CLASS 501, COMPOSITIONS: CERAMIC |
1 | CERAMIC COMPOSITIONS: |
This subclass is indented under the class definition. Compositions other than Portland cement or cementitious
material prepared from gypsum, having an inorganic base, which are
heat treated to effect hardening or fusion followed by hardening
when cooled either during their manufacture or during subsequent
use by firing, calcining, sintering, or fusion of at least part
of the inorganic material, and processes not elsewhere classified
for their production.
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2 | . Devitrified glass ceramics: |
This subclass is indented under subclass 1. Compositions containing a crystalline phase embedded in
a glassy (amorphous) phase, which crystalline phase is produced
by cooling a molten glass composition to a temperature which causes
a portion only of the composition to crystallize while the remainder
of the composition (the matrix) solidifies in the amorphous or glassy
state.
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3 | .. Halogen containing crystalline phase (e.g., fluormica, etc.): |
This subclass is indented under subclass 2. Compositions in which the crystalline phase includes a halogen
atom.
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4 | .. Silica containing crystalline phase (e.g., stuffed quartz, cristobalite, etc.): |
This subclass is indented under subclass 2. Subject matter wherein the crystalline phase comprises silica.
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5 | .. Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.): |
This subclass is indented under subclass 2. Subject matter wherein the crystalline phase comprises silicates
of two or more metals.
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6 | ... Alkali metal aluminosilicate crystalline phase: |
This subclass is indented under subclass 5. Compositions in which the silicate comprises an alkali metal aluminosilicate. | |
7 | .... Lithium aluminosilicate (e.g., spodumene, eucryptite, petalite, etc.): |
This subclass is indented under subclass 6. Compositions in which the alkali metal aluminosilicate comprises
a lithium aluminosilicate.
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8 | ... Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.): |
This subclass is indented under subclass 5. Compositions in which the silicate comprises a divalent
metal oxide aluminosilicate.
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9 | .... Magnesium aluminosilicate (e.g., cordierite, etc.): |
This subclass is indented under subclass 8. Compositions in which the silicate comprises a magnesium
aluminosilicate.
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10 | .. Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.): |
This subclass is indented under subclass 2. Compositions in which the crystalline phase does not include
silica or a silicate.
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11 | . Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions: |
This subclass is indented under subclass 1. Compositions which comprise a glass or compositions intended
to be heat treated so as to form a glass.
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12 | .. Made by gel route: |
This subclass is indented under subclass 11. Compositions which have been prepared by a method other
than melting including at least one step in which the glass forming
ingredients are in a gel or sol state, and glass making processes
involving such a step.
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13 | .. Radiation color change responsive: |
This subclass is indented under subclass 11. Compositions which are capable of reversibly changing color
or darkening in response to the presence of electromagnetic radiation
and which if darkened thereby fade when the electromagnetic radiation
is removed.
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14 | .. Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients): |
This subclass is indented under subclass 11. Compositions disclosed as vitreous enamels, or glazes, or
similar compositions which are intended for use as seals between
glass and/or metal components of various devices.
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15 | ... Fusion seals (frit plus material other than glass): |
This subclass is indented under subclass 14. Compositions disclosed for use as seals between other ceramic
glass, and/or metal components of various devices, and
containing a frit plus some other ingredient which is not a glass.
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16 | ... Plural diverse frits: |
This subclass is indented under subclass 14. Compositions comprising two or more distinct frits having different compositions. | |
17 | ... Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.): |
This subclass is indented under subclass 14. Compositions which comprise a frit pulse at least one other
material which is not a glass.
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18 | .... Titanium zirconium compound as other material: |
This subclass is indented under subclass 17. Compositions which contain a compound of titanium or zirconium as the other material. | |
19 | .... Free metal as other material: |
This subclass is indented under subclass 17. Subject matter in which the other material is a free metal.
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20 | .... With vehicle or suspending agent (i.e., slip): |
This subclass is indented under subclass 17. Compositions which contain a liquid vehicle or a suspending
agent.
