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Class   502CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING
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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.
[List of Pre Grant Publications for class 502 subclass 1][List of Patents for class 502 subclass 1]1 HAVING FOREIGN OR DIVERSE FUNCTION (E.G., PREVENT CORROSION, ETC.)
 [List of Pre Grant Publications for class 502 subclass 2][List of Patents for class 502 subclass 2]2 Subclass 2 indent level is 1 With structure having utility in addition to support or carrier
 [List of Pre Grant Publications for class 502 subclass 3][List of Patents for class 502 subclass 3]3 TO BE USED AS A MELT
 [List of Pre Grant Publications for class 502 subclass 4][List of Patents for class 502 subclass 4]4 IN FORM OF A MEMBRANE
 [List of Pre Grant Publications for class 502 subclass 5][List of Patents for class 502 subclass 5]5 IRRADIATION BY, OR APPLICATION OF, ELECTRICAL, MAGNETIC OR WAVE ENERGY
 [List of Pre Grant Publications for class 502 subclass 6][List of Patents for class 502 subclass 6]6 CONTROL RESPONSIVE TO SENSED CONDITION
 [List of Pre Grant Publications for class 502 subclass 7][List of Patents for class 502 subclass 7]7 BIOSPECIFIC MATERIAL, OR PRODUCED BY ENZYME OR MICROORGANISM
[List of Pre Grant Publications for class 502 subclass 8][List of Patents for class 502 subclass 8]8 FORMING OR TREATING A SPHERE, PROCESS ONLY
 [List of Pre Grant Publications for class 502 subclass 9][List of Patents for class 502 subclass 9]9 Subclass 9 indent level is 1 Forming other than by liquid immersion
 [List of Pre Grant Publications for class 502 subclass 10][List of Patents for class 502 subclass 10]10 Subclass 10 indent level is 1 Treating preformed sphere only
[List of Pre Grant Publications for class 502 subclass 11][List of Patents for class 502 subclass 11]11 INCLUDING ION EXCHANGING, EXCEPT ZEOLITES OR PRODUCT THEREOF
 [List of Pre Grant Publications for class 502 subclass 12][List of Patents for class 502 subclass 12]12 Subclass 12 indent level is 1 For regenerating or rehabilitating catalyst or sorbent
[List of Pre Grant Publications for class 502 subclass 20][List of Patents for class 502 subclass 20]20 REGENERATING OR REHABILITATING CATALYST OR SORBENT
 [List of Pre Grant Publications for class 502 subclass 21][List of Patents for class 502 subclass 21]21 Subclass 21 indent level is 1 Including segregation of diverse particles
[List of Pre Grant Publications for class 502 subclass 22][List of Patents for class 502 subclass 22]22 Subclass 22 indent level is 1 Treating with a liquid or treating in a liquid phase, including dissolved or suspended
 [List of Pre Grant Publications for class 502 subclass 23][List of Patents for class 502 subclass 23]23 Subclass 23 indent level is 2 "Wet air combustion" oxidation of material submerged in liquid
 [List of Pre Grant Publications for class 502 subclass 24][List of Patents for class 502 subclass 24]24 Subclass 24 indent level is 2 Including intended dissolution or precipitation of a substantial amount of an ingredient of the ultimate composition
[List of Pre Grant Publications for class 502 subclass 25][List of Patents for class 502 subclass 25]25 Subclass 25 indent level is 2 Using salt or alkaline substance
[List of Pre Grant Publications for class 502 subclass 27][List of Patents for class 502 subclass 27]27 Subclass 27 indent level is 2 Using acid
[List of Pre Grant Publications for class 502 subclass 29][List of Patents for class 502 subclass 29]29 Subclass 29 indent level is 2 Organic liquid
[List of Pre Grant Publications for class 502 subclass 34][List of Patents for class 502 subclass 34]34 Subclass 34 indent level is 1 Gas or vapor treating
[List of Pre Grant Publications for class 502 subclass 35][List of Patents for class 502 subclass 35]35 Subclass 35 indent level is 2 Using halogen containing substance including liquids vaporizable upon contacting spent catalyst or sorbent
[List of Pre Grant Publications for class 502 subclass 38][List of Patents for class 502 subclass 38]38 Subclass 38 indent level is 2 Treating with free oxygen containing gas
 [List of Pre Grant Publications for class 502 subclass 53][List of Patents for class 502 subclass 53]53 Subclass 53 indent level is 2 Elemental hydrogen
