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[Search a list of Patent Appplications for class 502]  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 Patents for class 502 subclass 1]  1           HAVING FOREIGN OR DIVERSE FUNCTION (E.G., PREVENT CORROSION, ETC.)
    [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 Patents for class 502 subclass 3]  3           TO BE USED AS A MELT
    [List of Patents for class 502 subclass 4]  4           IN FORM OF A MEMBRANE
    [List of Patents for class 502 subclass 5]  5           IRRADIATION BY, OR APPLICATION OF, ELECTRICAL, MAGNETIC OR WAVE ENERGY
    [List of Patents for class 502 subclass 6]  6           CONTROL RESPONSIVE TO SENSED CONDITION
    [List of Patents for class 502 subclass 7]  7           BIOSPECIFIC MATERIAL, OR PRODUCED BY ENZYME OR MICROORGANISM
   [List of Patents for class 502 subclass 8]  8           FORMING OR TREATING A SPHERE, PROCESS ONLY
    [List of Patents for class 502 subclass 9]  9           Subclass 9 indent level is 1 Forming other than by liquid immersion
    [List of Patents for class 502 subclass 10]  10           Subclass 10 indent level is 1 Treating preformed sphere only
   [List of Patents for class 502 subclass 11]  11           INCLUDING ION EXCHANGING, EXCEPT ZEOLITES OR PRODUCT THEREOF
    [List of Patents for class 502 subclass 12]  12           Subclass 12 indent level is 1 For regenerating or rehabilitating catalyst or sorbent
   [List of Patents for class 502 subclass 20]  20           REGENERATING OR REHABILITATING CATALYST OR SORBENT
    [List of Patents for class 502 subclass 21]  21           Subclass 21 indent level is 1 Including segregation of diverse particles
   [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 Patents for class 502 subclass 23]  23           Subclass 23 indent level is 2 "Wet air combustion" oxidation of material submerged in liquid
    [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 Patents for class 502 subclass 25]  25           Subclass 25 indent level is 2 Using salt or alkaline substance
    [List of Patents for class 502 subclass 26]  26           Subclass 26 indent level is 3 Ammonia or derivative thereof
   [List of Patents for class 502 subclass 27]  27           Subclass 27 indent level is 2 Using acid
    [List of Patents for class 502 subclass 28]  28           Subclass 28 indent level is 3 Organic
   [List of Patents for class 502 subclass 29]  29           Subclass 29 indent level is 2 Organic liquid
    [List of Patents for class 502 subclass 30]  30           Subclass 30 indent level is 3 And gas addition thereto
    [List of Patents for class 502 subclass 31]  31           Subclass 31 indent level is 3 Hydrocarbon
    [List of Patents for class 502 subclass 32]  32           Subclass 32 indent level is 3 Halogen containing
    [List of Patents for class 502 subclass 33]  33           Subclass 33 indent level is 3 Oxygen containing
   [List of Patents for class 502 subclass 34]  34           Subclass 34 indent level is 1 Gas or vapor treating
   [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 Patents for class 502 subclass 38]  38           Subclass 38 indent level is 2 Treating with free oxygen containing gas
    [List of Patents for class 502 subclass 53]  53           Subclass 53 indent level is 2 Elemental hydrogen
    [List of Patents for class 502 subclass 54]  54           Subclass 54 indent level is 2 Ammonia or derivative thereof
    [List of Patents for class 502 subclass 55]  55           Subclass 55 indent level is 2 Steam
    [List of Patents for class 502 subclass 56]  56           Subclass 56 indent level is 1 By heat
   [List of Patents for class 502 subclass 60]  60           ZEOLITE OR CLAY, INCLUDING GALLIUM ANALOGS
    [List of Patents for class 502 subclass 61]  61           Subclass 61 indent level is 1 Gallium containing
    [List of Patents for class 502 subclass 62]  62           Subclass 62 indent level is 1 Including organic component
   [List of Patents for class 502 subclass 63]  63           Subclass 63 indent level is 1 And additional AL or Si containing component
   [List of Patents for class 502 subclass 64]  64           Subclass 64 indent level is 2 Zeolite
    [List of Patents for class 502 subclass 65]  65           Subclass 65 indent level is 3 And rare earth metal (Sc, Y or Lanthanide)containing
    [List of Patents for class 502 subclass 66]  66           Subclass 66 indent level is 3 And Group VIII (Iron Group or Platinum Group) metal containing
    [List of Patents for class 502 subclass 67]  67           Subclass 67 indent level is 3 Mixed zeolites
    [List of Patents for class 502 subclass 68]  68           Subclass 68 indent level is 3 Mixed with clay
    [List of Patents for class 502 subclass 69]  69           Subclass 69 indent level is 3 Heterogeneous arrangement
    [List of Patents for class 502 subclass 70]  70           Subclass 70 indent level is 3 Gelling in presence of zeolite
    [List of Patents for class 502 subclass 71]  71           Subclass 71 indent level is 3 ZSM Type
    [List of Patents for class 502 subclass 72]  72           Subclass 72 indent level is 2 Mixed clays
    [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 Patents for class 502 subclass 74]  74           Subclass 74 indent level is 1 And Group VIII (Iron Group or Platinum Group) containing
    [List of Patents for class 502 subclass 75]  75           Subclass 75 indent level is 1 Including chemical reduction of exchanged cation
    [List of Patents for class 502 subclass 76]  76           Subclass 76 indent level is 1 Coprecipitation
    [List of Patents for class 502 subclass 77]  77           Subclass 77 indent level is 1 ZSM type
    [List of Patents for class 502 subclass 78]  78           Subclass 78 indent level is 1 Mordenite type
    [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 Patents for class 502 subclass 80]  80           Subclass 80 indent level is 1 Clay
   [List of Patents for class 502 subclass 81]  81           Subclass 81 indent level is 2 Acid treating
    [List of Patents for class 502 subclass 82]  82           Subclass 82 indent level is 3 Plural acid treatment
    [List of Patents for class 502 subclass 83]  83           Subclass 83 indent level is 3 Sulfuric or hydrochloric acid
    [List of Patents for class 502 subclass 84]  84           Subclass 84 indent level is 2 And metal, metal oxide, or metal hydroxide
   [List of Patents for class 502 subclass 85]  85           Subclass 85 indent level is 1 Activating treatment
    [List of Patents for class 502 subclass 86]  86           Subclass 86 indent level is 2 Utilizing ammonium ions
    [List of Patents for class 502 subclass 87]  87           Subclass 87 indent level is 1 Support per se
   [List of Patents for class 502 subclass 100]  100           CATALYST OR PRECURSOR THEREFOR
    [List of Patents for class 502 subclass 101]  101           Subclass 101 indent level is 1 Making catalytic electrode, process only
   [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 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 Patents for class 502 subclass 104]  104           Subclass 104 indent level is 3 Preparing catalyst or precursor
    [List of Patents for class 502 subclass 112]  112           Subclass 112 indent level is 3 Containing iodine
    [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 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 Patents for class 502 subclass 117]  117           Subclass 117 indent level is 3 Component B metal is other than titanium or vanadium
   [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)