbonating |
This subclass is indented under subclass 101. Processes including the step of chemically forming a compound having the carbonate (CO32-) radical. | |
106 | ... Sulfating |
This subclass is indented under subclass 101. Processes including the step of chemically forming a compound having the sulfate (SO42-) radical. | |
107 | .. Volatizing zinc, cadmium, or mercury |
This subclass is indented under subclass 99. Processes including the step of causing zinc, cadmium or mercury in elemental or compound form to be changed into a gas or a vapor; see Glossary. | |
108 | ... Mixture contains lead |
This subclass is indented under subclass 107. Processes wherein the mixture contains lead. | |
109 | .. Leaching, washing, or dissolving |
This subclass is indented under subclass 99. Processes which include leaching, washing, or dissolving out a portion of the mixture; see Glossary. | |
110 | .. Desulfurizing |
This subclass is indented under subclass 99. Processes including the step of removing at least some sulfur from the mixture. | |
111 | . Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) |
This subclass is indented under subclass 1. Processes wherein the compound comprises beryllium, aluminum,
gallium, indium or thallium.
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112 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 111. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
113 | .. Magnetic separating |
This subclass is indented under subclass 111. Processes wherein a separation is made by attracting and separating a component of the mixture from another component by means of magnetic lines of force; see Glossary. | |
114 | .. Forming compound containing ammonium and metal |
This subclass is indented under subclass 111. Processes including the step of chemically forming a compound which contains the ammonium radical and a metal. | |
115 | .. Forming compound containing plural metals |
This subclass is indented under subclass 111. Processes including the step of chemically forming a compound which contains a plurality of metals. | |
116 | ... And halogen |
This subclass is indented under subclass 115. Processes wherein the compound also contains a halogen. | |
117 | ... And sulfur |
This subclass is indented under subclass 115. Processes wherein the compound also contains sulfur. | |
118.1 | ... Aluminosilicate other than zeolite: |
This subclass is indented under subclass 115. Processes wherein the compound is an aluminosilicate, other
than a zeolite, containing silicon, oxygen, aluminum, and another
metal; e.g., sodium aluminosilicate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
119 | ... Alkali metal aluminate |
This subclass is indented under subclass 115. Processes wherein the compound is an alkali metal aluminate, e.g., sodium aluminate (Na2Al204 or Na Al O2). | |
120 | .... From alunite |
This subclass is indented under subclass 119. Processes wherein the mixture or source material includes the mineral alunite, which is naturally occurring K2SO4.Al2(SO4)3 4Al(OH)3 or KAl3(OH) 6(SO4)3. | |
121 | .... From bauxite |
This subclass is indented under subclass 119. Processes wherein the mixture or source material is the mineral bauxite, which is naturally occurring Al2O(OH)4. | |
122 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 111. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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123 | ... Subjecting mixture to pressure, vacuum, or steam |
This subclass is indented under subclass 122. Processes wherein a chemical reaction takes place while
the pressure on the mixture is either higher or lower than atmospheric;
or while steam or water vapor is brought into contact with the mixture.
| |||
124 | ... Agitating during reaction |
This subclass is indented under subclass 122. Processes wherein a chemical reaction takes place while
the mixture is agitated or vibrated.
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125 | ... Nitrating |
This subclass is indented under subclass 122. Processes including the step of chemically forming a compound having the nitrate (NO3-) radical. | |
126 | ... Halogenating |
This subclass is indented under subclass 122. Processes which include the step of chemically forming a compound having a halogen as part thereof. | |
127 | ... Hydroxylating or hydrating |
This subclass is indented under subclass 122. Processes including the step of chemically forming a hydroxide or a hydrate. | |
128 | ... Sulfating |
This subclass is indented under subclass 122. Processes including the step of chemically forming a compound containing the sulfate (SO42-)radical. | |
129 | ... Carbonating |
This subclass is indented under subclass 122. Processes including the step of chemically forming a compound having the carbonate (CO32-) radical. | |
130 | .. Destroying or separating organic impurity |
This subclass is indented under subclass 111. Processes in which the mixture contains an impurity which
meets the definitions of an organic compound and the process includes
a step of (1) removing the impurity from the mixture or (2) doing
away with or breaking up completely the impurity.
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131 | .. Leaching, washing, or dissolving |
This subclass is indented under subclass 111. Processes which include leaching, washing, or dissolving out a portion of the mixture; see Glossary. | |
132 | ... With acid |
This subclass is indented under subclass 131. Processes in which an acid is used as the leaching, washing or the solvent medium. | |
133 | .. Volatizing |
This subclass is indented under subclass 111. Processes including the step of causing a normally solid or liquid substance in either element or compound form to be changed into a gas or a vapor; see Glossary. | |
134 | ... Beryllium |
This subclass is indented under subclass 133. Processes in which the substance is beryllium. | |
135 | ... Group IIIA metal |
This subclass is indented under subclass 133. Processes in which the substance is aluminum, gallium, indium or thallium. | |
136 | .... Utilizing elemental halogen as reactant |
This subclass is indented under subclass 135. Processes which include the step of reacting an uncombined halogen. | |
137 | .. Utilizing carbon as reducing agent |
This subclass is indented under subclass 111. Processes in which include the step of using elemental carbon as a reducing agent. | |
138 | . Iron group metal (Fe, Co, or Ni) |
This subclass is indented under subclass 1. Processes wherein the compound comprises one of the three
metals in Period 4, Group VIII of the periodic system, i.e., iron,
cobalt or nickel, commonly known as the iron group metals; see Glossary.
SEE OR SEARCH CLASS:
| |||
139 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 138. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance, or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
140 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 138. Processes wherein a liquid or a slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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141 | ... Subjecting mixture to pressure, vacuum, or steam |
This subclass is indented under subclass 140. Processes wherein a chemical reaction takes place while
the pressure on the mixture is either higher or lower than atmospheric;
or while steam or water vapor is brought into contact with mixture.
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142 | ... Agitating during reaction |
This subclass is indented under subclass 140. Processes wherein the mixture is agitated or vibrated while
a chemical reaction is taking place.
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143 | ... Utilizing or forming nitrogenous compound |
This subclass is indented under subclass 140. Processes wherein a nitrogen containing compound is formed, reacted, or placed in contact with the mixture during part of the process. | |
144 | .... Carbonating, hydroxylating, or hydrating |
This subclass is indented under subclass 143. Processes including the step of chemically forming a hydroxide, or a hydrate, or a compound having the carbonate (CO32-) radical. | |
145 | .... Sulfating |
This subclass is indented under subclass 143. Processes including the step of chemically forming a compound containing the sulfate (SO42-) radical. | |
146 | ... Sulfating |
This subclass is indented under subclass 140. Processes including the step of forming a compound containing the sulfate (SO42-) radical. | |
147 | .... Halogenating, hydroxylating, or hydrating |
This subclass is indented under subclass 146. Processes including the step of chemically forming a hydroxide, or a hydrate or a compound containing a halogen element. | |
148 | .. Utilizing fluidized bed |
This subclass is indented under subclass 138. Processes in which solids are suspended in upward flowing
gas or vapor, the upward force of the fluid on the solids is countered
by gravity resulting in the formation of a zone in which the particles
are compacted into a dense phase; see Glossary.
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149 | .. Volatizing iron, nickel, or cobalt |
This subclass is indented under subclass 138. Processes including the step of causing any of the iron group metals either as an element or a compound to be changed into a gas or a vapor; see Glossary. | |
150.1 | .. Leaching, washing, or dissolving: |
This subclass is indented under subclass 138. Processes which include removing or bringing into solution
matter by leaching, washing, or dissolving out a portion of the
mixture - see glossary.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
150.2 | ... Spent catalyst: |
This subclass is indented under subclass 150.1. Processes that include recovering values from catalysts.
SEE OR SEARCH CLASS:
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150.3 | ... Treatment of iron containing waste mixture: |
This subclass is indented under subclass 150.1. Processes which include treatment of iron containing product
stream that is a by-product or discarded product of another process
(e.g., products of pickle liquor).
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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150.4 | ... Treatment of matte or nodule: |
This subclass is indented under subclass 150.1. Processes in which the mixture is a matte or nodule containing material (i.e., in form of roasted or smelted ore) or relatively small lumps of mineral. | |
150.5 | .... Gas injected into mixture: |
This subclass is indented under subclass 150.4. Processes which include a step of injecting matter that is gaseous at ambient temperature into the mixture. | |
150.6 | .... With electrolytic or magnetic separation: |
This subclass is indented under subclass 150.1. Process which include a step of removing a component from
the mixture by electric current or magnetomotive force.
SEE OR SEARCH CLASS:
| |||||||
151 | .. Converting metal to magnetic form |
This subclass is indented under subclass 138. Processes including the step of changing a metal from a
nonmagnetic to a magnetic form.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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152 | ... At specified temperature |
This subclass is indented under subclass 151. Processes wherein the temperature or range thereof at which the conversion is made is recited specifically. | |
153 | .. Desulfurizing |
This subclass is indented under subclass 138. Processes including the step of removing at least some sulfur from the mixture. | |
154 | ... At specified temperature |
This subclass is indented under subclass 153. Processes wherein the temperature or range thereof at which the sulfur removal takes place is specifically recited. | |
155 | . Alkaline earth metal (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 1. Processes wherein the compound comprises one of the metals
belonging to the group known as the alkaline earth metals, i.e.,
magnesium, calcium, strontium or barium, or the Group 11A metals
of the periodic system except for beryllium and radium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
156 | .. Magnetic separating |
This subclass is indented under subclass 155. Processes which include the step of attracting a component or portion of the mixture by means of magnetic lines of force to effect a separation. | |
157 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 155. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) selectively dissolving a component in one of two immiscible liquids to effect a separation; see Glossary. | |
157.2 | .. Phosphate rock or ore: |
This subclass is indented under subclass 155. Processes wherein the initial mixture is a naturally formed aggregate material of earth in the form of rock or ore containing phosphate. | |
157.3 | ... Acid treatment: |
This subclass is indented under subclass 157.2. Processes wherein the mixture is treated with an acid. | |
157.4 | .... Sulfating: |
This subclass is indented under subclass 157.3. Processes in which the treatment includes the step of chemically
forming a compound containing the sulfate, (SO4)-2,
radical.
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157.5 | .. Phosphorous or phosphorous compound containing waste as feed: |
This subclass is indented under subclass 155. Processes wherein the mixture treated is a by-product or discarded product of another process. | |
158 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 155. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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159 | ... Subjecting mixture to pressure, vacuum, or steam |
This subclass is indented under subclass 158. Processes wherein a chemical reaction takes place while
the pressure on the mixture is either higher or lower than atmospheric;
or while steam or water vapor is brought into contact with the mixture.
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160 | ... Agitating during reaction |
This subclass is indented under subclass 158. Processes wherein the mixture is agitated or vibrated while
a chemical reaction is taking place.
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161 | ... Specified particle size used or made |
This subclass is indented under subclass 158. Processes in which a specific particle size is either employed
or formed.
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162 | ... Nitrating or ammoniating |
This subclass is indented under subclass 158. Processes including the step of chemically forming a compound which contains the nitrate (NO3-) radical or the ammonium (NH4+) radical. | |
163 | ... Halogenating |
This subclass is indented under subclass 158. Processes including the step of chemically forming a compound containing a halogen. | |
164 | ... Hydroxylating or hydrating |
This subclass is indented under subclass 158. Processes including the step of chemically forming a hydroxide or a hydrate. | |
165 | ... Carbonating |
This subclass is indented under subclass 158. Processes including the step of chemically forming a compound having the carbonate (CO32-) radical. | |
166 | ... Sulfating |
This subclass is indented under subclass 158. Processes including the step of chemically forming a compound having the sulfate (SO42-) radical. | |
167.1 | .. Treating asbestos: |
This subclass is indented under subclass 155. Processes wherein the mixture treated has asbestos, a native
magnesium calcium silicate (e.g., chrysotile, crocidolite and amosite).
SEE OR SEARCH CLASS:
| |||
168 | .. Mixing fuel with starting mixture |
This subclass is indented under subclass 155. Processes wherein a combustible fuel material is mixed with the raw or original mixture. | |
169 | .. Separating magnesium and calcium from each other (e.g., treating dolomite, etc.) |
This subclass is indented under subclass 155. Processes wherein the original mixture includes magnesium
and calcium and wherein each is separated from the other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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170 | .. Treating impure sulfate (e.g., barite, etc.) |
This subclass is indented under subclass 155. Processes in which the original mixture contains a metal sulfate. | |
171 | ... Calcining gypsum |
This subclass is indented under subclass 170. Processes wherein at least some of the water of hydration
is removed from gypsum (CaSO4 2H2O)
by applying heat.
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172 | .... With steam or at specified temperature |
This subclass is indented under subclass 171. Processes in which the heat for removing the water of hydration is supplied by steam or water vapor, or the particular heating temperature, or range thereof, is specified. | |
173 | .. Treating impure carbonate (e.g., oyster shells, etc.) |
This subclass is indented under subclass 155. Processes wherein the original mixture contains the carbonate
of an alkaline earth metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
174 | ... Forming calcium carbide |
This subclass is indented under subclass 173. Processes including the step of chemically forming calcium carbide (CaC2). | |
175 | ... Calcining |
This subclass is indented under subclass 173. Processes which include the step of heating the impure carbonate.
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176 | .... Utilizing vacuum or steam |
This subclass is indented under subclass 175. Processes wherein the mixture is subjected to a pressure below atmospheric or the heat is supplied by steam or water vapor. | |
177 | .... With agitating or at specified temperature |
This subclass is indented under subclass 175. Processes including the step of agitating or vibrating the mixture while it is being heated or in which a particular heating temperature or range thereof is specified. | |
178 | .. Mixture contains halogen or sulfur |
This subclass is indented under subclass 155. Processes wherein the original mixture contains a halogen or sulfur. | |
179 | . Alkali metal (Li, Na, K, Rb, or Cs) |
This subclass is indented under subclass 1. Processes wherein the compound comprises one of the metals
belonging to the group known as the alkali metals, i.e., lithium, sodium,
potassium, rubidium or cesium or the metals of Group 1A of the periodic
system except for francium.
SEE OR SEARCH CLASS:
| |||
179.5 | .. Lithium: |
This subclass is indented under subclass 179. Processes wherein the metal has atomic number 3. | |
180 | .. Decomposing amalgam or other alloy |
This subclass is indented under subclass 179. Processes wherein the mixture is an amalgam or another alloy
of two or more metals.
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181 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 179. Processes which include the step of (1) attracting and retaining a component of the mixture by contact with an ion exchange substance or (2) selectively dissolving a component in one of two immiscible liquids to effect a separations; see Glossary. | |
182 | .. Regenerating solution |
This subclass is indented under subclass 179. Processes in which the alkali metal is contained in a solution
used in a process, and has become ineffective to properly function
in such a process because of dilution, impurities or other reason,
and the solution is then regenerated or rehabilitated to approximately
its original state or condition.