 [List of Pre Grant Publications for class 502 subclass 54][List of Patents for class 502 subclass 54]54 Subclass 54 indent level is 2 Ammonia or derivative thereof
 [List of Pre Grant Publications for class 502 subclass 55][List of Patents for class 502 subclass 55]55 Subclass 55 indent level is 2 Steam
 [List of Pre Grant Publications for class 502 subclass 56][List of Patents for class 502 subclass 56]56 Subclass 56 indent level is 1 By heat
[List of Pre Grant Publications for class 502 subclass 60][List of Patents for class 502 subclass 60]60 ZEOLITE OR CLAY, INCLUDING GALLIUM ANALOGS
 [List of Pre Grant Publications for class 502 subclass 61][List of Patents for class 502 subclass 61]61 Subclass 61 indent level is 1 Gallium containing
 [List of Pre Grant Publications for class 502 subclass 62][List of Patents for class 502 subclass 62]62 Subclass 62 indent level is 1 Including organic component
[List of Pre Grant Publications for class 502 subclass 63][List of Patents for class 502 subclass 63]63 Subclass 63 indent level is 1 And additional AL or Si containing component
[List of Pre Grant Publications for class 502 subclass 64][List of Patents for class 502 subclass 64]64 Subclass 64 indent level is 2 Zeolite
 [List of Pre Grant Publications for class 502 subclass 72][List of Patents for class 502 subclass 72]72 Subclass 72 indent level is 2 Mixed clays
 [List of Pre Grant Publications for class 502 subclass 73][List of Patents for class 502 subclass 73]73 Subclass 73 indent level is 1 And Group III or rare earth metal (Al, Ga, In, Tl, Sc, Y) or Lanthanide containing
 [List of Pre Grant Publications for class 502 subclass 74][List of Patents for class 502 subclass 74]74 Subclass 74 indent level is 1 And Group VIII (Iron Group or Platinum Group) containing
 [List of Pre Grant Publications for class 502 subclass 75][List of Patents for class 502 subclass 75]75 Subclass 75 indent level is 1 Including chemical reduction of exchanged cation
 [List of Pre Grant Publications for class 502 subclass 76][List of Patents for class 502 subclass 76]76 Subclass 76 indent level is 1 Coprecipitation
 [List of Pre Grant Publications for class 502 subclass 77][List of Patents for class 502 subclass 77]77 Subclass 77 indent level is 1 ZSM type
 [List of Pre Grant Publications for class 502 subclass 78][List of Patents for class 502 subclass 78]78 Subclass 78 indent level is 1 Mordenite type
 [List of Pre Grant Publications for class 502 subclass 79][List of Patents for class 502 subclass 79]79 Subclass 79 indent level is 1 Faujasite type (e.g., X or Y, etc.)
[List of Pre Grant Publications for class 502 subclass 80][List of Patents for class 502 subclass 80]80 Subclass 80 indent level is 1 Clay
[List of Pre Grant Publications for class 502 subclass 81][List of Patents for class 502 subclass 81]81 Subclass 81 indent level is 2 Acid treating
 [List of Pre Grant Publications for class 502 subclass 84][List of Patents for class 502 subclass 84]84 Subclass 84 indent level is 2 And metal, metal oxide, or metal hydroxide
[List of Pre Grant Publications for class 502 subclass 85][List of Patents for class 502 subclass 85]85 Subclass 85 indent level is 1 Activating treatment
 [List of Pre Grant Publications for class 502 subclass 86][List of Patents for class 502 subclass 86]86 Subclass 86 indent level is 2 Utilizing ammonium ions
 [List of Pre Grant Publications for class 502 subclass 87][List of Patents for class 502 subclass 87]87 Subclass 87 indent level is 1 Support per se
[List of Pre Grant Publications for class 502 subclass 100][List of Patents for class 502 subclass 100]100 CATALYST OR PRECURSOR THEREFOR
 [List of Pre Grant Publications for class 502 subclass 101][List of Patents for class 502 subclass 101]101 Subclass 101 indent level is 1 Making catalytic electrode, process only
[List of Pre Grant Publications for class 502 subclass 102][List of Patents for class 502 subclass 102]102 Subclass 102 indent level is 1 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)
[List of Pre Grant Publications for class 502 subclass 103][List of Patents for class 502 subclass 103]103 Subclass 103 indent level is 2 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.)