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21 | ... Chemically specified frit compositions: |
This subclass is indented under subclass 14. Compositions which are in a powdered or comminuted form, defined in terms of their chemical content. | |
22 | .... Lead containing: |
This subclass is indented under subclass 21. Compositions which include lead or a lead compound. | |
23 | ..... And titanium or zirconium: |
This subclass is indented under subclass 22. Compositions which additionally include titanium or zirconium or a compound of either of them. | |
24 | .... Phosphorus containing: |
This subclass is indented under subclass 21. Compositions which contain phosphorus or a compound of phosphorus. | |
25 | .... Halogen containing: |
This subclass is indented under subclass 21. Compositions which include a halogen atom, either as a free element or in the form of a halogen compound. | |
26 | .... Zinc containing: |
This subclass is indented under subclass 21. Compositions which include zinc or a zinc compound. | |
27 | .. Glass batch forming compositions (i.e., glass batch compositions): |
This subclass is indented under subclass 11. Compositions which are intended to be heated sufficiently
for its ingredients to fuse into a glass.
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28 | ... Slag containing: |
This subclass is indented under subclass 27. Compositions which comprise slag, the nonmetallic by product from various metallurgical processes. | |
29 | ... Pellet or agglomerate containing: |
This subclass is indented under subclass 27. Compositions which include at least one ingredient in the form of shaped particles, e.g., pellets, granules, briquettes, nodules, etc. | |
30 | ... Halogen containing: |
This subclass is indented under subclass 27. Compositions which include a free halogen or a halogen compound. | |
31 | ... Uncombined silica containing (e.g., sand): |
This subclass is indented under subclass 27. Compositions which contain uncombined silica as an ingredient
of the batch.
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32 | .. Glass and material other than glass (e.g., crystal glass, opal glass, etc.): |
This subclass is indented under subclass 11. Compositions which contain a glass and at least one ingredient
which is not a glass, wherein the nonglass ingredient is not dissolved
in the glass.
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33 | .. Beads: |
This subclass is indented under subclass 11. Subject matter wherein the glass is present in the form
of discrete lumps or small shaped self-supporting pieces larger
than what may be considered as powder or compositions specifically intended
to be made into beads.
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34 | ... Reflective: |
This subclass is indented under subclass 33. Beads or glass compositions for forming beads which are
intended for use as reflective elements.
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35 | .. Fibers: |
This subclass is indented under subclass 11. Compositions which are in the form of fibers or which are
disclosed for use in manufacturing fibers.
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36 | ... Mineral fibers (e.g., slag wool, rock wool, mineral wool, etc.): |
This subclass is indented under subclass 35. Compositions which are disclosed as slag wool, rock wool,
or mineral wool, etc.
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37 | ... Optical fibers: |
This subclass is indented under subclass 35. Fibers which are intended to be used as conductors of light
in fiber optics applications.
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38 | ... Titanium or zirconium containing: |
This subclass is indented under subclass 35. Fibers comprising titanium, zirconium, or a compound of one of these elements. | |
39 | .. Pore-forming: |
This subclass is indented under subclass 11. Compositions which are porous, or which are to be further
treated to produce multicellular products or processes for producing
porous glass products.
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40 | .. Nonoxide glasses (e.g., fluoride glasses, etc.): |
This subclass is indented under subclass 11. Compositions consisting solely of materials other than oxides.
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41 | .. Nonsilicate oxide glasses: |
This subclass is indented under subclass 11. Compositions which contain oxides of elements other than silicon and which do not contain any silica or silicate. | |
42 | ... Germanium containing: |
This subclass is indented under subclass 41. Compositions containing germanium or a germanium compound. | |
43 | ... Halogen containing: |
This subclass is indented under subclass 41. Compositions containing a halogen or halogen compound. | |
44 | .... Fluorine and phosphorus containing: |
This subclass is indented under subclass 43. Compositions in which the halogen is fluorine and the composition additionally contains phosphorus or a phosphorus compound. | |
45 | ... Phosphorus containing: |
This subclass is indented under subclass 41. Compositions containing phosphorus or a compound of phosphorus.
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46 | .... And titanium, zirconium, vanadium, tungsten, or molybdenum: |
This subclass is indented under subclass 45. Compositions additionally containing titanium, zirconium, vanadium, tungsten, or molybdenum, or a compound of any of these elements. | |
47 | .... And boron: |
This subclass is indented under subclass 45. Compositions additionally containing boron or a boron compound. | |
48 | .... And aluminum or beryllium: |
This subclass is indented under subclass 45. Compositions additionally containing aluminum or beryllium or a compound of either of them. | |
49 | ... Boron containing: |
This subclass is indented under subclass 41. Compositions containing boron or a boron compound. | |
50 | .... And yttrium or rare earth (i.e., elements with atomic numbers 39, 57-71, or 89+): |
This subclass is indented under subclass 49. Compositions additionally containing yttrium or a rare earth
in elemental or compound form.