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183 | ... Hydroxide solution |
This subclass is indented under subclass 182. Processes wherein the solution contains hydroxide (OH-) ions. | |
184 | .. Forming insoluble substance in liquid |
This subclass is indented under subclass 179. Processes wherein a liquid or slurry is treated to form
a substance which is insoluble therein and comes out of solution,
or wherein the composition of the liquid is changed so that one part
of the mixture becomes insoluble therein, so the insoluble substance
can be separated from the liquid and the materials which remain soluble
in the liquid.
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185 | ... Fluorinating or defluorinating |
This subclass is indented under subclass 184. Processes including the step of (1) chemically forming a compound having fluorine therein, (2) using fluorine in any form as a reactant or (3) treating the mixture to remove fluorine therefrom. | |
186 | ... Carbonating |
This subclass is indented under subclass 184. Processes including the step of chemically forming a compound having the carbonate (CO32-) radical. | |
187 | .... Utilizing or forming nitrogenous compound |
This subclass is indented under subclass 186. Processes wherein a compound containing nitrogen is formed, is reacted or is in contact with the mixture during at least part of the process. | |
188 | .... Subjecting mixture to pressure, vacuum, or steam |
This subclass is indented under subclass 186. Processes wherein a reaction takes place while the pressure
on the mixture is either higher or lower than atmospheric, or wherein
steam or water vapor is brought into contact with the mixture.
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189 | .... Utilizing carbon dioxide as reactant |
This subclass is indented under subclass 186. Processes including the step of reacting carbon dioxide (CO2) with at least part of the mixture. | |
190 | ..... Mixture contains metal chloride |
This subclass is indented under subclass 189. Processes wherein the original mixture contains a metallic chloride compound. | |
191 | .... Halogenating |
This subclass is indented under subclass 186. Processes including the step of chemically forming a compound
containing a halogen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
192 | .... Hydroxylating or hydrating |
This subclass is indented under subclass 186. Processes including the step of chemically forming a hydroxide or a hydrate. | |
193 | .... Sulfating |
This subclass is indented under subclass 186. Processes including the step of chemically forming a compound containing the sulfate (SO42-) radical. | |
194 | ... Utilizing or forming nitrogenous compound |
This subclass is indented under subclass 184. Processes wherein a compound containing nitrogen is formed,
is reacted, or is in contact with the mixture during at least part
of the process.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
195 | ... Subjecting mixture to pressure, vacuum, or steam |
This subclass is indented under subclass 184. Processes wherein a reaction takes place while the pressure
on the mixture is either higher or lower than atmospheric; or wherein
steam or water vapor is brought in contact with the mixture.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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196 | ... Agitating during reaction |
This subclass is indented under subclass 184. Processes in which a chemical reaction takes place while
the mixture is agitated or vibrated.
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197 | ... Halogenating |
This subclass is indented under subclass 184. Processes including the step of chemically forming a compound
containing a halogen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
198 | ... Hydroxylating or hydrating |
This subclass is indented under subclass 184. Processes including the step of chemically forming a hydroxide
or a hydrate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
199 | ... Sulfating |
This subclass is indented under subclass 184. Processes including the step of chemically forming a compound having the sulfate radical (SO42-). | |
200 | .. Volatizing an alkali metal |
This subclass is indented under subclass 179. Processes including the step of causing an alkali metal in either the element or compound form to pass into a vapor; see Glossary. | |
201 | .. Agitating during heating or reaction |
This subclass is indented under subclass 179. Processes wherein the mixture is agitated or vibrated while
being heated or while a reaction is occurring.
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202 | .. Treating with acid or acid salt |
This subclass is indented under subclass 179. Processes including the step of using a compound which yields hydrogen (H+) ions in solution and gives a pH of below 7, such as an acid or acid salt, e.g., NaHSO4, etc. | |
203 | .. Subjecting mixture to pressure, vacuum, or steam |
This subclass is indented under subclass 179. Processes wherein the reaction or heating takes place while
the pressure on the mixture is either higher or lower than atmospheric,
or wherein steam or water vapor is brought in contact with the mixture.
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204 | ... Mixture contains organic impurity |
This subclass is indented under subclass 203. Processes wherein the original mixture contains an organic
impurity.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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205 | ... Leaching or forming water soluble substance |
This subclass is indented under subclass 203. Processes including the step of dissolving out part of a
solid, or chemically forming a substance while is soluble in water;
see Glossary for leaching.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
206.1 | .. Mixture contains organic or carbonaceous impurity: |
This subclass is indented under subclass 179. Processes wherein the original mixture has an organic or
a carbon containing impurity.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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206.2 | ... Alkali carbonate from trona: |
This subclass is indented under subclass 206.1. Processes wherein the original mixture contains trona; i.e., an ore characterized by containing sodium carbonate. | |
207 | ... Burning the impurity |
This subclass is indented under subclass 206.1. Processes including combusting the organic or carbonaceous impurity. | |
208 | .. Water leaching or forming water soluble substance |
This subclass is indented under subclass 179. Processes including the step of dissolving out a portion
of a solid with water as a solvent, or forming a substance which
is soluble in water; see Glossary for leaching.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
209 | .. Carbonating |
This subclass is indented under subclass 179. Processes including the step of chemically forming a compound having the carbonate (CO32-) radical. | |
210 | MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE |
This subclass is indented under the class definition. Processes in which an initial gaseous or vaporous mixture
is treated so as to remove therefrom or change to a different chemical form
at least one of the components therein, resulting in a heterogeneous
composition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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210.5 | . Direct contact with molten material |
This subclass is indented under subclass 210. Processes in which the treatment includes the direct contact
between the gaseous mixture and a material in the molten state.
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212 | . Mixture is exhaust from internal-combustion engine |
This subclass is indented under subclass 210. Processes in which the initial gaseous mixture is the exhaust
from an internal combustion engine.
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213.2 | .. Utilizing as solid sorbent, catalyst, or reactant a material containing a transition element |
This subclass is indented under subclass 212. Processes, in which the material used to treat the gaseous
mixture is in the solid-state and comprises a transition element,
or compound thereof, and which functions to (1) modify a component,
or (2) attract and retain a component, or (3) react with and chemically
change a component.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
213.5 | ... Group VIII element |
This subclass is indented under subclass 213.2. Processes in which the transition element is one which appears in Group VIII of the Periodic Table. | |
213.7 | ... Including successive stage treatments to modify or remove a different component in each stage |
This subclass is indented under subclass 213.2. Processes in which there are at least two serial treatments of the gaseous mixture, each treatment modifying or removing a component different than that affected by the other. | |
219 | . Molecular oxygen or ozone component: |
This subclass is indented under subclass 210. Processes in which the component is oxygen in a molecular
form or ozone.
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| |||||
220 | . Carbon dioxide or hydrogen sulfide component |
This subclass is indented under subclass 210. Processes wherein the component is carbon dioxide (CO2)
or hydrogen sulfide (H2S).
SEE OR SEARCH CLASS:
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221 | .. Utilizing thionate or thiosulfate as reactant |
This subclass is indented under subclass 220. Processes in which the material used to treat the gaseous mixture comprises a thionate or thiosulfate compound (S2O32-). | |
222 | .. Reacting mixture with sulfur dioxide, sulfite, or bisulfite |
This subclass is indented under subclass 220. Processes in which the material used to treat the gaseous
mixture comprises sulfur dioxide or a solution thereof or a sulfite
(SO32-) or bisulfite (HSO3-)
compound.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
223 | .. Utilizing reactant containing arsenic, phosphorus, or boron |
This subclass is indented under subclass 220. Processes in which the material used to treat the gaseous
mixture comprises arsenic, phosphorus or boron or compounds thereof.
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224 | .. By oxidizing or burning component |
This subclass is indented under subclass 220. Processes in which the component is removed or changed by
causing (1) it to combine with oxygen, or to produce a flame, or
(2) the augmentation of the valence number of an ion or atom thereof
as the result of the loss of negative charges as electrons thereby
making it more electropositive.
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225 | .. By suspension of metal oxide or hydroxide particles in liquid |
This subclass is indented under subclass 220. Processes in which the material used to treat the gaseous mixture comprises solid particles of an oxide or hydroxide of a metal dispersed throughout a liquid vehicle. | |
226 | .. Utilizing organic reactant |
This subclass is indented under subclass 220. Processes in which the material used to treat the gaseous
mixture comprises an organic compound, at least in part.
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227 | ... Phenolate or phenolic type |
This subclass is indented under subclass 226. Processes wherein the compound has an aromatic nucleus in which at least one of the hydrogen atoms has been replaced by a hydroxyl group. | |
228 | ... Amine |
This subclass is indented under subclass 226. Processes wherein the organic compound is one derived from ammonia by substituting an organic radical for at least one of the hydrogens. | |
229 | .... Ethanolamine |
This subclass is indented under subclass 228. Processes in which an aminoalcohol substituent is ethanol. | |
230 | .. Utilizing solid sorbent, catalyst, or reactant |
This subclass is indented under subclass 220. Processes in which the treating material is in the solid-state
and functions to (1) modify a component, (2) attract and retain
the component, or (3) react with and chemically change the constituent.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
231 | ... Iron oxide or hydroxide |
This subclass is indented under subclass 230. Processes in which the solid treating material includes an oxide or hydroxide of iron. | |
232 | .. Utilizing carbonate as reactant |
This subclass is indented under subclass 220. Processes in which the treating material comprises a carbonate (CO32-) or bicarbonate (HCO3-) compound in solution. | |
233 | ... And regenerating reactant by incoming actifying gas |
This subclass is indented under subclass 232. Processes in which the material is revivified after being used by being contacted with a gas to cause the constituent to be separated or removed therefrom so that the material may again be used to treat the gaseous mixture. | |
234 | .. Utilizing ammonium or metal hydroxide solution |
This subclass is indented under subclass 220. Processes in which the gaseous mixture in contacted with a treating material comprising the hydroxide of a metal or of ammonium, is solution. | |
235 | . Nitrogen or nitrogenous component |
This subclass is indented under subclass 210. Processes in which the component is molecular nitrogen or
a nitrogen-containing compound.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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236 | .. Component also contains carbon (e.g., cyanogen, hydrogen cyanide, etc.) |
This subclass is indented under subclass 235. Processes in which the component is a compound containing
nitrogen and carbon atoms.
| |||
237 | .. Ammonia |
This subclass is indented under subclass 235. Processes in which the component is ammonia (NH3).
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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238 | ... Utilizing liquid as reactant |
This subclass is indented under subclass 237. Processes in which the ammonia is removed or changed by
means of a reactant in the liquid state.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
239.1 | .. Utilizing solid sorbent, catalyst, or reactant: |
This subclass is indented under subclass 235. Process in which the treating material is a solid and functions
to (a) modify a component, (b) attract and retain a component, or
(c) react with and chemically change a component.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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239.2 | ... Zeolite: |
This subclass is indented under subclass 239.1. Process in which the treating material contains a zeolite. | |
240R | . Halogenous component |
This subclass is indented under subclass 210. Processes in which the component is a halogen containing
material.
SEE OR SEARCH CLASS:
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241 | .. Free halogen |
This subclass is indented under subclass 240. Processes in which the component is free or molecular halogen.
| |||
240S | .. Solid removal agent |
This subclass has no definition. | |
242.1 | . Sulfur or sulfur containing component: |
This subclass is indented under subclass 210. Processes in which the component is sulfur or a compound
thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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242.2 | .. Utilizing reactant having organic portion to remove or modify sulfur or sulfur containing component: |
This subclass is indented under subclass 242.1. Process wherein the sulfur or sulfur containing component
is removed or changed by treatment with a reactant, a portion of
which is an organic compound radical.
SEE OR SEARCH CLASS:
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242.3 | ... Organic acid: |
This subclass is indented under subclass 242.2. Process wherein the reactant is an organic acid (i.e., a compound containing -COOH). | |
242.4 | ... Alcohol, arylhydroxide, or polyol: |
This subclass is indented under subclass 242.2. Process wherein the organic portion is an alcohol, an aryl radical, or an organic radical having one or a plurality of hydroxyl groupings (i.e., (OH)-1). | |
242.5 | ... Sugar: |
This subclass is indented under subclass 242.2. Process wherein the organic portion is a radical from a sweet carbohydrate, having a general formula of CNH2NON or CNH2N-2ON-1 (e.g., sucrose). | |
242.6 | ... Heterocyclic: |
This subclass is indented under subclass 242.2. Process wherein the reactant contains an organic ring portion having a dissimilar atom (e.g., S or N) in the ring. | |
242.7 | ... Amine: |
This subclass is indented under subclass 242.2. Process wherein the nitrogen containing reactant is an amine (i.e., NR3 grouping wherein at least one of the R groups is an organic radical). | |
243.01 | .. Utilizing aqueous reactant to remove or modify sulfur containing component: |
This subclass is indented under subclass 242.1. Process wherein the sulfur or sulfur containing component is removed or changed by treatment with a reactant dissolved in or contained in water (e.g., solution or slurry). | |
243.02 | ... And addition of gaseous reactant: |
This subclass is indented under subclass 243.01. Process wherein a reactant is added that is in a gaseous
state at ambient condition (e.g., NH3, Cl2).
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243.03 | .... Oxygen: |
This subclass is indented under subclass 243.02. Process wherein the gaseous reactant includes elemental
oxygen.
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243.04 | ... Ion separation step: |
This subclass is indented under subclass 243.01. Process wherein the treatment takes place by immediate
reaction with a product of an ionic separation process, (i.e.,
dialysis, either by separation using a semipermeable membrane or
by electrolysis).
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243.05 | ... With component added to inhibit corrosion or scaling of processing apparatus: |
This subclass is indented under subclass 243.01. Process wherein the treatment includes addition of a reactive
component whose function is specified to restrain or stop corroding
or scaling of processing equipment.
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243.06 | ... Ammonium compound reactant: |
This subclass is indented under subclass 243.01. Process wherein the reactant contains an ammonium (NH4)+1 radical. | |
243.07 | ... Transition metal or compound thereof reactant: |
This subclass is indented under subclass 243.01. Process wherein the reactant is a transition metal or a compound thereof. | |
243.08 | ... Alkali or alkali earth compound reactant: |
This subclass is indented under subclass 243.01. Process wherein the reactant is an alkali or alkaline earth compound. | |
243.09 | .... Sulfite: |
This subclass is indented under subclass 243.08. Process wherein the alkaline component contains a sulfite radical (SO3)-2. | |
243.1 | .... And additional ionic reactant: |
This subclass is indented under subclass 243.08. Process wherein the reactant also contains a dissociated
ionic reactant other than the alkali or the alkaline earth compound
reactant.