[List of Pre Grant Publications for class 502 subclass 104][List of Patents for class 502 subclass 104]104 Subclass 104 indent level is 3 Preparing catalyst or precursor
 [List of Pre Grant Publications for class 502 subclass 112][List of Patents for class 502 subclass 112]112 Subclass 112 indent level is 3 Containing iodine
 [List of Pre Grant Publications for class 502 subclass 113][List of Patents for class 502 subclass 113]113 Subclass 113 indent level is 3 Containing two or more different Component B metals
[List of Pre Grant Publications for class 502 subclass 114][List of Patents for class 502 subclass 114]114 Subclass 114 indent level is 3 Containing hydrides or organometallic of two or more different Component A metals
 [List of Pre Grant Publications for class 502 subclass 117][List of Patents for class 502 subclass 117]117 Subclass 117 indent level is 3 Component B metal is other than titanium or vanadium
[List of Pre Grant Publications for class 502 subclass 118][List of Patents for class 502 subclass 118]118 Subclass 118 indent level is 3 And a third component C (i.e., an additive other than a saturated hydrocarbon or an aromatic hydrocarbon free of aliphatic or cycloaliphatic unsaturation)
[List of Pre Grant Publications for class 502 subclass 150][List of Patents for class 502 subclass 150]150 Subclass 150 indent level is 1 Organic compound containing
 [List of Pre Grant Publications for class 502 subclass 151][List of Patents for class 502 subclass 151]151 Subclass 151 indent level is 2 Method of making including comminuting of solid material (e.g., grinding, crushing, etc.)
[List of Pre Grant Publications for class 502 subclass 152][List of Patents for class 502 subclass 152]152 Subclass 152 indent level is 2 Organic compound including carbon-metal bond
 [List of Pre Grant Publications for class 502 subclass 158][List of Patents for class 502 subclass 158]158 Subclass 158 indent level is 2 Compound with Silicon-hydrogen bond or organic compound with silicon-carbon bond
 [List of Pre Grant Publications for class 502 subclass 159][List of Patents for class 502 subclass 159]159 Subclass 159 indent level is 2 Resin, natural or synthetic, polysaccharide or polypeptide
 [List of Pre Grant Publications for class 502 subclass 160][List of Patents for class 502 subclass 160]160 Subclass 160 indent level is 2 Peroxygen compound containing
 [List of Pre Grant Publications for class 502 subclass 161][List of Patents for class 502 subclass 161]161 Subclass 161 indent level is 2 With metal carbonyl or carbon monoxide complex
[List of Pre Grant Publications for class 502 subclass 162][List of Patents for class 502 subclass 162]162 Subclass 162 indent level is 2 Organic phosphorus or nitrogen, except the ammonium ion
 [List of Pre Grant Publications for class 502 subclass 168][List of Patents for class 502 subclass 168]168 Subclass 168 indent level is 2 Organic sulfur compound
 [List of Pre Grant Publications for class 502 subclass 169][List of Patents for class 502 subclass 169]169 Subclass 169 indent level is 2 With metal halide
 [List of Pre Grant Publications for class 502 subclass 170][List of Patents for class 502 subclass 170]170 Subclass 170 indent level is 2 With metal carboxylate or metal compound and carboxylic acid or anhydride
 [List of Pre Grant Publications for class 502 subclass 171][List of Patents for class 502 subclass 171]171 Subclass 171 indent level is 2 Organic compound contains metal (e.g., Na-O-Ethyl, etc.)