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51 | ..... And zirconium, titanium, tantalum, or niobium: |
This subclass is indented under subclass 50. Compositions additionally containing zirconium, titanium, tantalum, or niobium, or a compound of any of these elements. | |
52 | .... And aluminum or beryllium: |
This subclass is indented under subclass 49. Compositions additionally containing aluminum or beryllium, or a compound of either of these elements. | |
53 | .. Silica containing: |
This subclass is indented under subclass 11. Compositions containing silica (SiO2).
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54 | ... More than 90 percent by weight silica: |
This subclass is indented under subclass 53. Subject matter wherein the silica comprises over 90 percent by weight of the total composition. | |
55 | ... 40 percent-90 percent by weight silica: |
This subclass is indented under subclass 53. Compositions wherein the silica content is at least 40 percent but not more than 90 percent by weight of the total composition. | |
56 | .... And halogen or nitrogen: |
This subclass is indented under subclass 55. Compositions additionally containing a halogen or nitrogen or a compound of either. | |
57 | ..... Fluorine: |
This subclass is indented under subclass 56. Compositions containing fluorine or a fluorine compound. | |
58 | ...... And boron: |
This subclass is indented under subclass 57. Compositions additionally containing boron or a boron compound. | |
59 | ....... And aluminum: |
This subclass is indented under subclass 58. Compositions additionally containing aluminum or an aluminum compound. | |
60 | .... And lead: |
This subclass is indented under subclass 55. Compositions additionally containing lead or a lead compound. | |
61 | ..... And boron: |
This subclass is indented under subclass 60. Compositions additionally containing boron or a boron compound. | |
62 | ..... And aluminum: |
This subclass is indented under subclass 60. Compositions additionally containing aluminum or an aluminum compound. | |
63 | .... And phosphorus, niobium, or tantalum: |
This subclass is indented under subclass 55. Compositions additionally containing phosphorus, niobium, or tantalum or a compound of any of these elements. | |
64 | .... And yttrium or rare earth (i.e., elements with atomic numbers 39 or 57-71): |
This subclass is indented under subclass 55. Compositions additionally containing yttrium or a rare earth
in elemental or compound form.
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65 | .... And boron: |
This subclass is indented under subclass 55. Compositions additionally containing boron or a boron compound. | |
66 | ..... And aluminum: |
This subclass is indented under subclass 65. Compositions additionally containing aluminum or an aluminum compound. | |
67 | ...... And zinc or zirconium: |
This subclass is indented under subclass 66. Compositions additionally containing zinc or zirconium or a compound of either of these elements. | |
68 | .... And aluminum or iron compound: |
This subclass is indented under subclass 55. Compositions additionally containing compounds of aluminum or of iron. | |
69 | ..... And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.): |
This subclass is indented under subclass 68. Compositions additionally containing an oxide of a divalent
metal.
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70 | ...... Calcium oxide containing: |
This subclass is indented under subclass 69. Compositions in which the divalent metal oxide is calcium
oxide.
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71 | ....... And chromium, nickel, or cobalt: |
This subclass is indented under subclass 70. Subject matter wherein the composition further includes
chromium, nickel, or cobalt or a compound of one of those elements.
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72 | .... And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.): |
This subclass is indented under subclass 55. Compositions containing an oxide of a divalent metal.
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73 | ... Less than 40 percent by weight silica: |
This subclass is indented under subclass 53. Compositions containing silica in an amount equal to less than 40 percent by weight of the total composition. | |
74 | .... And lead: |
This subclass is indented under subclass 73. Compositions which contain lead or a lead compound. | |
75 | ..... And boron: |
This subclass is indented under subclass 74. Compositions additionally containing boron or a boron compound. | |
76 | ...... And zinc: |
This subclass is indented under subclass 75. Compositions additionally containing zinc or a zinc compound. | |
77 | .... And boron: |
This subclass is indented under subclass 73. Compositions which contain boron or a boron compound. | |
78 | ..... And rare earth (i.e., elements with atomic number 39 or 57-71): |
This subclass is indented under subclass 77. Compositions additionally containing a rare earth element
or a compound of any rare earth element.