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243.11 | ... And subsequent reactive treatment to remove sulfur from spent reactant: |
This subclass is indented under subclass 243.01. Process wherein the reactant, after removing or changing
the sulfur or sulfur containing component from the gaseous mixture, is
subjected to a further reactive treatment wherein sulfur or a sulfur
containing component is removed from the reactant.
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243.12 | .... Gaseous treatment: |
This subclass is indented under subclass 243.11. Process wherein further reactive treatment is with a reactant in a gaseous state. | |
244.01 | .. Utilizing solid reactant or catalyst to remove or modify sulfur or sulfur containing component: |
This subclass is indented under subclass 242.1. Process wherein the sulfur or sulfur containing component is removed or changed by treatment with a reactant or catalyst that is in a solid-state. | |
244.02 | ... Reactant or catalyst on support: |
This subclass is indented under subclass 244.01. Process wherein the reactant or catalyst is positioned in contact with a supporting material. | |
244.03 | .... Carbonaceous support: |
This subclass is indented under subclass 244.02. Process wherein the support is composed of a carbon containing material (e.g., activated carbon). | |
244.04 | .... Aluminosilicate support: |
This subclass is indented under subclass 244.02. Process wherein the support is composed of a material containing a compound of aluminum, oxygen, and silicon. | |
244.05 | ... Reactant added to fuel for reaction in gas mixture: |
This subclass is indented under subclass 244.01. Process wherein the reactant is added to a mixture consumed to produce energy. | |
244.06 | ... Transition metal or compound thereof reactant: |
This subclass is indented under subclass 244.01. Process wherein the reactant is a transition metal or a compound thereof. | |
244.07 | ... Alkali or alkaline earth compound reactant: |
This subclass is indented under subclass 244.01. Process wherein the reactant is a compound that contains an alkali metal or alkaline-earth metal. | |
244.08 | .... Carbonate: |
This subclass is indented under subclass 244.07. Process wherein the compound contains a carbonate radical (i.e., (CO3)-2). | |
244.09 | ... Catalyst: |
This subclass is indented under subclass 244.01. Process wherein the sulfur or sulfur containing component is treated with a catalyst present. | |
244.1 | .... Transition metal or compound thereof catalyst: |
This subclass is indented under subclass 244.09. Process wherein the catalyst includes a transition metal or a compound thereof. | |
244.11 | .... Zeolite containing: |
This subclass is indented under subclass 244.09. Process wherein the catalyst contains a zeolite.
SEE OR SEARCH CLASS:
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245.1 | . Organic component: |
This subclass is indented under subclass 210. Process wherein the component is an organic compound, at
least in part.
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245.2 | .. Utilizing liquid reactant: |
This subclass is indented under subclass 245.1. Process wherein a liquid reactant is utilized to modify or remove the organic component. | |
245.3 | .. By burning or catalytically combusting component: |
This subclass is indented under subclass 245.1. Process wherein the organic component is either burned or catalytically combusted using oxygen, air, ozone, or a mixture thereof. | |
246 | . Carbon monoxide component |
This subclass is indented under subclass 210. Processes wherein the component is carbon monoxide.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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247 | .. Utilizing solid sorbent, catalyst, or reactant |
This subclass is indented under subclass 246. Processes in which the treating material is in the solid-state
and functions to (1) modify a component, (2) attract and retain
a component or (3) react with and chemically change a constituent.
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248 | . Hydrogen component |
This subclass is indented under subclass 210. Processes wherein the component is hydrogen in molecular
form.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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215.5 | . Solid component |
This subclass is indented under subclass 210. Processes in which the component removed is in the solid-state
in the gaseous mixture.
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249 | RADIOACTIVE (AT. NO. 84+ OR RADIOACTIVE ISOTOPE OF ANOTHER ELEMENT) |
This subclass is indented under the class definition. Products , or processes for making such products, which
exhibit spontaneous nuclear disintegration with emission of radioactive
particles and which comprises (1) the compound of an element which
is naturally unstable and has an atomic number of at least 84, (2)
compound of an element which has been treated to render an isotope
thereof radioactive or (3) a nonmetallic element which is naturally
or has been treated to make it or an isotope thereof radioactive;
see Glossary.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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250 | . Transuranium compound |
This subclass is indented under subclass 249. Products or processes in which the compound comprises an element having an atomic number of 93 or greater. | |
251 | .. Plutonium containing |
This subclass is indented under subclass 250. Products or processes in which the compound comprises plutonium. | |
252 | . Thorium compound |
This subclass is indented under subclass 249. Products or processes in which the compound comprises thorium. | |
253 | . Uranium compound |
This subclass is indented under subclass 249. Products or processes which the compound comprises uranium. | |
254 | .. Binary compound |
This subclass is indented under subclass 253. Products or processes in which the compound consists of uranium and only one other elements. | |
255 | ... Hydrogen containing |
This subclass is indented under subclass 254. Products or processes in which the other element is hydrogen. | |
256 | ... Carbon containing |
This subclass is indented under subclass 254. Products or processes in which the other element is carbon. | |
257 | ... Chlorine containing |
This subclass is indented under subclass 254. Products or processes in which the other element is chlorine. | |
258 | ... Fluorine containing |
This subclass is indented under subclass 254. Products or processes in which the other element is fluorine. | |
259 | .... Tetrafluoride |
This subclass is indented under subclass 258. Products or processes in which the binary compound is uranium tetrafluoride (UF4). | |
260 | ... Oxygen containing |
This subclass is indented under subclass 254. Products or processes in which the other element is oxygen. | |
261 | .... Dioxide |
This subclass is indented under subclass 260. Products or processes in which the binary compound is uranium
dioxide (UO2).
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262 | INERT OR NOBLE GAS OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes in which the product is a noble or
inert gas having atomic nos. 2, 10, 18, 36, or 54, or a compound
thereof; the gas being a member of the "zero" group
of the periodic table, having no valency and combining with other
elements only with difficulty.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
263 | RARE EARTH COMPOUND (AT. NO. 21, 39, OR 57-71) |
This subclass is indented under the class definition. Products or processes in which the product is a compound
of a metal which is a member of the "rare earth" or
lanthanide series and which has an atomic number of 21, 39, or 57 through
71.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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264 | CHANGING COLOR CHARACTERISTIC OF IMPURITY |
This subclass is indented under the class definition. Processes in which a compound whose color is, or would be,
adversely affected by an impurity therein, is treated to chemically
modify the impurity and thus improve the color.
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265 | WITH ADDITIVE |
This subclass is indented under the class definition. Products or processes comprising a compound or a nonmetallic
element physically interrelated with another substance which serves
to improve, protect or modify the product, which substance does
not take part in the reaction, which makes the product, but is added to
the reaction or to the product or is made by a separate and distinct
reaction.
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266 | . For stabilizing crystal size or shape |
This subclass is indented under subclass 265. Products or processes in which the compound or nonmetallic
element has a crystalline form and the substance serves to attain
a desired crystal shape or size or to prevent change of the desired
shape or size.
SEE OR SEARCH CLASS:
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267 | . Including anticaking or antihygroscopic function |
This subclass is indented under subclass 265. Products or processes in which the substance acts to prevent
or reduce (1) the absorption of moisture into the mixture or (2)
the cohering of individual particles into larger masses.
SEE OR SEARCH CLASS:
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268 | .. Additive contains organic portion |
This subclass is indented under subclass 267. Products or processes in which the substance is or includes
an organic material.
SEE OR SEARCH CLASS:
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269 | . Including corrosion inhibitor |
This subclass is indented under subclass 265. Products or processes which the substance prevents or inhibits
the compound or non metallic element from eroding or eating away
materials external to the product.
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270 | . For sulfur trioxide |
This subclass is indented under subclass 265. Products or processes in which the product is sulfur trioxide
(SO3).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
271 | .. Additive contains metal, boron, or silicon |
This subclass is indented under subclass 270. Products or processes in which the substance is a metal, boron or silicon, or a compound thereof. | |
272 | . For hydrogen peroxide |
This subclass is indented under subclass 265. Products or processes which the product is hydrogen peroxide
(H2O2).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
273 | .. Additive contains metal, boron, or silicon |
This subclass is indented under subclass 272. Products or processes in which the substance is a metal, boron or silicon, or a compound thereof. | |
274 | . Coating or binder |
This subclass is indented under subclass 265. Products or processes in which the substance is interrelated
as a (1) covering over at least part of the surface of the product
or (2) a binder causing the particles of the product to adhere to one
another.
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275 | . Additive contains metal, boron, or silicon |
This subclass is indented under subclass 265. Products or processes in which the substance is a metal, boron or silicon, or a compound thereof. | |
276 | BORON OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes wherein the product is boron or a compound thereof. | |
277 | . Oxygen containing |
This subclass is indented under subclass 276. Products or processes wherein the boron compound includes oxygen. | |
278 | .. Binary compound |
This subclass is indented under subclass 277. Products or processes wherein the compound contains only the elements boron and oxygen. | |
279 | .. Ternary compound containing metal or ammonium |
This subclass is indented under subclass 277. Products or processes wherein the compound contains only
boron, oxygen and either a metal or the ammonium radical.
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280 | ... Utilizing dissolved or liquid reactant |
This subclass is indented under subclass 279. Processes which includes the use of at least one reactant
in the liquid state or in solution.
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281 | .... Peroxide |
This subclass is indented under subclass 280. Processes in which the reactant comprises a peroxide. | |
282 | .... Carbon containing |
This subclass is indented under subclass 280. Processes in which the reactant comprises a compound containing the element carbon. | |
283 | .. Ternary compound containing hydrogen |
This subclass is indented under subclass 277. Products or processes wherein the compound contains only the three elements, boron, oxygen and hydrogen. | |
284 | . Nitrogen and hydrogen containing |
This subclass is indented under subclass 276. Products or processes in which the compound also contains nitrogen and hydrogen. | |
285 | .. Ternary compound |
This subclass is indented under subclass 284. Products or processes in which the compound contains only the three elements boro, hydrogen and nitrogen. | |
286 | . Hydrogen and metal or ammonium containing |
This subclass is indented under subclass 276. Products or processes in which the compound also contains hydrogen and either a metal or the ammonium (NH4+). | |
287 | .. Utilizing halogen containing reactant |
This subclass is indented under subclass 286. Processes which include the use of a halogen containing compound as a reactant. | |
288 | .. Utilizing oxygen containing reactant |
This subclass is indented under subclass 286. Processes which include the use of an oxygen containing compound as a reactant. | |
289 | . Binary compound (e.g., boride, etc.) |
This subclass is indented under subclass 276. Products and processes in which the compound contains boron
and only one other element.
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290 | .. Nitrogen containing |
This subclass is indented under subclass 289. Products of processes wherein the other element is nitrogen. | |
291 | .. Carbon containing |
This subclass is indented under subclass 289. Products or processes wherein the other element is carbon. | |
292 | .. Halogen containing |
This subclass is indented under subclass 289. Products or processes wherein the other element is a halogen. | |
293 | ... Fluorine |
This subclass is indented under subclass 292. Products or processes wherein the halogen is fluorine. | |
294 | .. Hydrogen containing |
This subclass is indented under subclass 289. Products or processes wherein the other element is hydrogen. | |
295 | ... By reacting metal hydride or organic derivative thereof |
This subclass is indented under subclass 294. Processes which include the step of reacting a metal containing hydride or an organic derivative thereof. | |
296 | ... By reacting free hydrogen |
This subclass is indented under subclass 294. Processes which include the step of reacting elemental or uncombined hydrogen. | |
297 | .. Refractory metal containing (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, or W) |
This subclass is indented under subclass 289. Products or processes wherein the other element is titanium, vanadium chromium, zirconium, niobium, molybdenum, hafnium, tantalum, or tungsten, commonly known as a refractory metal. | |
298 | . Elemental boron |
This subclass is indented under subclass 276. Products or processes wherein the product is elemental boron. | |
299 | PHOSPHORUS OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes wherein the product is phosphorus
or a compound thereof.
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300 | . Halogen containing |
This subclass is indented under subclass 299. Products or processes wherein the product contains a halogen. | |
301 | .. Fluorine |
This subclass is indented under subclass 300. Products or processes wherein the halogen is fluorine. | |
302 | . Nitrogen containing |
This subclass is indented under subclass 299. Products or processes wherein the product contains nitrogen.
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303 | . Sulfur containing |
This subclass is indented under subclass 299. Products or processes wherein the product contains sulfur. | |
304 | . Oxygen containing |
This subclass is indented under subclass 299. Products or processes wherein the product contains oxygen. | |
305 | .. Metal or ammonium containing |
This subclass is indented under subclass 304. Products or processes wherein the product also contains
a metal or the ammonium (NH4+)
radical.
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| |||
306 | ... Plural metal or metal and ammonium containing |
This subclass is indented under subclass 305. Products or processes wherein the product contains two metals or a metal and the ammonium (NH4+) radical. | |
307 | ... Hydrogen containing |
This subclass is indented under subclass 305. Products or processes wherein the product also contains hydrogen. | |
308 | .... Orthophosphate (e.g., calcium hydroxyapatite) |
This subclass is indented under subclass 307. Products or processes wherein the product contains the orthophosphate (PO43-) radical. | |
309 | ..... Utilizing phosphoric acid or its anhydride as reactant |
This subclass is indented under subclass 308. Processes which include the step of reacting phosphoric acid or its anhydride. | |
310 | ...... And ammonia |
This subclass is indented under subclass 309. Processes which include the step of reacting ammonia. | |
311 | ... Orthophosphate |
This subclass is indented under subclass 305. Products or processes wherein the product contains the orthophosphate (PO43-) radical. | |
312 | .... Alkali metal or ammonium containing |
This subclass is indented under subclass 311. Products or processes wherein the product contains lithium, sodium, potassium, rudidium, cesium or the ammonium (NH4+) radical. | |
313 | ..... Utilizing phosphoric acid as reactant |
This subclass is indented under subclass 312. Processes which includes the step of reacting phosphoric acid. | |
314 | ... Metaphosphate |
This subclass is indented under subclass 305. Products or processes wherein the product contains the meta-phosphate (PO3-), (P2O62-) or (P6O186) radical. | |
315 | ... Triphosphate or tetraphosphate |
This subclass is indented under subclass 305. Products or processes wherein the product contains the triphosphate (P3O105-) or the tetraphosphate (P4O136-) radical. | |
316 | .. Ternary compound containing hydrogen |
This subclass is indented under subclass 304. Products or processes wherein the product contains phosphorus, oxygen and hydrogen, only. | |
317 | ... Orthophosphoric acid |
This subclass is indented under subclass 316. Products or processes wherein the product is orthophosphoric acid (H3PO4). | |
318 | .... Utilizing reactant containing silicon or carbon |
This subclass is indented under subclass 317. Processes which include the step of reacting silicon or carbon, or a compound thereof. | |
319 | .... Reacting an acid and phosphate rock |
This subclass is indented under subclass 317. Processes which include the step of reacting an acid with phosphate rock. | |
320 | ..... Sulfuric acid |
This subclass is indented under subclass 319. Processes in which the acid includes sulfuric acid (H2SO4). | |
321.1 | .... Purification or recovery: |
This subclass is indented under subclass 317. Process wherein the product is separated from impurities or undesired foreign matter. | |
321.2 | ..... Organic solvent extraction: |
This subclass is indented under subclass 321.1. Process wherein separation is by dissolution in an organic
liquid.