 [List of Pre Grant Publications for class 502 subclass 172][List of Patents for class 502 subclass 172]172 Subclass 172 indent level is 2 Alcohol, phenol, ether, aldehyde or ketone
 [List of Pre Grant Publications for class 502 subclass 173][List of Patents for class 502 subclass 173]173 Subclass 173 indent level is 2 Elemental metal in organic dispersing medium
[List of Pre Grant Publications for class 502 subclass 174][List of Patents for class 502 subclass 174]174 Subclass 174 indent level is 1 Inorganic carbon containing
 [List of Pre Grant Publications for class 502 subclass 175][List of Patents for class 502 subclass 175]175 Subclass 175 indent level is 2 Cyanide
 [List of Pre Grant Publications for class 502 subclass 176][List of Patents for class 502 subclass 176]176 Subclass 176 indent level is 2 Hydroxycarbonate
[List of Pre Grant Publications for class 502 subclass 177][List of Patents for class 502 subclass 177]177 Subclass 177 indent level is 2 Carbide
[List of Pre Grant Publications for class 502 subclass 180][List of Patents for class 502 subclass 180]180 Subclass 180 indent level is 2 Elemental carbon
[List of Pre Grant Publications for class 502 subclass 200][List of Patents for class 502 subclass 200]200 Subclass 200 indent level is 1 Nitrogen compound containing
 [List of Pre Grant Publications for class 502 subclass 201][List of Patents for class 502 subclass 201]201 Subclass 201 indent level is 2 Nitrate
[List of Pre Grant Publications for class 502 subclass 202][List of Patents for class 502 subclass 202]202 Subclass 202 indent level is 1 Boron or compound containing same
 [List of Pre Grant Publications for class 502 subclass 203][List of Patents for class 502 subclass 203]203 Subclass 203 indent level is 2 Boron halide
[List of Pre Grant Publications for class 502 subclass 204][List of Patents for class 502 subclass 204]204 Subclass 204 indent level is 2 And Group VI metal containing (i.e., Cr, Mo, W or Po)
 [List of Pre Grant Publications for class 502 subclass 207][List of Patents for class 502 subclass 207]207 Subclass 207 indent level is 2 And Group VIII metal containing (i.e., iron or platinum group)
[List of Pre Grant Publications for class 502 subclass 208][List of Patents for class 502 subclass 208]208 Subclass 208 indent level is 1 Phosphorus or compound containing same
 [List of Pre Grant Publications for class 502 subclass 209][List of Patents for class 502 subclass 209]209 Subclass 209 indent level is 2 And vanadium containing
[List of Pre Grant Publications for class 502 subclass 210][List of Patents for class 502 subclass 210]210 Subclass 210 indent level is 2 And Group VI metal (i.e., Cr, Mo, W or Po,)
 [List of Pre Grant Publications for class 502 subclass 213][List of Patents for class 502 subclass 213]213 Subclass 213 indent level is 2 And Group VIII metal containing (i.e., iron or platinum group)
 [List of Pre Grant Publications for class 502 subclass 214][List of Patents for class 502 subclass 214]214 Subclass 214 indent level is 2 And silicon containing
 [List of Pre Grant Publications for class 502 subclass 215][List of Patents for class 502 subclass 215]215 Subclass 215 indent level is 1 Selenium or tellurium or compound containing same
[List of Pre Grant Publications for class 502 subclass 216][List of Patents for class 502 subclass 216]216 Subclass 216 indent level is 1 Sulfur or compound containing same
[List of Pre Grant Publications for class 502 subclass 217][List of Patents for class 502 subclass 217]217 Subclass 217 indent level is 2 Sulfate
[List of Pre Grant Publications for class 502 subclass 219][List of Patents for class 502 subclass 219]219 Subclass 219 indent level is 2 And Group VI metal containing (i.e., Cr, Mo, W or Po)
