Manual of U.S. Patent Classification
as of June 30, 2000

Class
502
CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

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Subclass		Title
ClassTitle		===> CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING
		This Class 502 is considered to be an integral part of Class 252 (see the Class 252 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 252.
1		HAVING FOREIGN OR DIVERSE FUNCTION (E.G., PREVENT CORROSION, ETC.)
2		. With structure having utility in addition to support or carrier
3		TO BE USED AS A MELT
4		IN FORM OF A MEMBRANE
5		IRRADIATION BY, OR APPLICATION OF, ELECTRICAL, MAGNETIC OR WAVE ENERGY
6		CONTROL RESPONSIVE TO SENSED CONDITION
7		BIOSPECIFIC MATERIAL, OR PRODUCED BY ENZYME OR MICROORGANISM
8		FORMING OR TREATING A SPHERE, PROCESS ONLY
9		. Forming other than by liquid immersion
10		. Treating preformed sphere only
11		INCLUDING ION EXCHANGING, EXCEPT ZEOLITES OR PRODUCT THEREOF
12		. For regenerating or rehabilitating catalyst or sorbent
20		REGENERATING OR REHABILITATING CATALYST OR SORBENT
21		. Including segregation of diverse particles
22		. Treating with a liquid or treating in a liquid phase, including dissolved or suspended
23		. . "Wet air combustion" oxidation of material submerged in liquid
24		. . Including intended dissolution or precipitation of a substantial amount of an ingredient of the ultimate composition
25		. . Using salt or alkaline substance
26		. . . Ammonia or derivative thereof
27		. . Using acid
28		. . . Organic
29		. . Organic liquid
30		. . . And gas addition thereto
31		. . . Hydrocarbon
32		. . . Halogen containing
33		. . . Oxygen containing
34		. Gas or vapor treating
35		. . Using halogen containing substance including liquids vaporizable upon contacting spent catalyst or sorbent
36		. . . Fluorine containing
37		. . . Simultaneously or subsequently adding free oxygen or use of oxyhalogen compound
38		. . Treating with free oxygen containing gas
39		. . . And forming useful by-product
40		. . . And adding heat by admixing solid heat carrier
41		. . . In gaseous suspension (e.g., fluidized bed, etc.)
42		. . . . And substantially complete oxidation of carbon monoxide to carbon dioxide within regeneration zone
43		. . . . Plural distinct serial combustion stages
44		. . . . Indirectly heating or cooling spent material within regeneration zone or prior to entry into regeneration zone
45		. . . Moving bed (e.g., vertically or horizontally, etc., moving bulk material)
46		. . . . Generally concurrent flow of oxygen containing gas and material
47		. . . . Generally countercurrent flow of oxygen containing gas and material
48		. . . . Generally transverse (i.e., lateral) flow of oxygen containing gas relative to material
49		. . . Plural distinct oxidation stages
50		. . . Reactive gas treating after oxidation
51		. . . Oxidation gas comprises essentially steam and oxygen
52		. . . With control of oxygen content in oxidation gas
53		. . Elemental hydrogen
54		. . Ammonia or derivative thereof
55		. . Steam
56		. By heat
60		ZEOLITE OR CLAY, INCLUDING GALLIUM ANALOGS
61		. Gallium containing
62		. Including organic component
63		. And additional AL or Si containing component
64		. . Zeolite
65		. . . And rare earth metal (Sc, Y or Lanthanide)containing
66		. . . And Group VIII (Iron Group or Platinum Group) metal containing
67		. . . Mixed zeolites
68		. . . Mixed with clay
69		. . . Heterogeneous arrangement
70		. . . Gelling in presence of zeolite
71		. . . ZSM Type
72		. . Mixed clays
73		. And Group III or rare earth metal (Al, Ga, In, Tl, Sc, Y) or Lanthanide containing
74		. And Group VIII (Iron Group or Platinum Group) containing
75		. Including chemical reduction of exchanged cation
76		. Coprecipitation
77		. ZSM type
78		. Mordenite type
79		. Faujasite type (e.g., X or Y, etc.)