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322 | . Elemental phosphorus |
This subclass is indented under subclass 299. Products or processes wherein the product is elemental phosphorus.
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323 | .. Utilizing a phosphate as reactant |
This subclass is indented under subclass 322. Processes which include the step of reacting a material which contains a phosphate (PO43-) radical, e.g., phosphate rock, etc. | |
324 | SILICON OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products and processes wherein the product is silicon or
a compound thereof.
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325 | . Oxygen containing |
This subclass is indented under subclass 324. Products or processes wherein the product contains oxygen. | |
326 | .. Metal containing (i.e., silicate) |
This subclass is indented under subclass 325. Products or processes wherein the product also contains at least one metal. | |
327.1 | ... Aluminum containing: |
This subclass is indented under subclass 326. Products or processes in which the metal is aluminum. | |
327.2 | .... Mullite: |
This subclass is indented under subclass 327.1. Products and processes in which the product is mullite (i.e., 3Al2O3 2SiO2). | |
328.1 | .... Aluminosilicate: |
This subclass is indented under subclass 327.1. Product or processes in which the product is an aluminum
silicate in combination with a metal oxide.
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| |||
328.2 | ..... Crystalline: |
This subclass is indented under subclass 328.1. Products and processes in which the products have geometrically
arranged plane faces or surfaces and a symmetrical internal structure
(e.g., pillared or phyllosilicates).
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
328.3 | ...... Mica: |
This subclass is indented under subclass 328.2. Products and processes in which the geometrical arrangement has a lamina structure which can be split into thin sheets (e.g., biovite, muscovite, phlogopite, zinnwaldite). | |
329.1 | ..... X-ray diffraction pattern: |
This subclass is indented under subclass 328.1. Products wherein the aluminosilicate structure is identified
by a diffraction grating produced by an X-ray passing through
it.
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330.1 | ..... Gelling or precipitation: |
This subclass is indented under subclass 328.1. Processes which include either forming a gel or causing a substance to come out of solution. | |
331 | ... Alkaline earth metal containing (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 326. Products or processes in which the product contains magnesium, calcium, strontium or barium (i.e., the alkaline earth metals). | |
332 | ... Alkali metal containing (Li, Na, K, Rb, or Cs) |
This subclass is indented under subclass 326. Products or processes in which the product contains lithium, sodium, potassium, rubidium or cesium (i.e. an alkali metal). | |
333 | .... By precipitating or gelling from silicate solution |
This subclass is indented under subclass 332. Processes which include the step of causing a substance to become insoluble and come out of solution or to become a jelly like mass in a solution, the solution being that of the silicate of an alkali metal. | |
334 | .... By heat treating silica and the alkali metal |
This subclass is indented under subclass 332. Processes which include the step of reacting the alkali metal with silica (silicon dioxide) while heating. | |
335 | .. Silica |
This subclass is indented under subclass 325. Products or processes in which the product is silicon dioxide (Si O2). | |
336 | ... By hydrolyzing vapor phase silicon compound |
This subclass is indented under subclass 335. Processes which include the step of hydrolyzing a silicon compound while in the vapor phase. | |
337 | ... By oxidizing volatile silicon compound (e.g., combustion, etc.) |
This subclass is indented under subclass 335. Processes which include the step of causing (1) a volatile
silicon compound to unite with oxygen or (2) an increase of electronegative
elements or radicals in a volatile silicon compound.
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338 | ... By gelling |
This subclass is indented under subclass 335. Processes which include the step of gellation or forming a jelly like mass. | |
339 | ... By precipitating |
This subclass is indented under subclass 335. Processes which include the step of causing a substance to come out of solution or become insolubilized. | |
340 | ... By purifying sand |
This subclass is indented under subclass 335. Processes which include the step of purifying silicon dioxide. | |
341 | . Halogen containing |
This subclass is indented under subclass 324. Products or processes wherein the product contains a halogen. | |
342 | .. Halogenated silane |
This subclass is indented under subclass 341. Products or processes in which the product is similar to
a halogenated hydrocarbon in which a tetravalent silicon replaces
the carbon atom; (silane is SiH4, trichlorosilane
is SiHCl3).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
343 | .. Volatizing a solid |
This subclass is indented under subclass 341. Processes which include the step of causing a normally solid substance to pass into a gas or a vapor; see Glossary. | |
344 | . Binary compound (e.g., silicide, etc.) |
This subclass is indented under subclass 324. Products or processes wherein the product is a compound
containing silicon and only one additional element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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345 | .. Of carbon (i.e., silicon carbide) |
This subclass is indented under subclass 344. Products or processes wherein the additional element is carbon. | |
346 | ... By reacting vapor phase silicon compound with carbon or carbon containing compound |
This subclass is indented under subclass 345. Processes which include the step of reacting carbon or a carbon containing compound with a silicon containing compound that is in the vapor phase. | |
347 | .. Of hydrogen (e.g., silane, etc.) |
This subclass is indented under subclass 344. Products or processes in which the additional element is
hydrogen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
348 | . Elemental silicon |
This subclass is indented under subclass 324. Products or processes wherein the product is elemental silicon.
SEE OR SEARCH CLASS:
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349 | .. From silicon containing compound |
This subclass is indented under subclass 348. Processes wherein the starting materials include a silicon containing compound. | |
350 | ... Utilizing reducing substance |
This subclass is indented under subclass 349. Processes which include the use of a reducing element, compound
or composition to release the silicon from the compound.
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351 | NITROGEN OR COMPOUND THEREOF (EXCEPT AMMONIUM SALT OF NON-NITROGEN ACID) |
This subclass is indented under the class definition. Products or processes in which the product is nitrogen or
a compound thereof, limited as follows: where the compound is an
ammonium (NH4+) salt, the anion must
contain a nitrogen atom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
352 | . Ammonia or ammonium hydroxide |
This subclass is indented under subclass 351. Products or processes wherein the product is ammonia (NH3), or ammonium hydroxide (NH4OH). | |
353 | .. From nitride of metal or silicon |
This subclass is indented under subclass 352. Processes in which the product is made from the nitride
of a metal or of silicon.
| |||
354 | .. And producing inorganic carbon and nitrogen containing compound |
This subclass is indented under subclass 352. Processes in which an inorganic compound containing carbon
and nitrogen is also made.
| |||||
355 | .. By hydrolyzing inorganic carbon and nitrogen containing compound |
This subclass is indented under subclass 352. Processes which include the step of hydrolyzing an inorganic
compound containing carbon and nitrogen.
| |||||
356 | .. From ammonium compound |
This subclass is indented under subclass 352. Processes in which the product is made from a compound containing
the ammonium (NH4+) radical.
| |||||
357 | ... Utilizing calcium compound |
This subclass is indented under subclass 356. Processes in which a compound containing the element calcium (Ca-+) is used. | |
358 | .. From organic material containing nitrogen |
This subclass is indented under subclass 352. Processes in which the product is made from a substance
which contains nitrogen and is of organic structure.
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| |||||||||
359 | .. From elemental hydrogen and nitrogen |
This subclass is indented under subclass 352. Processes in which the product is made from elemental hydrogen and nitrogen. | |
360 | ... With exchanging heat between catalyst and synthesis or effluent gas |
This subclass is indented under subclass 359. Processes including the step of exchanging heat values between a catalyst used in the process and the mixture of gases either prior to, or subsequent to, the reaction. | |
361 | ... Utilizing plurality of catalyst beds or portions |
This subclass is indented under subclass 359. Processes which include the use of more than a single catalyst bed, or in which different portions of a single catalyst bed are subjected to different processing conditions, e.g., temperature, pressure, composition of reactant mixture, etc. | |
362 | ... Utilizing metal containing catalyst |
This subclass is indented under subclass 359. Processes in which a catalyst comprising a metal is utilized. | |
363 | .... Alkali or alkaline earth metal |
This subclass is indented under subclass 362. Processes in which the metal is lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium or barium. | |
364 | . Carbon containing |
This subclass is indented under subclass 351. Products or processes in which the product also comprises carbon. | |
365 | .. And oxygen containing (e.g., fulminate, cyanate, etc.) |
This subclass is indented under subclass 364. Products or processes in which the product also contains oxygen. | |
366 | .. And sulfur containing (e.g., thiocyanate, etc.) |
This subclass is indented under subclass 364. Products or processes wherein the product also contains sulfur. | |
367 | .. And iron containing (e.g., ferrocyanide, etc.) |
This subclass is indented under subclass 364. Products or processes wherein the product also contains iron. | |
368 | .. Cyanamide radical containing |
This subclass is indented under subclass 364. Products or processes in which the carbon is combined with
nitrogen as the cyanamide radical (CN2-1).
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369 | ... And hydrogen containing |
This subclass is indented under subclass 368. Products or processes wherein the compound contains hydrogen
and is usually named cyanamide, but may also be called cyanogenamide
or carbodiimide, and has the formula HN:CNH (H2CH2)
or N:CNH2 (H2NCH).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
370 | ... Utilizing carbide as reactant |
This subclass is indented under subclass 368. Processes which include the step of using a carbide as a reactant. | |
371 | .. Ternary compound |
This subclass is indented under subclass 364. Products or processes in which the product consists of only
one element in addition to the carbon and nitrogen.
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372 | ... Hydrogen cyanide |
This subclass is indented under subclass 371. Products or processes in which the product is hydrogen cyanide (HCN), which may also be designated as hydrocyanic acid, prussic acid, or formonitrile. | |
373 | .... Employing formamide or formate as reactant |
This subclass is indented under subclass 372. Processes including the use of formamide (HCONH2)
or of a compound containing the formamide (HCONH-)
radical or of a compound containing the formate (HCOO-)
radical.
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374 | .... Utilizing nitric oxide or free nitrogen as reactant |
This subclass is indented under subclass 372. Processes which include the use of free nitrogen or nitric
oxide in a reaction.
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375 | .... Employing ammonia as reactant |
This subclass is indented under subclass 372. Processes including the use of ammonia in a reaction. | |
376 | ..... And using catalyst |
This subclass is indented under subclass 375. Processes wherein a catalyst is used. | |
377 | .... Utilizing metal cyanide as reactant |
This subclass is indented under subclass 372. Processes including the use of a cyanide of a metal in a
reaction.
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378 | ... Using cyanamide as reactant |
This subclass is indented under subclass 371. Processes which include the use of cyanamide or a cyanamide salt in a reaction. | |
379 | ... Utilizing hydrogen cyanide as reactant |
This subclass is indented under subclass 371. Processes which include the use of hydrogen cyanide (HCH) in a reaction. | |
380 | ... Utilizing free nitrogen as reactant |
This subclass is indented under subclass 371. Processes including the use of elemental or free nitrogen
in a reaction.
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| |||||
381 | .... And using catalyst |
This subclass is indented under subclass 380. Processes which include the use of a catalyst. | |
382 | .... Utilizing carbon reactant from specified source |
This subclass is indented under subclass 380. Processes which also include the use of carbon in a reaction
and which is further disclosed as originationg from a particular
source, e.g., charcoal, a carbide, oil, etc.
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383 | .. Halogen containing |
This subclass is indented under subclass 364. Products or processes in which the product also contains
a halogen.
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| |||
384 | .. Binary (e.g., cyanogen, etc.) |
This subclass is indented under subclass 364. Processes in which only nitrogen and carbon form the product, e.g., cyanogen (C2N2). | |
385 | . Oxygen containing |
This subclass is indented under subclass 351. Products or processes in which the product also contains oxygen. | |
386 | .. Halogen containing |
This subclass is indented under subclass 385. Products or processes wherein the product also contains a halogen. | |
387 | .. Hydrogen containing |
This subclass is indented under subclass 585. Products or processes wherein the product also contains hydrogen. | |
388 | ... Sulfur containing |
This subclass is indented under subclass 387. Products or processes in which the product also contains sulfur. | |
389 | .... Sulfamic acid |
This subclass is indented under subclass 388. Products or processes wherein the product is sulfamic acid or aminosulfonic acid, having one of the following formulas: HSO-3HN2, NH2SO3H or H2NSO3H. | |
390.1 | ... Nitric acid: |
This subclass is indented under subclass 387. Products and processes in which the product is nitric acid;
i.e., HNO3.
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| |||
391 | .... By reacting a salt and an acid |
This subclass is indented under subclass 390.1. Processes which include the step of contacting a salt and an acid for a reaction. | |
392 | .... Utilizing ammonia as reactant |
This subclass is indented under subclass 390.1. Processes which include the use of ammonia in a reaction. | |
393 | .... Utilizing nitrogen oxide as reactant |
This subclass is indented under subclass 390.1. Processes in which an oxide of nitrogen is used as a reactant.
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| |||||
394 | ..... Nitrogen peroxide |
This subclass is indented under subclass 393. Processes in which the nitrogen oxide is nitrogen peroxide, (NO2or N2 O4). | |
394.2 | .... Purification or recovery: |
This subclass is indented under subclass 390.1. Processes wherein the nitric acid is separated from impurities or undesired foreign matter. | |
395 | .. Nitrate |
This subclass is indented under subclass 385. Products or processes wherein the product contains the nitrate
radical (NO3-).
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396 | ... Ammonium containing |
This subclass is indented under subclass 395. Products or processes wherein the product contains the ammonium (NH4+) radical. | |
397 | ... Utilizing ammonium or metal nitrate as reactant |
This subclass is indented under subclass 395. Processes which include the use of a nitrate compound containing a metal or the ammonium (NH4+) ion as a reactant. | |
398 | ... Utilizing halogen containing reactant |
This subclass is indented under subclass 395. Processes in which a compound containing a halogen is used as a reactant. | |
399 | .... And nitric acid reactant |
This subclass is indented under subclass 398. Processes which also include the use of nitric acid (HNO3) as as a reactant. | |
400 | .. Binary compound (oxide of nitrogen) |
This subclass is indented under subclass 385. Products or processes wherein the product contains only
nitrogen and oxygen.