[List of Pre Grant Publications for class 502 subclass 222][List of Patents for class 502 subclass 222]222 Subclass 222 indent level is 2 And Group VIII metal containing (i.e., iron or platinum group)
[List of Pre Grant Publications for class 502 subclass 224][List of Patents for class 502 subclass 224]224 Subclass 224 indent level is 1 Halogen or compound containing same
 [List of Pre Grant Publications for class 502 subclass 225][List of Patents for class 502 subclass 225]225 Subclass 225 indent level is 2 Copper halide
 [List of Pre Grant Publications for class 502 subclass 226][List of Patents for class 502 subclass 226]226 Subclass 226 indent level is 2 And Group II metal (i.e., alkaline earth, Be, Mg, Zn Cd or Hg)
 [List of Pre Grant Publications for class 502 subclass 227][List of Patents for class 502 subclass 227]227 Subclass 227 indent level is 2 And Group IV metal (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
 [List of Pre Grant Publications for class 502 subclass 228][List of Patents for class 502 subclass 228]228 Subclass 228 indent level is 2 And Group VI metal (i.e., Cr, Mo, W or Po)
[List of Pre Grant Publications for class 502 subclass 229][List of Patents for class 502 subclass 229]229 Subclass 229 indent level is 2 And Group VIII metal (i.e., iron or platinum group)
 [List of Pre Grant Publications for class 502 subclass 231][List of Patents for class 502 subclass 231]231 Subclass 231 indent level is 2 And Group III metal (i.e., Sc, Y, Al, Ga, In or Tl)
[List of Pre Grant Publications for class 502 subclass 232][List of Patents for class 502 subclass 232]232 Subclass 232 indent level is 1 Silicon containing or process of making
[List of Pre Grant Publications for class 502 subclass 233][List of Patents for class 502 subclass 233]233 Subclass 233 indent level is 2 Forming silica gel
[List of Pre Grant Publications for class 502 subclass 240][List of Patents for class 502 subclass 240]240 Subclass 240 indent level is 2 With metal, metal oxide, or metal hydroxide
[List of Pre Grant Publications for class 502 subclass 300][List of Patents for class 502 subclass 300]300 Subclass 300 indent level is 1 Metal, metal oxide or metal hydroxide
 [List of Pre Grant Publications for class 502 subclass 301][List of Patents for class 502 subclass 301]301 Subclass 301 indent level is 2 Raney type
[List of Pre Grant Publications for class 502 subclass 302][List of Patents for class 502 subclass 302]302 Subclass 302 indent level is 2 Of lanthanide series (i.e., atomic number 57 to 71 inclusive)
[List of Pre Grant Publications for class 502 subclass 305][List of Patents for class 502 subclass 305]305 Subclass 305 indent level is 2 Of Group VI (i.e., Cr, Mo, W or Po)
 [List of Pre Grant Publications for class 502 subclass 324][List of Patents for class 502 subclass 324]324 Subclass 324 indent level is 2 Of manganese
[List of Pre Grant Publications for class 502 subclass 325][List of Patents for class 502 subclass 325]325 Subclass 325 indent level is 2 Of Group VIII (i.e., iron or platinum group)
[List of Pre Grant Publications for class 502 subclass 340][List of Patents for class 502 subclass 340]340 Subclass 340 indent level is 2 Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)
[List of Pre Grant Publications for class 502 subclass 344][List of Patents for class 502 subclass 344]344 Subclass 344 indent level is 2 Of Group I (i.e., alkali, Ag, Au or Cu)
[List of Pre Grant Publications for class 502 subclass 349][List of Patents for class 502 subclass 349]349 Subclass 349 indent level is 2 Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb)
[List of Pre Grant Publications for class 502 subclass 353][List of Patents for class 502 subclass 353]353 Subclass 353 indent level is 2 Of Group V (i.e., V, Nb, Ta, As, Sb or Bi)