80		. Clay
81		. . Acid treating
82		. . . Plural acid treatment
83		. . . Sulfuric or hydrochloric acid
84		. . And metal, metal oxide, or metal hydroxide
85		. Activating treatment
86		. . Utilizing ammonium ions
87		. Support per se
100		CATALYST OR PRECURSOR THEREFOR
101		. Making catalytic electrode, process only
102		. Plural component system comprising A - Group I to IV metal hydride or organometallic compound - and B - Group IV to VIII metal, lanthanide or actinde compound - (i.e., alkali metal, Ag, Au, Cu, alkaline earth metal, Be, Mg, Zn, Cd, Hg, Sc, Y, Al, Ga, In, Tl, Ti, Zn, Hf, Ge, Sn or Pb hydride or organometallic compound and Ti, Zr, Hf, Ge, Sn, Pb, V, Nb, Ta, As, Sb, Bi, Cr, Mo, W, Po, Mn, Tc, Re, Iron group, Platinum group, atomic number 57 to 71 inclusive or atomic number 89 or higher compound)
103		. . Component A metal is Group IA, IIA or IIIA and component B metal is Group IVB to VIIB or VIII (i.e., alkali metal, alkaline earth Metal, Be, Mg, Al, Ga, In or Tl and Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, iron Group or Platinum group) (e.g., Ziegler Catalyst, etc.)
104		. . . Preparing catalyst or precursor
105		. . . . Including comminuting (e.g., milling, grinding, etc.)
106		. . . . Fluidized bed feature
107		. . . . Including heating to higher temperature
108		. . . . Utilizing hydrocarbon containing unsaturation not part of benzene ring
109		. . . . Utilizing high molecular weight synthetic polymer
110		. . . . Including plural additions of Component A
111		. . . . Utilizing water or compound containing hydroxy bonded to carbon
112		. . . Containing iodine
113		. . . Containing two or more different Component B metals
114		. . . Containing hydrides or organometallic of two or more different Component A metals
115		. . . . Magnesium containing
116		. . . . . And compound containing Silicon-Hydrogen or Silicon-Carbon bond
117		. . . Component B metal is other than titanium or vanadium
118		. . . And a third component C (i.e., an additive other than a saturated hydrocarbon or an aromatic hydrocarbon free of aliphatic or cycloaliphatic unsaturation)
119		. . . . Non-metallic inorganic halogen containing
120		. . . . Elemental oxygen or nonmetallic inorganic oxygen-containing material, other than water
121		. . . . Nonmetallic organic phosphorus containing
122		. . . . Nonmetallic organic sulfur containing
123		. . . . Nonmetallic organic nitrogen containing
124		. . . . . Including element in addition to carbon, hydrogen, and nitrogen (e.g, nitro, etc.)
125		. . . . Nonmetallic organic oxygen containing
126		. . . . . Ether
127		. . . . . Ester
128		. . . . Nonmetallic organic halide
129		. . . . Metal compound other than which could be produced in situ by reaction of a Group IA, IIA, or Group IIIA metal compound present with a titanium or vanadium compound present
130		. . . . . Lead compound
131		. . . . . Tin compound
132		. . . . . Aluminum compound
133		. . . . . Magnesium compound
134		. . . . . . Halogen containing
150		. Organic compound containing
151		. . Method of making including comminuting of solid material (e.g., grinding, crushing, etc.)
152		. . Organic compound including carbon-metal bond
153		. . . Diverse metals bonded to carbon
154		. . . Including metal compound containing different metal than that bonded to carbon
155		. . . Including phosphorus or sulfur or compound containing nitrogen or phosphorus or sulfur
156		. . . Including alcohol, phenol, or ether
157		. . . Alkali metal bonded to carbon
158		. . Compound with Silicon-hydrogen bond or organic compound with silicon-carbon bond
159		. . Resin, natural or synthetic, polysaccharide or polypeptide
160		. . Peroxygen compound containing
161		. . With metal carbonyl or carbon monoxide complex
162		. . Organic phosphorus or nitrogen, except the ammonium ion
163		. . . Phthalocyanine
164		. . . Quaternary ammonium or phosphonium
165		. . . Copper containing
166		. . . Rhodium containing
167		. . . Organic nitrogen containing
168		. . Organic sulfur compound
169		. . With metal halide
170		. . With metal carboxylate or metal compound and carboxylic acid or anhydride
171		. . Organic compound contains metal (e.g., Na-O-Ethyl, etc.)