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401 | ... Utilizing nitrosyl chloride as reactant |
This subclass is indented under subclass 400. Processes which include the use of nitrosyl chloride (NOC1) as a reactant. | |
402 | ... Utilizing catalyst |
This subclass is indented under subclass 400. Processes in which a catalyst is used. | |
403 | .... And ammonia as reactant |
This subclass is indented under subclass 402. Processes which include the use of ammonia as a reactant. | |
404 | ..... Catalyst is metal oxide |
This subclass is indented under subclass 403. Processes wherein the catalyst contains the oxide of a metal. | |
405 | ... Nitric oxide (NO) |
This subclass is indented under subclass 400. Processes wherein the product is nitric oxide (NO). | |
406 | . Binary compound |
This subclass is indented under subclass 351. Products or processes wherein the product includes nitrogen
and only one additional element.
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407 | .. Hydrazine or hydrazine hydrate |
This subclass is indented under subclass 406. Products or processes in which the product is hydrazine
(H2NNH2) or hydrazine
hydrate (H2NNH2.H2O).
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408 | ... Utilizing halogen or sulfur as reactant |
This subclass is indented under subclass 407. Processes which include the use of a reactant containing sulfur or a halogen. | |
409 | .. Metal or ammonium containing |
This subclass is indented under subclass 406. Products or processes in which the additional element is
either a metal or the ammonium (NH4+)
radical.
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410 | ... Azide |
This subclass is indented under subclass 409. Products or processes wherein the product includes the azide radical (-N3), with the metal or ammonium. | |
411 | ... Titanium or zirconium containing |
This subclass is indented under subclass 409. Products or processes wherein the metal is titanium or zirconium. | |
412 | ... Aluminum containing |
This subclass is indented under subclass 409. Products or processes wherein the metal is aluminum. | |
413 | . Hydrogen containing (e.g., amide, imide, etc.) |
This subclass is indented under subclass 351. Products or processes in which the product contains hydrogen.
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414 | CARBON OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes in which the product is carbon or
a compound thereof.
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415.1 | . Oxygen containing: |
This subclass is indented under subclass 414. Products or processes in which the product also contains oxygen. | |
415.2 | .. Percarbonate compound: |
This subclass is indented under subclass 415.1. Products or processes wherein the compound has a percarbonate
grouping; i.e., a (CO42-) radical.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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416 | .. Carbonyl |
This subclass is indented under subclass 415.1. Products or processes wherein the product contains the carbonyl
group (CO) such as in iron penta carbonyl, Fe (CO)5,
or carbonyl sulfide, COS.
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417 | ... Metal containing |
This subclass is indented under subclass 416. Products or processes wherein the product contains a metal in addition to the carbonyl group. | |
418 | .... Utilizing organic compound as reactant |
This subclass is indented under subclass 417. Processes wherein at least one reactant is an organic chemical
compound.
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418.2 | .. Carbon monoxide: |
This subclass is indented under subclass 415.1. Products or processes wherein the product is carbon monoxide; i.e., CO. | |
419.1 | .. Carbonate or bicarbonate: |
This subclass is indented under subclass 415.1. Products or processes wherein the product contains a carbonate
(CO32-) or bicarbonate (HCO3-)
radical.
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420 | ... Ammonium containing |
This subclass is indented under subclass 419.1. Products or processes wherein the carbonate contains the
ammonium (NH4+)
radical.
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| |||
420.2 | ... Plural metal containing: |
This subclass is indented under subclass 419.1. Products or processes wherein the carbonate product contains
more than a single metal.
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421 | ... Alkali metal containing (Li, Na, K, Rb, or Cs) |
This subclass is indented under subclass 419.1. Products or processes wherein the carbonate contains an
alkali metal (lithium, sodium, potassium, rubidium or cesium).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
422 | .... Hydrogen containing (bicarbonate) |
This subclass is indented under subclass 421. Products or processes in which the radical contains hydrogen and is the bicarbonate (HCO3-) radical. | |
423 | ..... By carbonating ammoniated brine |
This subclass is indented under subclass 422. Processes which include the step of carbonating a solution of ammonia and a salt. | |
424 | ..... By reacting halogen containing compound |
This subclass is indented under subclass 422. Processes which include the step of reacting a compound that contains a halogen. | |
425 | ..... Sesquicarbonate |
This subclass is indented under subclass 422. Products or processes in which the product is a sesquicarbonate, i.e., a combination of a simple normal carbonate (e.g., Na2CO3) and simple bircarbonate (e.g., NaHCO3). | |
426 | .... Densifying soda ash |
This subclass is indented under subclass 421. Processes which include the step of compacting or compressing soda ash (crude sodium carbonate). | |
427 | .... By reacting a bicarbonate |
This subclass is indented under subclass 421. Processes which include the step of reacting a bicarbonate (HCO3-). | |
428 | .... By reacting sulfur containing compound |
This subclass is indented under subclass 421. Processes which include the step of reacting a compound containing sulfur. | |
429 | .... By reacting halogen containing compound |
This subclass is indented under subclass 421. Processes which include the step of reacting a compound containing a halogen. | |
430 | ... Alkaline earth metal containing (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 419.1. Products or processes wherein the carbonate contains magnesium,
calcium, strontium or barium, i.e., the alkaline earth metals.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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431 | .... By reacting sulfur or halogen containing compound |
This subclass is indented under subclass 430. Processes which include the step of reacting a compound
that contains sulfur or a halogen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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432 | .... By reacting oxide or hydroxide of the metal |
This subclass is indented under subclass 430. Processes which include the step of reacting an oxide or
a hydroxide that contains the metal of the carbonate product.
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433 | ... Lead containing |
This subclass is indented under subclass 419.1. Products or processes wherein the carbonate contains lead. | |
434 | .... By reacting compound containing sulfur or a halogen |
This subclass is indented under subclass 433. Processes which include the step of reacting a compound that contains sulfur or a halogen. | |
435 | .... By reacting lead acetate or acetic acid |
This subclass is indented under subclass 433. Processes which include the step of reacting lead acetate or acetic acid. | |
436 | ..... And utilizing metallic lead as reactant |
This subclass is indented under subclass 435. Processes which also include the step of reacting elemental lead. | |
437.1 | .. Carbon dioxide or carbonic acid: |
This subclass is indented under subclass 415.1. Products or processes wherein the product is carbon dioxide (CO2) or a solution thereof in water. | |
438 | ... From a carbonate |
This subclass is indented under subclass 437.1. Processes in which the product is made from a compound containing the carbonate (CO32-) or the bicarbonate (HCO3-) radical. | |
437.2 | ... From carbon monoxide: |
This subclass is indented under subclass 437.1. Processes in which the product is made from carbon monoxide (CO). | |
439 | . Binary compound (e.g., carbide, etc.) |
This subclass is indented under subclass 414. Products or processes wherein the product contains carbon
and only one other element.
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440 | .. Refractory metal containing |
This subclass is indented under subclass 439. Products or processes wherein the other element is chromium, molybdenum, tungsten, vanadium, niobium, tantalum, titanium, zirconium or hafnium, known as the refactory metals. | |
441 | .. Calcium containing |
This subclass is indented under subclass 439. Products or processes wherein the other element is calcium. | |
442 | ... By reacting carbon and inorganic calcium containing compound |
This subclass is indented under subclass 441. Processes which include the step of reacting carbon with
an inorganic compound containing calcium.
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443 | .. Disulfide |
This subclass is indented under subclass 439. Products or processes wherein the binary compound is carbon disulfide. | |
444 | ... By reacting free carbon |
This subclass is indented under subclass 443. Processes which include the step of reacting elemental carbon. | |
445R | . Elemental carbon |
This subclass is indented under subclass 414. Products or processes wherein the product is free carbon
in substantially pure form.
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446 | .. Diamond |
This subclass is indented under subclass 445. Products or processes wherein the product is carbon crystallized
in the isometric form, usually in octahedral shape.
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447.1 | .. Fiber, fabric, or textile |
This subclass is indented under subclass 445. Products and processes ... wherein the product is substantially
pure carbon in the form of a slender threadlike structure (fiber)
a woven, knitted or fetted sheet material (fabric) or a woven fabric
or cloth (textile).
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447.2 | ... Product |
This subclass is indented under subclass 447.1. Products.
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447.3 | ... From gaseous reactants |
This subclass is indented under subclass 447.1. Processes wherein all the carbon forming reactant(s) are in the gaseous phase. | |
447.4 | ... Prior treatment before carbonization (except with gaseous oxygen) |
This subclass is indented under subclass 447.1. Processes wherein prior to a reaction to convert a fiber, fabric or textile article to carbon, the article is treated with a substance other than gaseous oxygen which substance either (a) chemically reacts with the article or (b) is retained in the article at least until the commencement of a reaction to convert the article to carbon. | |
447.5 | .... With metal, metal compound, or phosphorus compound |
This subclass is indented under subclass 447.4. Processes wherein the treating substance is a metal, a metal containing compound or a phosphorus containing compound. | |
447.6 | ... Including reaction with gaseous oxygen |
This subclass is indented under subclass 447.1. Processes including a step of reaction with gaseous oxygen.
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447.7 | ... In specific atmosphere (other than vacuum or air) |
This subclass is indented under subclass 447.1. Processes including a step of reaction in a specifically recited atmosphere other than vacuum or air. | |
447.8 | ... Controlling varying temperature or plural heating steps |
This subclass is indented under subclass 447.1. Processes wherein a carbonizing reaction is carried out
by (1) varying the temperature over a given time span or by (2)
heating to two or more distinct temperatures.
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447.9 | ... Carbonizing cellulosic material |
This subclass is indented under subclass 447.1. Processes wherein the material carbonized is natural cellulose or its derivatives (e.g., esters, ether, regenerated cellulose, etc.). | |
448 | .. Graphite |
This subclass is indented under subclass 445. Products or processes wherein the product is graphite, which
is the crystalline allotropic form of carbon, characterized by a
hexagonal arrangement of the atoms.
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449.1 | .. Carbon black (e.g., lampblack): |
This subclass is indented under subclass 445. Products or processes wherein the product is a finely divided
carbon particulate.
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449.2 | ... Treating carbon black: |
This subclass is indented under subclass 449.1. Processes wherein carbon black is treated to change its characteristics. | |
449.3 | .... Treating with acid, or gas which forms an acid in water: |
This subclass is indented under subclass 449.2. Processes wherein the carbon black material is treated with a compound that is an acid or with a gas that in an aqueous state would form an acid (e.g., H2S). | |
449.4 | .... Halogen or compound thereof: |
This subclass is indented under subclass 449.2. Processes wherein the acid or the gas includes a halogen group element (e.g., HCl). | |
449.5 | .... Gaseous oxygen containing compound: |
This subclass is indented under subclass 449.2. Processes wherein the treatment is with a gaseous compound including oxygen (e.g., CO). | |
449.6 | ... Utilizing synthetic polymer as reactant: |
This subclass is indented under subclass 449.1. Processes wherein a compound that is a synthetic polymer (e.g., polyanylonitrite) is reacted or decomposed to form the product. | |
449.7 | .... Tire: |
This subclass is indented under subclass 449.6. Processes wherein the polymer is obtained from tires or
parts thereof.
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449.8 | ... Solid material in feed: |
This subclass is indented under subclass 449.1. Processes which include feeding stock material that is in a solid-state, either homogeneous or heterogeneous (e.g., wood or coke). | |
450 | ... Directly from fluid hydrocarbon only |
This subclass is indented under subclass 449.1. Processes wherein the carbon is made from the direct pyrolysis,
cracking or decomposition of a compound containing only carbon and
hydrogen (i.e., hydrocarbon) which is normally in the liquid or
gaseous state.
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451 | .... Rapid and discontinuous oxidation |
This subclass is indented under subclass 450. Processes wherein the carbon is formed from the hydrocarbon by rapid and discontinuous oxidation such as in an explosive reaction. | |
452 | .... Including flame impinging on cool surface |
This subclass is indented under subclass 450. Processes wherein the carbon is deposited from a flame by causing the flame to directly contact a relatively cool surface. | |
453 | .... By contacting with catalyst or hot solid surface |
This subclass is indented under subclass 450. Processes in which the decomposition takes place on contact between the hydrocarbon and (1) catalytic material or (2) a solid surface heated to a temperature at which the pyrolysis can occur. | |
454 | ..... Hot particulate bed or reaction zone lining or refactory |
This subclass is indented under subclass 453. Processes in which the contact is with a heated solid surface
comprising particulate solids or the inner surface or firebrick
of the zone in which the decomposition takes place.
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455 | .... Specified injection velocity |
This subclass is indented under subclass 450. Processes in which the speed of entry into the reaction
zone of any feed material associated with the process is specifically
stated.
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456 | .... Specified injection angle (e.g., helical, tangential, etc.) |
This subclass is indented under subclass 450. Processes in which the angle of entry into the reaction
zone of any feed material associated with the process is specifically
stated.
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457 | ..... At least one radial inlet |
This subclass is indented under subclass 456. Processes in which at least one feed material enters the reaction zone in a direction which, if extended would intersect the longitudinal axis. | |
458 | .... Gas or vapor only as infeed to process |
This subclass is indented under subclass 450. Processes in which the hydrocarbon feed consists of a fluid
which is normally in the gas or vapor state.
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449.9 | ... Liquid feed only: |
This subclass is indented under subclass 449.1. Processes wherein initial feed stock is in a liquid state only. | |
459 | ... From carbon monoxide infeed to process |
Processes under 449.1 wherein the carbon is made from carbon monoxide. | |
460 | .. Treating carbon |
This subclass is indented under subclass 445. Processes wherein carbon in the elemental state is treated to change its characteristics. | |
461 | .. Recovery or purification |
This subclass is indented under subclass 445. Processes wherein the carbon is separated from impurities. | |
445B | .. Fullerene (e.g., C60, C70, etc.) |
This subclass has no definition. | |
462 | HALOGEN OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes in which the product is a nonmetallic
element of Group VII A of the periodic system having atomic numbers
9, 17, 35, or 53, or a compound thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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463 | . Plural metal or metal and ammonium containing |
This subclass is indented under subclass 462. Products or processes in which the product is a compound, which contains either (1) two or more diverse and distinct metal elements or (2) a metal and the ammonium (NH4+) radical. | |
464 | .. Including fluorine |
This subclass is indented under subclass 463. Products and processes in which the halogen is fluorine. | |
465 | ... Including aluminum |
This subclass is indented under subclass 464. Products or processes in which he product contains aluminum.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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466 | . Plural diverse halogens containing |
This subclass is indented under subclass 462. Products or processes wherein the products includes two or more different halogens. | |
467 | . Sulfur containing |
This subclass is indented under subclass 462. Products or processes wherein the product contains sulfur. | |
468 | .. Ternary compound containing oxygen |
This subclass is indented under subclass 467. Products or processes wherein the product is a ternary compound and contains only oxygen in addition to the sulfur and halogen. | |
469 | .. Binary compound |
This subclass is indented under subclass 467. Products or processes wherein the product is a binary compound and contains only sulfur and a halogen. | |
470 | . Ammonium halide |
This subclass is indented under subclass 462. Products or processes wherein the product consists of the
ammonium (NH4+) radical and a halogen.