 [List of Pre Grant Publications for class 502 subclass 355][List of Patents for class 502 subclass 355]355 Subclass 355 indent level is 2 Of Group III (i.e., Sc, Y, Al, Ga, In or Tl)
[List of Pre Grant Publications for class 502 subclass 400][List of Patents for class 502 subclass 400]400 SOLID SORBENT
[List of Pre Grant Publications for class 502 subclass 401][List of Patents for class 502 subclass 401]401 Subclass 401 indent level is 1 Organic
 [List of Pre Grant Publications for class 502 subclass 402][List of Patents for class 502 subclass 402]402 Subclass 402 indent level is 2 Synthetic resin
 [List of Pre Grant Publications for class 502 subclass 403][List of Patents for class 502 subclass 403]403 Subclass 403 indent level is 2 Protein
 [List of Pre Grant Publications for class 502 subclass 404][List of Patents for class 502 subclass 404]404 Subclass 404 indent level is 2 Carbohydrate
 [List of Pre Grant Publications for class 502 subclass 405][List of Patents for class 502 subclass 405]405 Subclass 405 indent level is 1 Inorganic gel containing (e.g., silicagel)
 [List of Pre Grant Publications for class 502 subclass 406][List of Patents for class 502 subclass 406]406 Subclass 406 indent level is 1 Having specifically intended extraneously added iron group (i.e., Fe, Co, Ni) component
[List of Pre Grant Publications for class 502 subclass 407][List of Patents for class 502 subclass 407]407 Subclass 407 indent level is 1 Silicon containing
 [List of Pre Grant Publications for class 502 subclass 408][List of Patents for class 502 subclass 408]408 Subclass 408 indent level is 2 Acid treated
 [List of Pre Grant Publications for class 502 subclass 409][List of Patents for class 502 subclass 409]409 Subclass 409 indent level is 2 Quartz
 [List of Pre Grant Publications for class 502 subclass 410][List of Patents for class 502 subclass 410]410 Subclass 410 indent level is 2 Magnesium silicate (e.g., abestos, vermiculite, etc.)
 [List of Pre Grant Publications for class 502 subclass 411][List of Patents for class 502 subclass 411]411 Subclass 411 indent level is 2 Having extraneously added alkali metal, or alkaline earth metal
 [List of Pre Grant Publications for class 502 subclass 412][List of Patents for class 502 subclass 412]412 Subclass 412 indent level is 2 Diatomaceous earth
 [List of Pre Grant Publications for class 502 subclass 413][List of Patents for class 502 subclass 413]413 Subclass 413 indent level is 2 Free carbon containing
[List of Pre Grant Publications for class 502 subclass 414][List of Patents for class 502 subclass 414]414 Subclass 414 indent level is 1 Aluminum containing
 [List of Pre Grant Publications for class 502 subclass 415][List of Patents for class 502 subclass 415]415 Subclass 415 indent level is 2 Alumina (i.e., dialuminum trioxide)
[List of Pre Grant Publications for class 502 subclass 416][List of Patents for class 502 subclass 416]416 Subclass 416 indent level is 1 Free carbon containing
 [List of Pre Grant Publications for class 502 subclass 417][List of Patents for class 502 subclass 417]417 Subclass 417 indent level is 2 And specified adde active sorbent material
[List of Pre Grant Publications for class 502 subclass 418][List of Patents for class 502 subclass 418]418 Subclass 418 indent level is 2 Process utilizing solid or liquid source carbonizable material, or product thereof
 [List of Pre Grant Publications for class 502 subclass 438][List of Patents for class 502 subclass 438]438 Subclass 438 indent level is 2 Chemically reducing an oxide or product thereof
 [List of Pre Grant Publications for class 502 subclass 439][List of Patents for class 502 subclass 439]439 MISCELLANEOUS (E.G., CARRIER OR SUPPORT PER SE OR PROCESS OF MAKING, ETC.)