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79 | ..... And zinc: |
This subclass is indented under subclass 77. Compositions additionally containing zinc or a zinc compound. | |
80 | . Pore-forming: |
This subclass is indented under subclass 1. Compositions other than glass compositions which are multicellular,
or which are to be further treated to produce multicellular products, or
processes for producing such products.
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81 | .. By use of organic combustible material: |
This subclass is indented under subclass 80. Subject matter wherein the porosity results from combustion of an organic combustible material, e.g., hair, tar, pitch, etc. | |
82 | ... Of resin or vegetable origin material: |
This subclass is indented under subclass 81. Subject matter in which the organic combustible material
is either a natural or synthetic resin or is a material of vegetable
origin.
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83 | .... Of cellulosic material: |
This subclass is indented under subclass 82. Subject matter in which the combustible material contains
cellulose or a reaction product thereof.
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84 | .. By gas blowing, foaming agent, or in situ reactive gas generation: |
This subclass is indented under subclass 80. Processes which include blowing a gaseous material through a molten ceramic composition, or which employ a foaming agent, or which employ materials which interact to yield a gas, which gas lends porosity to the composition and compositions to be used in such processes. | |
85 | .. By volatilizing or heat expansion of water or other noncombustible material: |
This subclass is indented under subclass 80. Processes wherein porosity results from volatilization or expansion caused by heating of water or other noncombustible material contained in the composition, and compositions to be used in such processes. | |
86 | . Synthetic precious stones (e.g., single crystals, etc.): |
This subclass is indented under subclass 1. Compositions which are artificial precious stones, which
are usually formed by the solidification of a melted composition
containing ingredients giving the desired appearance, and processes
for preparing such products except those forming single-crystals.
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87 | . Carbide or oxycarbide containing: |
This subclass is indented under subclass 1. Compositions which include at least one compound which is
a binary compound of a metal directly bonded to carbon (i.e., a
carbide) or is a ternary compound of a metal, carbon, and oxygen
of the type: 2(ZrO2)C or ZrO.C
(i.e., an oxycarbide or carboxide).
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88 | .. Silicon carbide: |
This subclass is indented under subclass 87. Compositions which contain a silicon carbide, e.g., SiC. | |
89 | ... And aluminum compound: |
This subclass is indented under subclass 88. Subject matter additionally comprising a compound of aluminum.
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90 | ... And carbonaceous material: |
This subclass is indented under subclass 88. Subject matter additionally comprising a material containing
free carbon.
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91 | ... And different carbide: |
This subclass is indented under subclass 88. Compositions which contain a carbide of an element other than silicon in addition to the silicon carbide. | |
92 | ... And boride, silicide, nitride, or oxynitride: |
This subclass is indented under subclass 88. Compositions which contain a silicide, boride, nitride,
or oxynitride, in addition to silicon carbide.
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93 | .. Plural carbides (i.e., carbides of plural metals) containing: |
This subclass is indented under subclass 87. Compositions which include at least two different carbide compounds. | |
94 | . Refractory: |
This subclass is indented under subclass 1. Subject matter directed to refractory compositions and processes
for their preparation.
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95.1 | .. Fiber or fiber containing: |
This subclass is indented under subclass 94. Compositions which are in the form of a fiber or filament.
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95.2 | ... Composites (continuous matrix with dispersed fiber phase): |
This subclass is indented under subclass 95.1. Compositions which are characterized by having fibers as
a dispersed phase in a continuous matrix.
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95.3 | .... Whisker containing: |
This subclass is indented under subclass 95.2. Compositions characterized as having whiskers in a continuous
matrix.
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96.1 | .. Boride, silicide, nitride, oxynitride, carbonitride, or oxycarbonitride containing: |
This subclass is indented under subclass 94. Compositions comprising at least one compound which is a
boride, silicide, nitride, oxynitride, carbonitride, or oxycarbonitride.
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96.2 | ... From organometallic precursor: |
This subclass is indented under subclass 96.1. Subject matter produced from an organometallic precursor.
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96.3 | ... Boride or silicide containing: |
This subclass is indented under subclass 96.1. Compositions in which a component is a boride, a silicide, or mixture thereof. | |
96.4 | ... Boron nitride containing: |
This subclass is indented under subclass 96.1. Compositions in which a component is boron nitride (BN). | |
96.5 | ... Silicon oxynitride, silicon carbonitride, or silicon oxycarbonitride containing (i.e.,SiAOBNC, SiACBNC, or SiAOBCCND): |
This subclass is indented under subclass 96.1. Compositions in which a component is silicon oxynitride
(SiAOBNC),
silicon carbonitride (SiACBNC),
or silicon oxycarbonitride (SiAOBCCND).