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| |||
471 | .. Recovery or purification |
This subclass is indented under subclass 470. Products or processes in which the ammonium halide is obtained
by separation or purification from a mixture (usually waste material).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
472 | . Ternary compound |
This subclass is indented under subclass 462. Products or processes wherein the product is a ternary compound
and consists of two elements in addition to the halogen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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473 | .. Hypohalite or hypohalous acid |
This subclass is indented under subclass 472. Products or processes which consist of oxygen and a halogen as the (XO-) radical in combination with a third element. | |
474 | ... Calcium hypochlorite |
This subclass is indented under subclass 473. Products or processes in which the compound is calcium hypochlorite (Ca (OC1)2). | |
475 | .. Halogenate (e.g., chlorates, etc.) |
This subclass is indented under subclass 472. Products or processes which consist of oxygen and a halogen as the (XO3-) radical in combination with a third element. | |
476 | .. Perhalate or perhalic acid |
This subclass is indented under subclass 472. Products or processes which consist of oxygen and a halogen as the (XO4-) radical in combination with a third element. | |
477 | . Chlorine dioxide |
This subclass is indented under subclass 462. Products or processes wherein the compound is chlorine dioxide (C1O2). | |
478 | .. By reacting a chlorate |
This subclass is indented under subclass 477. Processes which include reacting a compound having the chlorate radical (C1O3-). | |
479 | ... And a nitrogenous or carbonaceous compound |
This subclass is indented under subclass 478. Processes wherein the chlorate is reacted with a compound containing either nitrogen or carbon. | |
480 | ... And sulfur dioxide |
This subclass is indented under subclass 478. Processes wherein the chlorate is reacted with sulfur dioxide (SO2). | |
481 | . Hydrogen halide |
This subclass is indented under subclass 462. Products or processes wherein the compound consists of hydrogen and a halogen. | |
482 | .. By reacting alkali metal salt with sulfuric acid |
This subclass is indented under subclass 481. Processes in which include reacting an alkali metal and halogen containing salt with sulfuric acid. | |
483 | .. Hydrogen fluoride |
This subclass is indented under subclass 481. Products or processes in which the halogen is fluorine. | |
484 | ... From impure starting material |
This subclass is indented under subclass 483. Processes wherein the hydrogen fluoride is formed from an initial mixture containing an impurity. | |
485 | .... Fluorspar |
This subclass is indented under subclass 484. Processes wherein the impure initial material is the mineral fluorspar (calcium fluoride, fluorite, CaF2). | |
486 | .. Utilizing an element as reactant |
This subclass is indented under subclass 481. Processes wherein at least one of the reactants which forms the hydrogen halide is in elemental form. | |
487 | ... Reacting elemental hydrogen and elemental halogen |
This subclass is indented under subclass 486. Processes wherein both the hydrogen and halogen are supported in the elemental form and are reacted with each other. | |
488 | .. Recovery or purification |
This subclass is indented under subclass 481. Processes which include the step of removing an impurity
either from the product or from the initial mixture, e.g., removing
H2O, free halogen, etc.
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| |||
489 | . Binary fluorine containing compound |
This subclass is indented under subclass 462. Products or processes wherein the compound contains fluorine
and only one other element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
490 | .. Alkali or alkaline earth metal containing |
This subclass is indented under subclass 489. Products and processes in which the other element of the
binary compound is lithium, sodium, potassium, rubidium, cesium,
magnesium, calcium, strontium or barium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
491 | . Binary compound containing metal |
This subclass is indented under subclass 462. Products or processes wherein the compound contains only
a halogen and a metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
492 | .. Refractory metal (Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, or W) |
This subclass is indented under subclass 491. Products and processes in which the metal is of Group IV B, V B, or VI B, i.e., titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum or tungsten, commonly known as the refractory metals. | |
493 | .. Iron group metal or copper (Fe, Co, Ni, or Cu) |
This subclass is indented under subclass 491. Products or processes in which the metal is iron, cobalt, nickel or copper. | |
494 | .. Group IVA metal (Ge, Sn, or Pb) |
This subclass is indented under subclass 491. Products or processes in which the metal is either germanium,
tin or lead.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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495 | .. Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) |
This subclass is indented under subclass 491. Products or processes in which the metal is aluminum, gallium,
indium, thallium or beryllium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
496 | ... Utilizing carbon or carbon containing compound |
This subclass is indented under subclass 495. Processes in which the compound is made by utilizing carbon
or a compound thereof in a reaction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
497 | .. Alkaline earth metal (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 491. Products or processes in which the metal is magnesium, calcium,
strontium or barium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
498 | ... Anhydrous magnesium chloride |
This subclass is indented under subclass 497. Products or processes wherein the compound is anhydrous magnesium chloride. | |
499.1 | .. Alkali metal: |
This subclass is indented under subclass 491. Products or processes wherein the metal is an alkali metal
(i.e., lithium, sodium, potassium, rubidium, or cesium).
SEE OR SEARCH THIS CLASS, SUBCLASS:
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499.2 | ... From carbonaceous compound: |
This subclass is indented under subclass 499.1. Products or processes wherein the alkali metal is obtained from carbon containing compound. | |
499.3 | ... Lithium chloride: |
This subclass is indented under subclass 499.1. Products and processes wherein the product is lithium chloride (i.e., LiCl). | |
499.4 | ... Sodium chloride: |
This subclass is indented under subclass 499.1. Products and processes wherein the product is sodium chloride (i.e., NaCl). | |
499.5 | .... Purification: |
This subclass is indented under subclass 499.4. Products and processes wherein purified sodium chloride is obtained. | |
500 | . Elemental halogen |
This subclass is indented under subclass 462. Products or processes wherein the product is a halogen in
elemental form.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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501 | .. Ion exchanging or liquid-liquid extracting |
This subclass is indented under subclass 500. Processes which includes the step of solvent-solvent extraction or ion exchange; see Glossary. | |
502 | .. Oxidizing catalytically |
This subclass is indented under subclass 500. Processes which include the step of oxidation in the presence of a catalyst. | |
503 | .. Sorbing |
This subclass is indented under subclass 500. Processes which include the use of a sorbent; see Glossary. | |
504 | .. From mixture containing alkali metal or alkaline earth metal |
This subclass is indented under subclass 500. Processes wherein the elemental halogen is derived from an initial mixture which contains lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium or barium. | |
505 | ... Forming insoluble substance in liquid |
This subclass is indented under subclass 504. Processes wherein a substance is formed in a liquid or slurry, which substance is insoluble therein and can be or is separated from the liquid and the other materials which remain soluble in the liquid; or wherein the composition of the liquid is changed so that one part of the mixture becomes insoluble therein. | |
506 | .. By reacting alkali metal halide with sulfur compound |
This subclass is indented under subclass 500. Processes which include the step of reacting a compound of sulfur with the halide of lithium, sodium, potassium, cesium or rubidium. | |
507 | .. By reacting hydrogen halide or ammonium halide |
This subclass is indented under subclass 500. Processes in which a hydrogen halide or an ammonium halide
is utilized as a reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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508 | SELENIUM OR TELLURIUM OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products and processes wherein the product is either selenium
or tellurium, or a compound thereof.
SEE OR SEARCH CLASS:
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509 | . Binary compound |
This subclass is indented under subclass 508. Products and processes wherein the product is a binary compound which contains only one element in addition to the selenium or tellurium. | |
510 | . Elemental selenium or tellurium |
This subclass is indented under subclass 508. Products and processes wherein the product is elemental selenium or tellurium. | |
511 | SULFUR OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes wherein the product is sulfur or a
compound thereof.
SEE OR SEARCH CLASS:
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512.1 | . Oxygen containing: |
This subclass is indented under subclass 511. Products or processes wherein the product also contains oxygen. | |
513 | .. Persulfate |
This subclass is indented under subclass 512.1. Products or processes wherein the product contains the peroxymonsulfate
(SO52-) or the peroxydisulfate
(S2O82-)
radical.
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514 | .. Thiosulfate |
This subclass is indented under subclass 512.1. Products or processes wherein the compound contains the thiosulfate radical (S2O32-). | |
515 | .. Dithionite |
This subclass is indented under subclass 512.1. Products or processes wherein the product is a dithionite
having the radical (S2O42-).
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516 | ... Employing amalgam as reactant |
This subclass is indented under subclass 515. Processes wherein an alloy of mercury is employed as a reactant in the process of forming a dithionite. | |
517 | .. Metal and ammonium containing |
This subclass is indented under subclass 512.1. Products or processes wherein the compound also contains
both a metal and the ammonium (NH4+)
radical in addition to sulfur and oxygen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
518 | .. Plural metal containing |
This subclass is indented under subclass 512.1. Products or processes , wherein the compound contains two
or more different metals in addition to sulfur and oxygen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
519 | .. Bisulfite |
This subclass is indented under subclass 512.1. Products or processes wherein the compound contains the bisulfite or acid sulfite radical (HSO3-). | |
519.2 | .. Sulfite: |
This subclass is indented under subclass 512.1. Products and processes wherein the compound is a sulfite; i.e., includes a (SO32-) radical. | |
520 | ... Bisulfate |
This subclass is indented under subclass 512.1. Products or processes wherein the compound contains the bisulfate or acid sulfate radical (SO42-). | |
521 | .. Ternary compound containing hydrogen |
This subclass is indented under subclass 512.1. Products or processes in which the compound is ternary and consists of sulfur, oxygen and hydrogen only. | |
522 | ... Sulfuric acid |
This subclass is indented under subclass 521. Products or processes in which the ternary compound is sulfuric
acid (H2SO4).
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523 | .... Nitrogenous impurity or utilizing nitrogenous catalyst or reactant |
This subclass is indented under subclass 522. Processes in which during the manufacture of the sulfuric acid a compound of nitrogen is used as a catalyst or as a reactant, or is present as an impurity which requires removal. | |
524 | ..... Lead chamber process |
This subclass is indented under subclass 523. Processes wherein sulfuric acid is produced from sulfur
dioxide oxygen (air) and water or steam by means of nitrogen oxides
(catalysts or reactants) in leaden chambers.
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525 | .... Starting material includes organic or carbonaceous impurity |
This subclass is indented under subclass 522. Processes wherein at least one of the starting materials
is a mixture having an organic or carbonaceous impurity therein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
526 | ..... Utilizing pressure or vacuum on mixture |
This subclass is indented under subclass 525. Processes wherein the pressure on the mixture of acid and
impurities is caused to be increased to greater than atmospheric
or is caused to be decreased below atmospheric.
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527 | ..... Adding organic compound to mixture |
This subclass is indented under subclass 525. Processes wherein an organic compound is added to the impure
mixture.
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528 | ..... Contacting mixture with gas, steam, or vapor |
This subclass is indented under subclass 525. Processes including the step of bringing the mixture into
contact with an external source of gas or steam.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
529 | .... Subjecting reactants to pressure, vacuum, or steam |
This subclass is indented under subclass 522. Processes wherein the pressure on the reactants or sulfuric
acid is caused to be increased to above atmospheric or to be decreased
to below atmospheric, or water vapor from an external source is
caused to contact the reactants or acid.
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530 | .... Utilizing metal sulfate |
This subclass is indented under subclass 522. Processes wherein one of the reactants or impurities is a compound of metal and the sulfate radical (SO42-). | |
531 | .... Purifying acid or reactant |
This subclass is indented under subclass 522. Processes which include the removal or separation of impurities
present in the reactants or in the acid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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532 | .. Sulfur trioxide |
This subclass is indented under subclass 512.1. Products or processes wherein the compound is sulfur trioxide (SO3). | |
533 | ... Utilizing catalyst in reaction |
This subclass is indented under subclass 532. Processes wherein a catalyst is employed in a reaction.
SEE OR SEARCH CLASS:
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534 | .... Promoter or successive diverse catalysts |
This subclass is indented under subclass 533. Processes wherein a second different and distinct catalyst is employed in series with the first catalyst, or wherein a substance which increases the efficiency of the catalyst is utilized. | |
535 | .... Catalyst contains oxygen, vanadium, and another metal |
This subclass is indented under subclass 535. Processes wherein the catalyst or its support includes oxygen, vanadium, and another metal. | |
536 | .... Platinum catalyst |
This subclass is indented under subclass 533. Processes wherein the catalyst is, or contains, platinum.
SEE OR SEARCH CLASS:
| |||
537 | ..... With sulfate or asbestos carrier |
This subclass is indented under subclass 536. Processes wherein the platinum catalyst is spread on or
is supported by a sulfate (SO42-) or
asbestos substance.
SEE OR SEARCH CLASS:
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538 | .... Oxygen containing catalyst |
This subclass is indented under subclass 533. Processes wherein the catalyst contains oxygen, usually
as the oxide of a metal.
SEE OR SEARCH CLASS:
| |||
539 | .. Sulfur dioxide |
This subclass is indented under subclass 512.1. Products or processes in which the compound is sulfur dioxide (SO2). | |
540 | ... From acid sludge or waste |
This subclass is indented under subclass 539. Processes which include as the initial feedstock sludge
or other waste material resulting from the acid treatment of a substance.