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Pre Grant Publications for class 502 subclass 500][List of Patents for class 502 subclass 500]500 STABILIZED
 [List of Pre Grant Publications for class 502 subclass 501][List of Patents for class 502 subclass 501]501 Subclass 501 indent level is 1 For multi-regenerability
 [List of Pre Grant Publications for class 502 subclass 502][List of Patents for class 502 subclass 502]502 Subclass 502 indent level is 1 Cystallinity
 [List of Pre Grant Publications for class 502 subclass 503][List of Patents for class 502 subclass 503]503 Subclass 503 indent level is 1 Crush strength
 [List of Pre Grant Publications for class 502 subclass 504][List of Patents for class 502 subclass 504]504 Subclass 504 indent level is 1 Abrasion resistance
[List of Pre Grant Publications for class 502 subclass 506][List of Patents for class 502 subclass 506]506 METHOD OF MAKING INORGANIC COMPOSITION UTILIZING ORGANIC COMPOUND (EXCEPT FORMIC, ACETIC, OR OXALIC ACID OR SALT THEREOF)
 [List of Pre Grant Publications for class 502 subclass 507][List of Patents for class 502 subclass 507]507 Subclass 507 indent level is 1 Synthetic resin, natural resin, polysaccaride, or polypeptide
 [List of Pre Grant Publications for class 502 subclass 508][List of Patents for class 502 subclass 508]508 Subclass 508 indent level is 1 Sulfur containing organic compound
[List of Pre Grant Publications for class 502 subclass 509][List of Patents for class 502 subclass 509]509 Subclass 509 indent level is 1 Nitrogen containing organic compound
 [List of Pre Grant Publications for class 502 subclass 510][List of Patents for class 502 subclass 510]510 Subclass 510 indent level is 2 Also containing hydroxyl bonded to carbon, e.g., carboxylic acid, etc.
 [List of Pre Grant Publications for class 502 subclass 511][List of Patents for class 502 subclass 511]511 Subclass 511 indent level is 2 Two or more nitrogen atoms bonded to different carbon atoms
 [List of Pre Grant Publications for class 502 subclass 512][List of Patents for class 502 subclass 512]512 Subclass 512 indent level is 1 Carboxylic acid or salt thereof other than formic, acetic, or oxalic acid
 [List of Pre Grant Publications for class 502 subclass 513][List of Patents for class 502 subclass 513]513 Subclass 513 indent level is 1 Alcohol, phenol, or ether or metallate thereof
 [List of Pre Grant Publications for class 502 subclass 514][List of Patents for class 502 subclass 514]514 PROCESS APPLICABLE EITHER TO PREPARING OR TO REGENERATING OR TO REHABILITATING CATALYST OR SORBENT
[List of Pre Grant Publications for class 502 subclass 515][List of Patents for class 502 subclass 515]515 SPECIFIC CONTAMINANT REMOVAL
 [List of Pre Grant Publications for class 502 subclass 516][List of Patents for class 502 subclass 516]516 Subclass 516 indent level is 1 Metal contaminant removal
 [List of Pre Grant Publications for class 502 subclass 517][List of Patents for class 502 subclass 517]517 Subclass 517 indent level is 1 Sulfur or sulfur compound removal
 [List of Pre Grant Publications for class 502 subclass 518][List of Patents for class 502 subclass 518]518 Subclass 518 indent level is 1 Carbonaceous contaminant
 [List of Pre Grant Publications for class 502 subclass 519][List of Patents for class 502 subclass 519]519 REAGENT GRADE (E.G., ULTRA PURE)
 [List of Pre Grant Publications for class 502 subclass 520][List of Patents for class 502 subclass 520]520 SUPPRESSED SIDE REACTIONS
 [List of Pre Grant Publications for class 502 subclass 521][List of Patents for class 502 subclass 521]521 METAL CONTAMINANT PASSIVATION
 [List of Pre Grant Publications for class 502 subclass 522][List of Patents for class 502 subclass 522]522 RADIANT OR WAVE ENERGY ACTIVATED
