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[Search a list of Patent Appplications for class 526]  Class   526SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
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This Class 526 is considered to be an integral part of Class 520 (see the Class 520 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 520
                SYNTHETIC RESINS (CLASS 520, SUBCLASS 1)
   [List of Patents for class 526 subclass 59]  59           Subclass 59 indent level is 1 EFFECTING A CHANGE IN A POLYMERIZATION PROCESS IN RESPONSE TO A MEASUREMENT OR TEST
    [List of Patents for class 526 subclass 60]  60           Subclass 60 indent level is 2 Change responsive to composition property other than density
    [List of Patents for class 526 subclass 61]  61           Subclass 61 indent level is 2 Change responsive to pressure or temperature
    [List of Patents for class 526 subclass 62]  62           Subclass 62 indent level is 1 POLYMERIZING IN REACTOR OF SPECIFIED MATERIAL, OR IN REACTOR IN WHICH SURFACE CONTACTING POLYMERIZING MATERIAL HAS BEEN TREATED
    [List of Patents for class 526 subclass 63]  63           Subclass 63 indent level is 1 POLYMERIZING IN PRESENCE OF INERT SOLID MASSES SO AS TO HEAT, COOL, OR GRIND POLYMERIZING MASS
    [List of Patents for class 526 subclass 64]  64           Subclass 64 indent level is 1 POLYMERIZING IN TUBULAR OR LOOP REACTOR
   [List of Patents for class 526 subclass 65]  65           Subclass 65 indent level is 1 POLYMERIZING IN TWO OR MORE PHYSICALLY DISTINCT ZONES
    [List of Patents for class 526 subclass 66]  66           Subclass 66 indent level is 2 Adding material to polymerization zone in an incremental or sequential manner
   [List of Patents for class 526 subclass 67]  67           Subclass 67 indent level is 1 REMOVING AND RECYCLING REMOVED MATERIAL FROM AN ONGOING POLYMERIZATION ZONE TO A POLYMERIZATION ZONE
    [List of Patents for class 526 subclass 68]  68           Subclass 68 indent level is 2 Recycling monomer
    [List of Patents for class 526 subclass 69]  69           Subclass 69 indent level is 2 Recycling catalyst
    [List of Patents for class 526 subclass 70]  70           Subclass 70 indent level is 2 Recycling diluent
    [List of Patents for class 526 subclass 71]  71           Subclass 71 indent level is 1 REMOVING ONLY NONPOLYMERIZED OR NONPOLYMERIZABLE MATERIAL DURING POLYMERIZATION PROCESS
   [List of Patents for class 526 subclass 72]  72           Subclass 72 indent level is 1 POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING
    [List of Patents for class 526 subclass 73]  73           Subclass 73 indent level is 2 Polymerization involving two or more specified temperature or pressure conditions
    [List of Patents for class 526 subclass 74]  74           Subclass 74 indent level is 2 Utilizing material during polymerization to prevent or remove reactor buildup, e.g., fouling, clogging, etc.
   [List of Patents for class 526 subclass 75]  75           Subclass 75 indent level is 2 Including step of synthesis of monomer or pre-polymer
    [List of Patents for class 526 subclass 77]  77           Subclass 77 indent level is 2 Including step of purifying monomer
   [List of Patents for class 526 subclass 78]  78           Subclass 78 indent level is 2 Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge
    [List of Patents for class 526 subclass 88]  88           Subclass 88 indent level is 2 Polymerization involving specified mixing, stirring, agitating, or movement of material
   [List of Patents for class 526 subclass 89]  89           Subclass 89 indent level is 2 Polymerizing in the presence of a specified material other than monomer
   [List of Patents for class 526 subclass 90]  90           Subclass 90 indent level is 3 Material contains transition metal or compound thereof
   [List of Patents for class 526 subclass 91]  91           Subclass 91 indent level is 4 In presence of water
   [List of Patents for class 526 subclass 95]  95           Subclass 95 indent level is 4 Material contains transition metal oxide (other than peroxide)
   [List of Patents for class 526 subclass 108]  108           Subclass 108 indent level is 4 Contains one or more elemental transition metal atoms
   [List of Patents for class 526 subclass 113]  113           Subclass 113 indent level is 4 Two or more diverse transition metal atoms in distinct compounds or in the same compound
   [List of Patents for class 526 subclass 118]  118           Subclass 118 indent level is 4 Material contains two or more different compounds of same transition metal
   [List of Patents for class 526 subclass 120]  120           Subclass 120 indent level is 4 Material contains compound of non-transition heavy metal wherein non-transition heavy metal is not bonded to hydrogen or carbon
   [List of Patents for class 526 subclass 123.1]  123.1           Subclass 123.1 indent level is 4 Material contains compound of Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA (Be, Mg, Ca, Sr, Ba, Ra) metal wherein IA or IIA metal is not bonded to hydrogen or to carbon
   [List of Patents for class 526 subclass 124.1]  124.1           Subclass 124.1 indent level is 5 Contains nontransition elemental metal, hydride thereof, or carbon to non-transition metal atom bond
   [List of Patents for class 526 subclass 124.2]  124.2           Subclass 124.2 indent level is 6 Contains a magnesium compound as the Group IIA metal compound
   [List of Patents for class 526 subclass 124.3]  124.3           Subclass 124.3 indent level is 7 Contains at least one additional specified material
    [List of Patents for class 526 subclass 124.4]  124.4           Subclass 124.4 indent level is 8 Contains two or more magnesium compounds having no H to magnesium or C to magnesium bonds or at least one additional said Group IA or IIA compound
   [List of Patents for class 526 subclass 124.5]  124.5           Subclass 124.5 indent level is 8 Contains Si or Al inorganic oxygen-containing compound
   [List of Patents for class 526 subclass 124.7]  124.7           Subclass 124.7 indent level is 8 Contains at least two non-transition elemental metals, hydrides thereof, or compounds containing carbon to non-transition metal atom bond, or mixtures thereof
   [List of Patents for class 526 subclass 124.9]  124.9           Subclass 124.9 indent level is 8 Contains organic non-metal containing B, Si, N, P, or chalcogen material
    [List of Patents for class 526 subclass 125.7]  125.7           Subclass 125.7 indent level is 8 Contains compound containing only C, H and halogen atoms or only C and halogen atoms
    [List of Patents for class 526 subclass 125.8]  125.8           Subclass 125.8 indent level is 8 Contains at least one inorganic material having no H to metal bonds
   [List of Patents for class 526 subclass 126]  126           Subclass 126 indent level is 4 Material contains silicon atom
   [List of Patents for class 526 subclass 131]  131           Subclass 131 indent level is 4 Material contains boron atom
   [List of Patents for class 526 subclass 135]  135           Subclass 135 indent level is 4 With non-metal N, P, O, S, Se, Te, or halogen material other than nitrogen gas