172		. . Alcohol, phenol, ether, aldehyde or ketone
173		. . Elemental metal in organic dispersing medium
174		. Inorganic carbon containing
175		. . Cyanide
176		. . Hydroxycarbonate
177		. . Carbide
178		. . . Silicon carbide
179		. . . . Group VA (N, P, As, Sb, Bi) containing
180		. . Elemental carbon
181		. . . And halogen containing
182		. . . And metal, metal oxide, or metal hydroxide
183		. . . . Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)
184		. . . . Of Group I (i.e., alkali, Ag, Au or Cu)
185		. . . . Of Group VIII (i.e., iron or platinum group)
200		. Nitrogen compound containing
201		. . Nitrate
202		. Boron or compound containing same
203		. . Boron halide
204		. . And Group VI metal containing (i.e., Cr, Mo, W or Po)
205		. . . And bismuth containing
206		. . . Molybdenum containing
207		. . And Group VIII metal containing (i.e., iron or platinum group)
208		. Phosphorus or compound containing same
209		. . And vanadium containing
210		. . And Group VI metal (i.e., Cr, Mo, W or Po,)
211		. . . Molybdenum
212		. . . . And bismuth containing
213		. . And Group VIII metal containing (i.e., iron or platinum group)
214		. . And silicon containing
215		. Selenium or tellurium or compound containing same
216		. Sulfur or compound containing same
217		. . Sulfate
218		. . . And Group I metal containing (i.e., alkali, Ag, Au or Cu)
219		. . And Group VI metal containing (i.e., Cr, Mo, W or Po)
220		. . . Molybdenum containing
221		. . . And Group VIII metal containing (i.e., iron or platinum group)
222		. . And Group VIII metal containing (i.e., iron or platinum group)
223		. . . Platinum group (i.e., Ru, Rh, Pd, Os, Ir, Pt)
224		. Halogen or compound containing same
225		. . Copper halide
226		. . And Group II metal (i.e., alkaline earth, Be, Mg, Zn Cd or Hg)
227		. . And Group IV metal (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
228		. . And Group VI metal (i.e., Cr, Mo, W or Po)
229		. . And Group VIII metal (i.e., iron or platinum group)
230		. . . Platinum group (i.e., Ru, Rh, Pd, Os, Ir or Pt)
231		. . And Group III metal (i.e., Sc, Y, Al, Ga, In or Tl)
232		. Silicon containing or process of making
233		. . Forming silica gel
234		. . . Coprecipitating
235		. . . . Group III or rare earth metal, metal oxide, or metal hydroxide containing (i.e., Sc, Y, Al, Ga, In, Tl or lanthanide)
236		. . . . Group IV metal, metal oxide, or metal hydroxide, (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
237		. . . Metal, metal oxide, or metal hydroxide containing
238		. . . . Of Group III metal (i.e., Sc, Y, Al, Ga, In or Tl)
239		. . . . Of Group IV metal (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
240		. . With metal, metal oxide, or metal hydroxide
241		. . . Of Group VII (i.e., Mn, Tc or Re)
242		. . . Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
243		. . . Of Group I (i.e., Alkali, Ag, Au or Cu)
244		. . . . Of copper
245		. . . . . And group VIII metal containing (i.e., iron or platinum group)
246		. . . Of Group V (i.e., V, Nb, Ta, As, Sb or Bi)
247		. . . . Of vanadium
248		. . . . . And Group VI metal (i.e., Cr, Mo., W or Po)
249		. . . . Of antimony or bismuth
250		. . . Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)
251		. . . . Magnesium
252		. . . . . And Group VIII metal containing (i.e., iron or platinum group)
253		. . . . Of zinc, cadmium, or mercury
254		. . . Of Group VI (i.e., Cr, Mo, W or Po)
255		. . . . Molybdenum
256		. . . . Chromium
257		. . . . . And Group VIII metal containing (i.e., iron or platinum group)
258		. . . Of Group VIII (i.e., iron or platinum group)
259		. . . . Nickel
260		. . . . Cobalt
261		. . . . Platinum group (i.e., Ru, Rh, Pd, Os, Ir or Pt)
262		. . . . . Platinum or palladium
263		. . . Of Group III or lanthanide group (i.e., Sc, Y, Al, Ga, In, Tl, or atomic number 57 to 71 inclusive)
300		. Metal, metal oxide or metal hydroxide
301		. . Raney type
302		. . Of lanthanide series (i.e., atomic number 57 to 71 inclusive)
303		. . . Lanthanum
304		. . . Cerium
305		. . Of Group VI (i.e., Cr, Mo, W or Po)
306		. . . And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)
307		. . . . Zinc
308		. . . And Group IV metal containing (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
309		. . . . Titanium containing
310		. . . . Tin containing
311		. . . And Group V metal containing (i.e., V, Nb, Ta, As, Sb or Bi)
312		. . . . Vanadium containing
313		. . . And Group VIII metal containing (i.e., iron or platinum group)
314		. . . . Iron group metal and Group III metal containing (i.e., Fe, Co or Ni and Sc, Y, Al, Ga, In or Tl)
315		. . . . Nickel containing
316		. . . . Iron containing
317		. . . And Group I containing (i.e., alkali, Ag, Au or Cu)
318		. . . . Copper containing
319		. . . Of chromium
320		. . . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
321		. . . Of molybdenum
322		. . . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
323		. . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
324		. . Of manganese
325		. . Of Group VIII (i.e., iron or platinum group)
326		. . . Of platinum group metal and of iron group (i.e., Ru, Rh, Pd, Os, Ir, or Pt and Fe, Co or Ni)
327		. . . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
328		. . . And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)
329		. . . . Zinc containing
330		. . . And Group I metal containing (i.e., alkali, Ag, Au or Cu)
331		. . . . Copper containing
332		. . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
333		. . . . Of palladium
334		. . . . Of platinum
335		. . . . Of nickel
336		. . . . Of iron
337		. . . Of nickel
338		. . . Of iron
339		. . . Of palladium or platinum
340		. . Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)
341		. . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
342		. . . . Of zinc
343		. . . Of zinc
344		. . Of Group I (i.e., alkali, Ag, Au or Cu)
345		. . . Of copper
346		. . . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
347		. . . Of silver
348		. . . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
349		. . Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
350		. . . Of titanium
351		. . . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)
352		. . . Of tin
353		. . Of Group V (i.e., V, Nb, Ta, As, Sb or Bi)
354		. . . And Group III metal containing (i.e., Sc, Y, Al, Ga, In or T1)
355		. . Of Group III (i.e., Sc, Y, Al, Ga, In or Tl)
400		SOLID SORBENT
401		. Organic
402		. . Synthetic resin
403		. . Protein
404		. . Carbohydrate
405		. Inorganic gel containing (e.g., silicagel)
406		. Having specifically intended extraneously added iron group (i.e., Fe, Co, Ni) component
407		. Silicon containing
408		. . Acid treated
409		. . Quartz
410		. . Magnesium silicate (e.g., abestos, vermiculite, etc.)
411		. . Having extraneously added alkali metal, or alkaline earth metal
412		. . Diatomaceous earth
413		. . Free carbon containing
414		. Aluminum containing
415		. . Alumina (i.e., dialuminum trioxide)
416		. Free carbon containing
417		. . And specified adde active sorbent material
418		. . Process utilizing solid or liquid source carbonizable material, or product thereof
419		. . . Producing diverse useful byproduct
420		. . . Temperature vs. time factor
421		. . . Including recycling product or intermediate thereof to prior stage of process
422		. . . Including diverting part of source to provide fuel for process
423		. . . Adding nongaseous inorganic, or inorganic yielding component, prior to or during process
424		. . . . Zinc containing
425		. . . . Phosphorus containing
426		. . . . Acid
427		. . . . Alkali metal, alkaline earth metal, or magnesium containing
428		. . . Including pelletizing or briquetting and subsequently comminuting
429		. . . . Using carbonaceous binder
430		. . . Treating with gas
431		. . . . Fluidized bed having specified parameter
432		. . . . Specified atmosphere
433		. . . . . Including free oxygen
434		. . . . . . And subsequent diverse gas
435		. . . . . Exposure to hot flue or exhaust gas
436		. . . Diverse temperatures
437		. . . Specified source (e.g., peach pit, etc.)
438		. . Chemically reducing an oxide or product thereof
439		MISCELLANEOUS (E.G., CARRIER OR SUPPORT PER SE OR PROCESS OF MAKING, ETC.)
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		CROSS-REFERENCE ART COLLECTIONS
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500		STABILIZED
501		. For multi-regenerability
502		. Cystallinity
503		. Crush strength
504		. Abrasion resistance
506		METHOD OF MAKING INORGANIC COMPOSITION UTILIZING ORGANIC COMPOUND (EXCEPT FORMIC, ACETIC, OR OXALIC ACID OR SALT THEREOF)
507		. Synthetic resin, natural resin, polysaccaride, or polypeptide
508		. Sulfur containing organic compound
509		. Nitrogen containing organic compound
510		. . Also containing hydroxyl bonded to carbon, e.g., carboxylic acid, etc.
511		. . Two or more nitrogen atoms bonded to different carbon atoms
512		. Carboxylic acid or salt thereof other than formic, acetic, or oxalic acid
513		. Alcohol, phenol, or ether or metallate thereof
514		PROCESS APPLICABLE EITHER TO PREPARING OR TO REGENERATING OR TO REHABILITATING CATALYST OR SORBENT
515		SPECIFIC CONTAMINANT REMOVAL
516		. Metal contaminant removal
517		. Sulfur or sulfur compound removal
518		. Carbonaceous contaminant
519		REAGENT GRADE (E.G., ULTRA PURE)
520		SUPPRESSED SIDE REACTIONS
521		METAL CONTAMINANT PASSIVATION
522		RADIANT OR WAVE ENERGY ACTIVATED
523		MISCELLANEOUS SPECIFIC TECHNIQUES OF GENERAL APPLICABILITY
524		SPINEL
525		PEROVSKITE
526		SORBENT FOR FLUID STORAGE, OTHER THAN AN ALLOY FOR HYDROGEN STORAGE
527.11		MONOLITH OF PECULIAR STRUCTURE OR PHYSICAL FORM, WITH SPECIFIED HEAT EXCHANGE CAPABILITY
527.12		PLURAL LAYERS ON A SUPPORT, EACH LAYER HAVING A DISTINCT FUNCTION
527.13		. More than two overlapping layers
527.14		SPECIFIED SUPPORT PARTICLES OF PECULIAR STRUCTURE OR PHYSICAL FORM (E.G., WHISKERS, FIBER PIECES, ETC.)
527.15		. Layered deposition on support particle (i.e., on a carrier particle)
527.16		. Specified shape of support particle (e.g., hollow-carrier particle)
527.17		. Specified cross-section shape or area of elongated support particles (e.g., tape, with area of cross section stated)
527.18		MONOLITH WITH SPECIFIED GAS FLOW PATTERNS (E.G., TURBULENT FLOW MONOLITH)
527.19		MONOLITH WITH SPECIFIED SHAPE OR DIMENSION OF CELL OPENING (E.G., HONEYCOMB, RINGS, ETC.)
527.2		. Cell opening shape and dimensions are determined by the intersection of the woof and the warp of a woven structure (e.g., of a fabric or gauze, etc.)
527.21		. Cell openings are quadrilateral or triangular (e.g., pie shaped)
527.22		. Cell openings are spiral or corrugated
527.23		SPECIFIED EXTERNAL OR INTERNAL SHAPE OR CONFIGURATION OF CATALYST REACTOR OR OF SORBENT CONVERTER
527.24		PECULIAR STRUCTURE OR PHYSICAL FORM (E.G., FOAM, SPONGE, FOIL, SACK, BAG, FIBER IN A MATRIX, MONOLITH, MICROSTRUCTURE (MICROCRACKING), MICROAGGREGATES, ETC.)

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Last Modified: 6 October 2000