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97.1 | ... Silicon nitride containing (Si3N4): |
This subclass is indented under subclass 96.1. Compositions in which a component is silicon nitride (Si3N4). | |
97.2 | .... With trivalent metal compound (e.g., yttrium, rare earth, or aluminum compound, etc.): |
This subclass is indented under subclass 97.1. Compositions additionally containing a trivalent metal compound.
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97.3 | ..... With alkaline earth metal compound: |
This subclass is indented under subclass 97.2. Compositions additionally containing an alkaline earth metal compound. | |
97.4 | .... Composites (continuous matrix with dispersed phase): |
This subclass is indented under subclass 97.1. Compositions characterized by having a dispersed phase in a continuous matrix, wherein silicon nitride may be either the dispersed phase or the continuous matrix, or may be in either the dispersed phase or in the continuous matrix. | |
98.1 | ... Silicon aluminum oxynitride containing (i.e., SiAlON compounds): |
This subclass is indented under subclass 96.1. Compositions in which silicon aluminum oxynitride (SiAlON) is found. | |
98.2 | .... With rare earth or alkaline earth metal compound: |
This subclass is indented under subclass 98.1. Compositions in which a rare earth or alkaline earth metal compound is found. | |
98.3 | .... Composites (continuous matrix with dispersed phase): |
This subclass is indented under subclass 98.1. Subject matter characterized by having a dispersed phase in a continuous matrix, wherein SiAlON may be either the dispersed phase or the continuous matrix, or may be in either the dispersed phase or in the continuous matrix. | |
98.4 | ... Aluminum nitride containing (AlN): |
This subclass is indented under subclass 96.1. Subject matter in which aluminum nitride (AlN) is found. | |
98.5 | .... With alkaline earth metal compound: |
This subclass is indented under subclass 98.4. Subject matter additionally containing an alkaline earth metal compound. | |
98.6 | .... Composites (continuous matrix with dispersed phase): |
This subclass is indented under subclass 98.4. Subject matter characterized by having a dispersed phase in a continuous matrix, where aluminum nitride may be either the dispersed phase or the continuous matrix, or may be in either the dispersed phase or in the continuous matrix. | |
99 | .. Elemental carbon containing: |
This subclass is indented under subclass 94. Subject matter wherein the refractory composition comprises
elemental carbon.
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100 | ... And aluminum compound (e.g., clay, aluminum oxide, etc.): |
This subclass is indented under subclass 99. Subject matter wherein the refractory composition additionally
includes a compound of aluminum.
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101 | ... And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.): |
This subclass is indented under subclass 99. Subject matter wherein the refractory composition additionally
includes a compound of an alkaline earth metal or of magnesium.
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102 | .. Zirconium compound containing: |
This subclass is indented under subclass 94. Subject matter wherein the composition includes a compound of zirconium. | |
103 | ... Zirconium oxide: |
This subclass is indented under subclass 102. Subject matter comprising an oxide of zirconium.
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104 | .... And alkaline earth metal or magnesium compound: |
This subclass is indented under subclass 103. Subject matter further including a compound of an alkaline earth metal or magnesium. | |
105 | .... And aluminum compound (e.g., clay, aluminum oxide, etc.): |
This subclass is indented under subclass 103. Subject matter further including a compound of aluminum.
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106 | ... Zirconium silicate: |
This subclass is indented under subclass 102. Subject matter comprising a silicate of zirconium.
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107 | .... And aluminum compound (e.g., clay, aluminum oxide, etc.): |
This subclass is indented under subclass 106. Subject matter further including a compound of aluminum.
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108 | .. Magnesium compound containing: |
This subclass is indented under subclass 94. Subject matter comprising a compound of magnesium. | |
109 | ... With organic material in starting mixture: |
This subclass is indented under subclass 108. Subject matter additionally comprising an organic compound
or other organic substance in the starting mixture.