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541.1 | ... Utilizing metal sulfate as reactant: |
This subclass is indented under subclass 539. Processes which include the step of using sulfate of metal as a reactant. | |
541.4 | .... Ammonium sulfate: |
This subclass is indented under subclass 541.1. Processes which include the step of using sulfate of ammonium as a reactant. | |
542 | ... Burning or roasting a sulfur compound |
This subclass is indented under subclass 539. Processes including the step of causing a compound of sulfur to be combusted with a flame or to be heated at high temperature or to be oxidized by heat in a current of air. | |
543 | ... Burning sulfur |
This subclass is indented under subclass 539. Processes including the step of causing the element sulfur to be combusted with a flame. | |
544 | .. Sulfate |
This subclass is indented under subclass 512.1. Products or processes wherein the compound contains the
sulfate radical (SO42-).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
545 | ... Ammonium containing |
This subclass is indented under subclass 544. Products or processes wherein the compound contains the
ammonium ion (NH4+).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
546 | .... Utilizing thiocyanate as reactant |
This subclass is indented under subclass 545. Processes wherein a compound containing the thiocyanate(CNS-) radical is reacted or decomposed to form the product. | |
547 | .... Employing sulfite or bisulfite as reactant |
This subclass is indented under subclass 545. Processes wherein a sulfite (SO32-) or a bisulfite (HSO-) is one of the reactants employed to form the compound. | |
548 | .... Using metal sulfate as reactant |
This subclass is indented under subclass 545. Processes wherein a metal sulfate (SO42-) is one of the reactants employed. | |
549 | .... Employing sulfuric acid as reactant |
This subclass is indented under subclass 545. Processes wherein sulfuric acid (H2SO4) is one of the reactants. | |
550 | ..... Ammonia from waste gas |
This subclass is indented under subclass 549. Processes wherein sulfuric acid is contacted with waste gases containing ammonia to form ammonium sulfate. | |
551 | ... Alkali metal containing (Li, Na, K, Rb, or Cs) |
This subclass is indented under subclass 544. Products or processes wherein the compound contains lithium, sodium, potassium, rubidium or cesium. | |
552 | .... Utilizing chloride as reactant |
This subclass is indented under subclass 551. Processes which include the step of reacting a choride. | |
553 | .... Dehydrating |
This subclass is indented under subclass 551. Processes wherein at least some of the water is removed from a hydrated compound containing the alkali metal and the sulfate (SO42-) radical. | |
554 | ... Alkaline earth metal containing (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 544. Products or processes wherein the compound contains magnesium, calcium, strontium or barium. | |
555 | .... Calcium |
This subclass is indented under subclass 554. Products or processes in which the metal is calcium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
556 | ... Aluminum containing |
This subclass is indented under subclass 544. Products or processes wherein the compound contains aluminum.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
557 | ... Copper containing |
This subclass is indented under subclass 544. Products or processes in which the compound contains copper. | |
558 | ... Iron containing |
This subclass is indented under subclass 544. Products or processes wherein the compound contains iron. | |
559 | ... Lead containing |
This subclass is indented under subclass 544. Products or processes wherein the compound contains lead.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
560 | . Ternary compound containing hydrogen and metal (e.g., hydrosulfide, etc.) |
This subclass is indented under subclass 511. Products or processes wherein the compound consists of sulfur,
hydrogen, and metal.
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561.1 | . Binary compound: |
This subclass is indented under subclass 511. Products or processes in which the compound consists of sulfur and only one additional element. | |
562 | .. Polysulfide |
This subclass is indented under subclass 561.1. Products or processes wherein the compound includes associated
sulfur in addition to the amount normally present in a sulfide.
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563 | .. Hydrogen sulfide |
This subclass is indented under subclass 561.1. Products or processes in which the binary compound is hydrogen sulfide (H2S). | |
564 | ... By catalytic reaction |
This subclass is indented under subclass 563. Processes including the step of employing a catalyst during
a reaction in which the product is formed.
SEE OR SEARCH CLASS:
| |||
565 | .. Utilizing free sulfur as reactant |
This subclass is indented under subclass 561.1. Processes including the step of reacting elemental sulfur in making the product. | |
566 | .. Utilizing sulfate or sulfuric acid as reactant |
This subclass is indented under subclass 561.1. Processes including the step of using a compound having the SO42- radical as a reactant. | |
566.1 | .. Sulfide of Cd, Zn or Hg: |
This subclass is indented under subclass 561.1. Product or process in which the compound is a sulfide of zinc, cadmium or mercury. | |
566.2 | .. Sulfide of alkali metal: |
This subclass is indented under subclass 561.1. Product or process in which the compound is a sulfide of an alkali metal. | |
566.3 | .. Sulfide of alkaline earth metal: |
This subclass is indented under subclass 561.1. Product or process in which the compound is a sulfide of an alkaline earth metal. | |
567.1 | . Elemental sulfur: |
This subclass is indented under subclass 511. Products and processes wherein the product is sulfur in elemental form. | |
568 | .. Chlorinating |
This subclass is indented under subclass 567.1. Processes which include the step of forming a compound that contains chlorine. | |
569 | .. Reducing sulfur dioxide by carbon containing material |
This subclass is indented under subclass 567.1. Processes which include the step of reducing the valence of the sulfur in sulfur dioxide from +4 with a material containing carbon to form the elemental sulfur having a valence of zero. | |
570 | ... Catalytic reaction |
This subclass is indented under subclass 569. Processes which include the step of employing a catalyst in the reduction reaction. | |
571 | .. Reacting a sulfide |
This subclass is indented under subclass 567.1. Processes which include the step of using as a reactant
a compound having the sulfide (S2-) ion.
| |||
572 | ... With steam to form hydrogen sulfide |
This subclass is indented under subclass 571. Processes which include the step of reacting water in its vapor or gaseous state with the sulfide to form the compound hydrogen sulfide (H2S) as an intermediary in the production of sulfur. | |
573.1 | ... Hydrogen sulfide: |
This subclass is indented under subclass 571. Subject matter in which the sulfide reacted is hydrogen
sulfide.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
574.1 | .... With sulfur dioxide: |
This subclass is indented under subclass 573.1. Processes including a step of reacting the hydrogen sulfide with sulfur dioxide. | |
574.2 | ..... In inorganic liquid: |
This subclass is indented under subclass 574.1. Processes where the reacting step takes place in liquid media without an organic carbon compound as a principle constituent; e.g., in water. | |
575 | ..... Utilizing organic solvent or absorbent |
This subclass is indented under subclass 574.1. Processes including the step of utilizing an organic compound
as a solvent or abosorbent.
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576 | ..... Utilizing promotor containing silica or aluminum |
This subclass is indented under subclass 574.1. Processes which are carried out in the presence of a catalyst, its carrier or a promoter thereof, which contains aluminum or silica. | |
576.2 | .... With specified procedure for sulfur recovery or specified conditions for producing sulfur in more recoverable form: |
This subclass is indented under subclass 573.1. Subject matter which includes a step for recovering elemental
sulfur beyond merely "removing" or "recovering" the
sulfur or in which conditions other than mere temperature regulation
are specified for obtaining elemental sulfur in more recoverable
form, for example, by employing an additive to assure sulfur in
crystalline form.
SEE OR SEARCH CLASS:
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576.4 | .... By reacting gaseous feed stream with liquid aqueous mixture: |
This subclass is indented under subclass 573.1. Subject matter in which a hydrogen sulfide-containing feed
gas is contacted with a liquid which contains a significant amount
of water, elemental sulfur being formed in such mixture.
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576.5 | ..... Transition metal-containing mixture: |
This subclass is indented under subclass 576.4. Subject matter in which the water-containing mixture also
contains a metal, in free or combined form, belonging to the transition
group of metals.
| |||
576.6 | ...... Chelated or sequestered transition metal: |
This subclass is indented under subclass 576.5. Subject matter in which the transition metal is dissolved in the form of a complex which retards precipitation of that metal from solution. | |
576.7 | ..... Organic compound-containing: |
This subclass is indented under subclass 576.5. Subject matter in which the water-containing mixture also contains an organic compound. | |
576.8 | .... By reacting gaseous feed with gas containing free oxygen: |
This subclass is indented under subclass 573.1. Subject matter in which a hydrogen sulfide-containing feed gas is directly contacted and mixed with a gas containing oxygen in uncombined form, elemental sulfur being thereby formed, including a process wherein such gases simultaneously contact a solid catalyst. | |
577 | ... Reacting metal sulfide with sulfur dioxide |
This subclass is indented under subclass 571. Processes in which the sulfide is that of a metal and is reacted with sulfur dioxde (SO2). | |
578.1 | .. Purifying crude sulfur: |
This subclass is indented under subclass 567.1. Products or processes including recovering or separating sulfur from impurities mixed therewith. | |
578.2 | ... From ore: |
This subclass is indented under subclass 578.1. Products or processes wherein the crude sulfur is obtained from a natural mineral found mixed with earthy matter. | |
578.4 | .. From liquid or solid compound: |
This subclass is indented under subclass 567.1. Processes in which the sulfur is obtained from a compound that is in a liquid or solid-state. | |
579 | OXYGEN OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes wherein the product is oxygen or a
compound thereof.
SEE OR SEARCH CLASS:
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580.1 | . Water: |
This subclass is indented under subclass 579. Products and processes wherein the compound is water (H2O). | |
580.2 | .. Heavy water: |
This subclass is indented under subclass 580.1. Products and processes wherein the water is in its heavy
form; e.g., D2O where D is a deuterium isotopic
hydrogen mass=2 or H218O where 18O
is an oxygen mass=18.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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581 | . Superoxide or ozone |
This subclass is indented under subclass 579. Products or processes wherein the compound is a superoxide containing the (O2-) radical, or is ozone (O3). | |
582 | . Peroxide |
This subclass is indented under subclass 579. Products or processes in which the compound is a peroxide containing the (O22-) radical. | |
583 | .. Alkaline earth metal (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 582. Products or processes wherein the peroxide contains a metal of the alkaline earth group (magnesium, calcuim, strontium or barium). | |
584 | .. Hydrogen |
This subclass is indented under subclass 582. Products or processes wherein the compound is hydrogen peroxide
(H2O2).
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
585 | ... From persulfuric acid or persulfate |
This subclass is indented under subclass 584. Processes wherein the preparation of hydrogen peroxide includes
the use of permonosulfuric acid (H2SO5)
or perdisulfuric acid (H2S2O8)
or the corresponding sulfate salts.
SEE OR SEARCH CLASS:
| |||||||
586 | ... From inorganic peroxide |
This subclass is indented under subclass 584. Processes wherein the preparation of hydrogen peroxide includes the use of an inorganic peroxide compound (e.g., Na2O2, BaO2, etc). | |
587 | ... From organic reactant |
This subclass is indented under subclass 584. Processes wherein the preparation of hydrogen peroxide includes the use of an organic compound as reactant. | |
588 | .... By oxidizing hydroquinone or anthraquinone |
This subclass is indented under subclass 587. Processes wherein the preparation of hydrogen peroxide includes
the step of oxidizing a reactant comprising a hydroquinone or an anthraquinone,
or substituted forms thereof.
SEE OR SEARCH CLASS:
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589 | ..... Including dissolving reactant in ester containing solvent |
This subclass is indented under subclass 588. Processes in which a reactant is dissolved in a solvent comprising an ester. | |
590 | ..... Including dissolving reactant in alcohol containing solvent |
This subclass is indented under subclass 588. Processes in which a reactant is dissolved in a solvent comprising alcohol. | |
591 | .... By oxidizing alcohol or hydrocarbon |
This subclass is indented under subclass 587. Processes in which the preparation of hydrogen peroxide includes the step of oxidizing an alcohol or a hydrocarbon. | |
592.1 | . Metal containing: |
This subclass is indented under subclass 579. Subject matter for products or processes wherein the
product is a compound which contains oxygen and metal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
593.1 | .. Plural metals or metal and ammonium containing: |
This subclass is indented under subclass 592.1. Subject matter for products or processes wherein the compound contains two or more metals or has a metal and the ammonium (NH4+) radical. | |
594.1 | ... Iron (Fe) containing: |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein the compound contains iron. | |
594.2 | .... And alkali metal or alkaline earth metal containing: |
This subclass is indented under subclass 594.1. Subject matter for products or processes wherein the compound contains iron and an alkali (Li, Na, K, Rb, or Cs) or alkaline earth metal (Mg, Ca, Sr, or Ba). | |
594.3 | ... Nickel (Ni) containing: |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein the compound contains nickel. | |
594.4 | .... And alkali metal or alkaline earth metal containing: |
This subclass is indented under subclass 594.3. Subject matter for products or processes wherein the compound contains nickel and an alkali (Li, Na, K, Rb, or Cs) or alkaline earth metal (Mg, Ca, Sr, or Ba). | |
594.5 | ... Cobalt (Co) containing: |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein the compound contains cobalt. | |
594.6 | .... And alkali metal or alkaline earth metal containing: |
This subclass is indented under subclass 594.5. Subject matter for products or processes wherein the compound contains nickel and an alkali (Li, Na, K, Rb, or Cs) or alkaline earth metal (Mg, Ca, Sr, or Ba). | |
595 | ... Chromium (e.g., chromate, etc.) |
This subclass is indented under subclass 593.1. Products or processes which comprises chromium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
596 | .... And alkali metal, alkaline earth metal, or ammonium containing |
This subclass is indented under subclass 595. Products or processes wherein the compound also contains the ammonium (NH4+) radical or a metal of the alkali or a metal of the alkali or the alkaline earth groups. | |
597 | ..... Dichromate |
This subclass is indented under subclass 596. Products or processes wherein the compound is in the form of a dichromate (Cr2O72-). | |
598 | ... Titanium (e.g., titanate, etc.) |
This subclass is indented under subclass 593.1. Products or processes wherein the compound contains titanium. | |
599 | ... Manganese (e.g., manganate, etc.) |
This subclass is indented under subclass 593.1. Products or processes wherein the compound contains maganese. | |
600 | ... Aluminum (e.g., aluminate, etc.) |
This subclass is indented under subclass 593.1. Products or processes wherein the compound contains aluminum.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
601 | ... Arsenic (e.g., arsenite, etc.) |
This subclass is indented under subclass 593.1. Products or processes wherein the compound contains arsenic. | |
602 | .... Arsenate |
This subclass is indented under subclass 601. Products or processes in which the arsenic has a valence of +5 and is in the form of arsenate [i.e., metal arsenate (AS O3-), ortho arsenate (AsO43-) and pyroarsenate (AS2O74-)]. | |
603 | ..... And lead containing |
This subclass is indented under subclass 602. Products or processes wherein the arsenate contains lead as the other metal. | |
594.7 | ... Bismuth or antimony containing (e.g., bismuthate, antimonate, etc.): |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least one of the metals in the compound is bismuth or antimony. | |
594.8 | ... Vanadium, niobium, or tantalum containing (e.g., vanadate, niobate, tantalate, etc.): |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least one of the metals in the compound is vanadium, niobium, or tantalum. | |
594.9 | ... Tin, lead, or germanium containing (e.g., stannate, plumbate, etc.) : |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least one of the metals in the compound is tin, lead, or germanium. | |
594.12 | ... Zirconium containing (e.g., zirconate, etc.) : |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least one of the metals in the compound is zirconium. | |
594.13 | ... Tungsten containing (e.g., tungstate, etc.): |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least one of the metals in the compound is tungsten. | |
594.14 | ... Zinc, cadmium, or mercury containing (e.g., zincate, etc.): |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least one of the metals in the compound is zinc, cadmium, or mercury. | |
594.15 | ... Alkali metal containing (Li, Na, K, Rb, or Cs): |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least
one of the metals in the compound is lithium, sodium, potassium,
rubidium, or cesium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
594.16 | ... Alkaline earth metal containing (Mg, Ca, Sr, or Ba): |
This subclass is indented under subclass 593.1. Subject matter for products or processes wherein at least
one of the metals in the compound is magnesium, calcium, strontium,
or barium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
604 | .. Group IB metal (Cu, Ag, or Au) |
This subclass is indented under subclass 592.1. Products or process in which the metal is copper, silver or gold (i.e., Group I B). | |
605 | .. Group VIIB metal (Mn, Tc, or Re) |
This subclass is indented under subclass 592.1. Products or processes in which the metal is from Group VII B (i.e., manganese, technetium or rhenium). | |
606 | .. Group VIB metal (Cr, Mo, or W) |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is chromium, molybdenum or tungsten (Group VIB). | |
607 | ... Chromium |
This subclass is indented under subclass 606. Products or processes wherein the metal is chromium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
608 | .. Group IVB metal (Ti, Zr, or Hf) |
This subclass is indented under subclass 592.1. Products or processes wherein the metal in titanium, zirconium or hafnium (Group IV B). | |
609 | ... Titanium monoxide or sesquioxide |
This subclass is indented under subclass 608. Products or processes wherein the metal is titanium and the compound is the monoxide (TiO) or the sesquioxide (Ti2 O3 or Ti; (OH)3). | |
610 | ... Titanium dioxide |
This subclass is indented under subclass 608. Product or products or processes wherein ,the, compound is titanium dioxide (T.O2). | |
611 | .... Utilizing titanium halide as reactant |
This subclass is indented under subclass 610. Processes wherein the preparation of titanium dioxide includes the use of a titanium halide reactant. | |
612 | ..... Titanium tetrahalide |
This subclass is indented under subclass 611. Processes wherein the reactant is a titanium tetrahalide (e.g., TiFl4, TiBr4, etc.). | |
613 | ...... Reacting with oxiding gas |
This subclass is indented under subclass 612. Processes wherein the tetrahalide is oxidized by a gas. | |
614 | ....... In fluidized bed |
This subclass is indented under subclass 613. Processes wherein the oxidation takes place in a fluidized bed. | |
615 | .... Utilizing titanium sulfate as reactant |
This subclass is indented under subclass 610. Processes in which the preparation of titanium dioxide includes the use of titanium sulfate as a reactant. | |
616 | ..... And utilizing acid |
This subclass is indented under subclass 615. Processes in which an acid is associated with the process in any manner (e.g., as a solvent, as a reactant, etc.). | |
617 | .. Group VA metal or arsenic (Sb, Bi, or As) |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is antimony, bismuth
or arsenic (Group V A).
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618 | .. Group IVA metal (Ge, Sn, or Pb) |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is germanium, tin or lead (Group IV A). | |
619 | ... Lead |
This subclass is indented under subclass 618. Products or processes wherein the metal is lead.
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620 | .... Utilizing metallic lead as reactant |
This subclass is indented under subclass 619. Processes including the step of utilizing lead in the elemental or metallic form as a reactant. | |
621 | ..... Molten |
This subclass is indented under subclass 620. Processes in which the elemental lead is in the fused or liquid state. | |
622 | .. Zinc |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is zinc.
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623 | ... Volatizing zinc |
This subclass is indented under subclass 622. Processes which include the step of causing a normally solid
or liquid substance comprising zinc in either its element or compound
form to pass into a gas or vapor, see Glossary.
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624 | .. Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) |
This subclass is indented under subclass 592.1. Products or Processes wherein the metal is aluminum, gallium, thallium or indium (Group III A) or beryllium. | |
625 | ... Aluminum |
This subclass is indented under subclass 624. Products or processes wherein the metal is aluminum. | |
626 | .... Utilizing acid |
This subclass is indented under subclass 625. Processes in which the preparation of the aluminum compound includes the use of an acid in any manner (e.g., as a solvent, as a reactant, etc.). | |
627 | .... Reacting metallic aluminum with water or water vapor |
This subclass is indented under subclass 625. Processes in which the preparation of the compound includes
a reaction between aluminum in elemental form and water in the liquid
or vapor form.
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628 | .... Forming catalyst, sorbent activated, or narrow pore alumina |
This subclass is indented under subclass 625. Products or processes wherein the compound is alumina(A12O3) and in the process has become "activated" or has had its pore size adjusted for use in a catalyst or a sorbent. | |
629 | .... Hydroxide |
Products or processes under 625 wherein the compound is
aluminum hydroxide, (A1 (OH)3).
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630 | .... Utilizing carbon or compound thereof as reactant |
This subclass is indented under subclass 625. Processes in which preparation of the aluminum compound
includes the use of carbon or a compound thereof as a reactant.
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631 | .... Utilizing nitrogenous compound as reactant |
This subclass is indented under subclass 625. Processes in which preparation of the aluminum compound
includes the use of a nitrogen compound as a reactant.
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632 | .. Iron |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is iron.
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SEE OR SEARCH CLASS:
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633 | ... Ferric oxide |
This subclass is indented under subclass 632. Products or processes wherein the compound is ferric oxide
(Fe2O3).
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634 | .... Gamma form |
This subclass is indented under subclass 633. Products or processes wherein the ferric oxide is described as having cubic or gamma crystalline structure. | |
635 | .. Alkaline earth metal (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is magnesium, calcium,
strontium, or barium.
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636 | ... Process of manufacturing |
This subclass is indented under subclass 635. Processes for making the compound.
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637 | .... Utilizing carbonate as reactant |
This subclass is indented under subclass 636. Processes in which a carbonate (CO32-)
is utilized as a reactant.
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638 | .... By reacting a sulfur containing compound |
This subclass is indented under subclass 636. Processes in which a compound of sulfur is utilized as a reactant. | |
639 | .... By reacting a nitrogenous or halogenous compound |
This subclass is indented under subclass 636. Processes in which a compound of nitrogen or a halogen is utilized as a reactant. | |
640 | .... By hydrating lime |
This subclass is indented under subclass 636. Processes in which lime (CaO) is mixed with water to form the hydrate. | |
641 | .. Alkali metal (Li, Na, K, Rb, or Cs) |
This subclass is indented under subclass 592.1. Products or processes wherein the metal is lithium, sodium,
potassium, rubidium or cesium.
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642 | ... By reacting sulfur containing compound |
This subclass is indented under subclass 641. Processes in which preparation of the compound includes
the use of a compound of sulfur as a reactant.
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643 | ... By reacting a nitrogenous or halogenous compound |
This subclass is indented under subclass 641. Processes in which preparation of the compound includes the use of a compound of nitrogen or a halogen as a reactant. | |
594.17 | .. Vanadium (V), niobium (Nb), or tantalum (Ta) containing: |
This subclass is indented under subclass 592.1. Subject matter for products or processes wherein the compound contains vanadium, niobium, or tantalum. | |
594.18 | .. Cadmium (Cd) or mercury (Hg) containing: |
This subclass is indented under subclass 592.1. Subject matter for products or processes wherein the compound contains cadmium or mercury. | |
594.19 | .. Cobalt (Co) or nickel (Ni) containing: |
This subclass is indented under subclass 592.1. Subject matter for products or processes wherein the compound contains cobalt or nickel. | |
644 | HYDROGEN OR COMPOUND THEREOF |
This subclass is indented under the class definition. Products or processes wherein the product is hydrogen or a compound thereof. | |
645 | . Binary compound |
This subclass is indented under subclass 644. Products or processes wherein the compound contains hydrogen
and only one additional element.
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646 | .. Alkali metal containing (Li, Na, K, Rb, or Cs) |
This subclass is indented under subclass 645. Products or processes wherein the additional element is an alkali metal. | |
647 | .. Alkaline earth metal containing (Mg, Ca, Sr, or Ba) |
This subclass is indented under subclass 645. Products or processes wherein the additional element is an alkaline earth metal. | |
647.7 | . Deuterium-containing: |
This subclass is indented under subclass 644. Subject matter concerned with a heavier, nonradioactive
isotope of hydrogen; usually, the product is a hydrogen stream enriched
in deuterium.
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648.1 | . Elemental hydrogen: |
This subclass is indented under subclass 644. Subject matter wherein the product is hydrogen in elemental
form.
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649 | .. Ortho-para conversion |
This subclass is indented under subclass 648.1. Processes including the conversion of ortho hydrogen to para hydrogen (i.e., protons of molecules spin in same or opposite directions, respectively or vice versa). | |
650 | .. By decomposing hydrocarbon |
This subclass is indented under subclass 648.1. Processes in which preparation of the hydrogen includes the step of decomposing a hydrocarbon (i.e., a compound consisting of only hydrogen and carbon). | |
651 | ... Catalytic reaction |
This subclass is indented under subclass 650. Processes in which a catalyst is utilized in the decomposition; see Glossary. | |
652 | .... Including decomposing water |
This subclass is indented under subclass 651. Processes in which water is also decomposed. | |
653 | ..... Catalyst substance contains nickel |
This subclass is indented under subclass 652. Processes wherein any material which is part of the catalyst (e.g, catalyst, promoter, support, etc.), contains nickel in metallic or compound form. | |
654 | ...... And another metal |
This subclass is indented under subclass 653. Processes comprising another metal in addition to nickel as part of the catalyst structure (e.g., catalyst, promoter, support, etc.). | |
655 | .. By reacting water with carbon monoxide |
This subclass is indented under subclass 648.1. Processes in which preparation of the hydrogen includes the step of reacting water in any state with carbon monoxide. | |
656 | ... Utilizing metal oxide catalyst |
This subclass is indented under subclass 655. Processes wherein a catalyst containing the oxide of a metal is utilized. | |
657 | .. By reacting water or aqueous solution with metal or compound thereof |
This subclass is indented under subclass 648.1. Processes in which preparation of the hydrogen includes the step of reacting water in any state or liquid water containing a solute with a metal or compound thereof. | |
658 | ... Iron |
This subclass is indented under subclass 657. Processes wherein the metal is iron. | |
658.2 | .. By direct decomposition of binary compound; e.g., chemical storage, etc.: |
This subclass is indented under subclass 648.1. Subject matter wherein the elemental hydrogen is obtained
directly from a compound of hydrogen containing only one other element,
without intermediate transfer to a compound containing more than
one other element.
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658.3 | .. By reaction of impurities in a stream containing elemental hydrogen: |
Subject matter under subject 648.1 wherein a stream containing
elemental hydrogen is enriched in hydrogen by the chemical reaction of
other substances to remove them from the stream.
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658.5 | EXTRACTING, LEACHING, OR DISSOLVING |
This subclass is indented under the class definition. Processes for extracting, leaching or dissolving of a product
not provided for above.
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659 | MISCELLANEOUS PROCESS |
This subclass is indented under the class definition. Subject matter not provided for in any of the preceding subclasses. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
This subclass has no definition. | |
FOR 100 | . Metal containing: |
Foreign art collection including products or processes wherein the product is a compound which contains oxygen and metal. | |
FOR 101 | .. Plural metals or metal and ammonium: |
Foreign art collection including products or processes wherein the compound contains two or more metals or has a metal and the ammonium (NH4+) radical. | |
FOR 102 | ... Iron, cobalt, or nickel (e.g., ferrite, etc.): |
Foreign art collection including products or processes which comprise iron, cobalt, or nickel. | |
DIG1 | WASTE ACID CONTAINING IRON |
This subclass has no definition. | |
DIG2 | . Sulfuric acid |
This subclass has no definition. | |
DIG3 | PAPERMAKING LIQUOR |
This subclass has no definition. | |
DIG4 | MANGANESE MARINE MODULES |
This subclass has no definition. | |
DIG5 | AUTOMATIC (INCLUDING COMPUTER) CONTROL |
This subclass has no definition. | |
DIG6 | TEMPERATURE CONTROL |
This subclass has no definition. | |
DIG7 | ISOTOPE SEPARATION |
This subclass has no definition. | |
DIG8 | CORROSION OR DEPOSITION INHIBITING |
This subclass has no definition. | |
DIG9 | REACTION TECHNIQUES |
This subclass has no definition. | |
DIG10 | . Plasma energized |
This subclass has no definition. | |
DIG11 | . High pressure |
This subclass has no definition. | |
DIG12 | . Molten media |
This subclass has no definition. | |
DIG13 | . Catalyst contact |
This subclass has no definition. | |
DIG14 | . Ion exchange; chelation or liquid/liquid ion extraction |
This subclass has no definition. | |
DIG15 | . Comminution |
This subclass has no definition. | |
DIG16 | . Fluidization |
This subclass has no definition. | |
DIG17 | . Microbiological reactions |
This subclass has no definition. | |
DIG18 | TREATING TRASH OR GARBAGE |
This subclass has no definition. | |
DIG19 | GEOTHERMAL STEAM PURIFICATION |
This subclass has no definition. | |
DIG21 | FAUJASITE; E.G., X, Y, CZS-3, ECR-4, Z-14HS, VHP-R |
This subclass has no definition. | |
DIG22 | MFI; E.G., ZSM-5. SILICALITE, LZ-241 |
This subclass has no definition. | |
DIG23 | FERRIERITE; E.G., SR-D ZSM-33 |
This subclass has no definition. | |
DIG24 | LTA; E.G., A, ALPHA, ZK-4, ZK-21, ZK-22 |
This subclass has no definition. | |
DIG25 | MORDENITE; E.G., NA-D, PTTILOLITE, ZEOLON |
This subclass has no definition. | |
DIG26 | MAZZITE; E.G., ZSM-4, OMEGA |
This subclass has no definition. | |
DIG27 | BETA; E.G., NU-2 |
This subclass has no definition. | |
DIG28 | LTL; E.G., BA-G, L, AG-1, AG-2, AG-4, BA-6 |
This subclass has no definition. | |
DIG29 | MEL; E.G., ZSM-11 |
This subclass has no definition. | |
DIG30 | ALPO AND SAPO |
This subclass has no definition. | |
DIG31 | RHO; E.G., ECR-10, LZ-214 |
This subclass has no definition. | |
DIG32 | SODALITE; E.G., HS, ULTRAMARINE |
This subclass has no definition. | |
DIG33 | MTW; E.G., ZSM-12, NU-13, CZH-5, TPZ-3 |
This subclass has no definition. | |
DIG34 | PENTASILS OTHER THAN MFI AND MEL; E.G., AZ-1, TZ-01, TZ-02, TRS, ZBM-10 |
This subclass has no definition. | |
DIG35 | TON; E.G., THETA-1, ISI-1, KZ-2, ZSM-22, NU-10 |
This subclass has no definition. | |
DIG36 | MTT; E.G., ZSM-23, ISI-1, KZ-1, EU-1, EU-4, EU-13 |
This subclass has no definition. | |
DIG37 | LEV; E.G., LEVYNIK, ZMT-45, ZK-20, NU-3, LZ-132, LZ-133 |
This subclass has no definition. | |
DIG38 | OFFRETITE; E.G., TMA OFFREITE |
This subclass has no definition. | |
DIG39 | FULLERENE (E.G., C60, C70, ETC.) DERIVATIVE AND RELATED PROCESS |
This subclass has no definition. | |
DIG40 | FULLERENE COMPOSITION |
This subclass has no definition. | |