 [List of Pre Grant Publications for class 502 subclass 523][List of Patents for class 502 subclass 523]523 MISCELLANEOUS SPECIFIC TECHNIQUES OF GENERAL APPLICABILITY
 [List of Pre Grant Publications for class 502 subclass 524][List of Patents for class 502 subclass 524]524 SPINEL
 [List of Pre Grant Publications for class 502 subclass 525][List of Patents for class 502 subclass 525]525 PEROVSKITE
 [List of Pre Grant Publications for class 502 subclass 526][List of Patents for class 502 subclass 526]526 SORBENT FOR FLUID STORAGE, OTHER THAN AN ALLOY FOR HYDROGEN STORAGE
 [List of Pre Grant Publications for class 502 subclass 527.11][List of Patents for class 502 subclass 527.11]527.11 MONOLITH OF PECULIAR STRUCTURE OR PHYSICAL FORM, WITH SPECIFIED HEAT EXCHANGE CAPABILITY
[List of Pre Grant Publications for class 502 subclass 527.12][List of Patents for class 502 subclass 527.12]527.12 PLURAL LAYERS ON A SUPPORT, EACH LAYER HAVING A DISTINCT FUNCTION
 [List of Pre Grant Publications for class 502 subclass 527.13][List of Patents for class 502 subclass 527.13]527.13 Subclass 527.13 indent level is 1 More than two overlapping layers
[List of Pre Grant Publications for class 502 subclass 527.14][List of Patents for class 502 subclass 527.14]527.14 SPECIFIED SUPPORT PARTICLES OF PECULIAR STRUCTURE OR PHYSICAL FORM (E.G., WHISKERS, FIBER PIECES, ETC.)
 [List of Pre Grant Publications for class 502 subclass 527.15][List of Patents for class 502 subclass 527.15]527.15 Subclass 527.15 indent level is 1 Layered deposition on support particle (i.e., on a carrier particle)
 [List of Pre Grant Publications for class 502 subclass 527.16][List of Patents for class 502 subclass 527.16]527.16 Subclass 527.16 indent level is 1 Specified shape of support particle (e.g., hollow-carrier particle)
 [List of Pre Grant Publications for class 502 subclass 527.17][List of Patents for class 502 subclass 527.17]527.17 Subclass 527.17 indent level is 1 Specified cross-section shape or area of elongated support particles (e.g., tape, with area of cross section stated)
 [List of Pre Grant Publications for class 502 subclass 527.18][List of Patents for class 502 subclass 527.18]527.18 MONOLITH WITH SPECIFIED GAS FLOW PATTERNS (E.G., TURBULENT FLOW MONOLITH)
[List of Pre Grant Publications for class 502 subclass 527.19][List of Patents for class 502 subclass 527.19]527.19 MONOLITH WITH SPECIFIED SHAPE OR DIMENSION OF CELL OPENING (E.G., HONEYCOMB, RINGS, ETC.)
 [List of Pre Grant Publications for class 502 subclass 527.2][List of Patents for class 502 subclass 527.2]527.2 Subclass 527.2 indent level is 1 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.)
 [List of Pre Grant Publications for class 502 subclass 527.21][List of Patents for class 502 subclass 527.21]527.21 Subclass 527.21 indent level is 1 Cell openings are quadrilateral or triangular (e.g., pie shaped)
 [List of Pre Grant Publications for class 502 subclass 527.22][List of Patents for class 502 subclass 527.22]527.22 Subclass 527.22 indent level is 1 Cell openings are spiral or corrugated
 [List of Pre Grant Publications for class 502 subclass 527.23][List of Patents for class 502 subclass 527.23]527.23 SPECIFIED EXTERNAL OR INTERNAL SHAPE OR CONFIGURATION OF CATALYST REACTOR OR OF SORBENT CONVERTER
 [List of Pre Grant Publications for class 502 subclass 527.24][List of Patents for class 502 subclass 527.24]527.24 PECULIAR STRUCTURE OR PHYSICAL FORM (E.G., FOAM, SPONGE, FOIL, SACK, BAG, FIBER IN A MATRIX, MONOLITH, MICROSTRUCTURE (MICROCRACKING), MICROAGGREGATES, ETC.)
 
FOREIGN ART COLLECTIONS
 
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