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110 | .... And iron or chromium compound: |
This subclass is indented under subclass 109. Subject matter additionally comprising a compound of iron or chromium. | |
111 | ... And phosphorus compound: |
This subclass is indented under subclass 108. Subject matter additionally comprising a compound of phosphorus. | |
112 | ... And iron compound: |
This subclass is indented under subclass 108. Subject matter additionally comprising a compound of iron. | |
113 | .... Dolomite containing: |
This subclass is indented under subclass 112. Subject matter wherein the magnesium compound comprises dolomite (CaMg(CO3)2). | |
114 | .... And chromium compound: |
This subclass is indented under subclass 112. Subject matter additionally comprising a compound of chromium. | |
115 | ..... Fused cast or fused material containing: |
This subclass is indented under subclass 114. Subject matter wherein the composition is in solid block form or a portion of the composition is comprised of previously fused material. | |
116 | ..... Chemical binder containing: |
This subclass is indented under subclass 114. Subject matter wherein the ceramic particles are bonded
to each other at least in part by a chemical substance other than
that of the ceramic particles themselves.
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117 | ... And chromium compound: |
This subclass is indented under subclass 108. Subject matter additionally comprising a compound of chromium. | |
118 | ... And aluminum compound: |
This subclass is indented under subclass 108. Subject matter additionally comprising a compound of aluminum. | |
119 | .... Aluminum compound other than clay: |
This subclass is indented under subclass 118. Subject matter wherein the aluminum compound is other than
clay.
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120 | ..... Spinel or other aluminate: |
This subclass is indented under subclass 119. Subject matter wherein the aluminum compound is spinel (MgAl2O4) or another aluminate. | |
121 | ... Less than 90 percent by weight magnesium compound: |
This subclass is indented under subclass 108. Subject matter wherein the magnesium compound comprises less than 90 percent by weight of the total composition. | |
122 | ... And silicon compound: |
This subclass is indented under subclass 108. Subject matter additionally comprising a compound of silicon. | |
123 | .. Alkaline earth metal compound containing: |
This subclass is indented under subclass 94. Subject matter wherein an alkaline earth metal compound is included in the composition or is employed in the process of preparing the composition. | |
124 | ... Hydraulic cement containing: |
This subclass is indented under subclass 123. Subject matter including a hydraulic cement.
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125 | ... And aluminum compound: |
This subclass is indented under subclass 123. Subject matter further comprising a compound of aluminum.
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126 | .. Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing: |
This subclass is indented under subclass 94. Subject matter containing a compound of a trivalent metal.
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127 | ... Aluminum compound (e.g., clay, aluminum oxide, etc.): |
This subclass is indented under subclass 126. Subject matter wherein the trivalent metal is aluminum. | |
128 | .... And silicon compound other than clay: |
This subclass is indented under subclass 127. Subject matter additionally containing a compound of silicon other than clay. | |
129 | ..... And silica-clay mixtures: |
This subclass is indented under subclass 128. Subject matter wherein the silicon compound is silica and the aluminum compound is clay. | |
130 | ..... And clay containing: |
This subclass is indented under subclass 128. Subject matter comprising clay. | |
131 | ...... Less than 40 percent by weight clay: |
This subclass is indented under subclass 130. Subject matter wherein the clay is present in a concentration greater than zero percent and less than 40 percent by weight of the total composition. | |
132 | ... Chromium compound containing: |
This subclass is indented under subclass 126. Subject matter comprising a compound of chromium. | |
133 | .. Silica containing: |
This subclass is indented under subclass 94. Subject matter wherein the refractory composition comprises silica. | |
134 | . Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.): |
This subclass is indented under subclass 1. Subject matter comprising a titanate, zirconate, stannate,
niobate, or tantalate compound or an oxide of titanium, zirconium,
tin, niobium, or tantalum.
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135 | .. Alkaline earth or magnesium containing: |
This subclass is indented under subclass 134. Compositions containing a compound of an alkaline earth or magnesium. | |
136 | ... Titanate containing: |
This subclass is indented under subclass 135. Compositions which include a titanate compound, i.e., a
salt of titanic acid (H2TiO3).
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137 | .... Barium titanate: |
This subclass is indented under subclass 136. Compositions in which the titanate compound is a barium titanate. | |
138 | ..... And divalent metal oxide other than alkaline earth oxide or magnesium oxide: |
This subclass is indented under subclass 137. Subject matter additionally containing an oxide of a divalent
metal other than an alkaline earth metal or magnesium.
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139 | ..... And trivalent metal oxide: |
This subclass is indented under subclass 137. Subject matter additionally containing an oxide of a trivalent metal. | |
140 | . Elemental sulfur containing: |
This subclass is indented under subclass 1. Subject matter wherein the ceramic composition includes
elemental sulfur, e.g., as a binder.
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141 | . Clay containing (e.g., porcelain, earthenware, etc.): |
This subclass is indented under subclass 1. Compositions or methods for their preparation which include
a clay ingredient.
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SEE OR SEARCH CLASS:
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142 | .. And phosphorus (e.g., bone china, etc.): |
This subclass is indented under subclass 141. Subject matter wherein the composition further includes
phosphorus or a compound of phosphorus.
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143 | .. And flint or feldspar: |
This subclass is indented under subclass 141. Compositions additionally containing flint or feldspar. | |
144 | ... Kaolin (e.g., ball clay, fire clay, etc.) containing: |
This subclass is indented under subclass 143. Compositions additionally containing kaolin.
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145 | .. Clay pretreatment: |
This subclass is indented under subclass 141. Processes for treating clay directed to the enhancement
of its properties when subsequently used as a component of a ceramic
composition.
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146 | ... Chemical pretreatment: |
This subclass is indented under subclass 145. Subject matter in which a pretreatment of the clay includes treatment thereof with a treating agent in addition to or other than water, which agent reacts chemically with the clay. | |
147 | .... Using alkaline compound treating agent: |
This subclass is indented under subclass 146. Compositions wherein the treating agent comprises a compound
of an alkali forming metal or an amine or ammonium compound.
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148 | .... Using organic substance as treating agent: |
This subclass is indented under subclass 146. Subject matter wherein the treating agent is an organic compound or material. | |
149 | ... Water pretreatment: |
This subclass is indented under subclass 145. Subject matter wherein the clay is treated with water which
does not contain a chemical treating agent.
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150 | ... Heat treatment: |
This subclass is indented under subclass 145. Subject matter wherein clay is treated at an elevated temperature below that necessary to cause vitrification and in the absence of added water or ingredients which react chemically with the clay. | |
151 | . Fluorine containing: |
This subclass is indented under subclass 1. Subject matter which includes fluorine or a fluorine compound.
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152 | . Yttrium, lanthanide, actinide, or transactinide containing (i.e., atomic numbers 39 or 57-71 or 89+): |
This subclass is indented under subclass 1. Subject matter comprising in elemental form or in a compound
thereof an element having an atomic number of 39, 57-71, or 89+.
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153 | . Aluminum compound containing: |
This subclass is indented under subclass 1. Subject matter comprising aluminum or a compound of aluminum. | |
154 | . Silicon compound containing: |
This subclass is indented under subclass 1. Subject matter comprising silicon or a compound of silicon. | |
155 | . Composed of waste material: |
This subclass is indented under subclass 1. Subject matter comprising materials retrieved as residues
from other processes or as scraps.
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900 | Optical glass (e.g., silent on refractive index and/or abbe number): |
Cross-reference copies of original patents in the above
enumerated subclasses which disclose optical glass compositions
wherein neither the refractive index nor the Abbe number is disclosed.
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901 | . Having R.I. at least 1.8: |
This subclass takes cross-references of patents which are originals in subclasses enumerated above disclosing an optical glass composition or method of making same having a refractive index of at least 1.8. | |
902 | . Having abbe number at least 70: |
This subclass takes cross-reference of patents which are originals in subclasses enumerated above disclosing an optical glass composition or method of making same having an Abbe number of at least 70. | |
903 | . Having refractive index less than 1.8 and abbe number less than 70: |
This subclass takes cross-reference copies of patents which are originals in the above enumerated subclasses disclosing an optical glass composition or method of making same having a refractive index of less than 1.8 and an Abbe number of less than 70. | |
904 | . Infrared transmitting or absorbing: |
This subclass takes cross-references of patents which are
originals in subclasses enumerated above disclosing an optical glass
composition or method of making same disclosed as having the property
of or being specifically formulated to enhance the transmission
or absorption of radiation in the infrared portion of the electromagnetic
spectrum.
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905 | . Ultraviolet transmitting or absorbing: |
This subclass takes cross-references of patents which are originals in subclasses enumerated above disclosing an optical glass composition or method of making same disclosed as having the property of or being specifically formulated to enhance the transmission or absorption of radiation in the ultraviolet portion of the electromagnetic spectrum. The ultraviolet portion of the spectrum is considered to include 4,000 - 40,000 A5 or 1015 - 1017 HZ. | |
906 | . Thorium oxide containing: |
Optical glasses which comprise thorium oxide (ThO2). | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |