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| Class 526 | SYNTHETIC 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 Pre Grant Publications for class 526 subclass 59]](../as.gif) | ![[List of Patents for class 526 subclass 59]](../ps.gif) | 59 |  EFFECTING A CHANGE IN A POLYMERIZATION PROCESS IN RESPONSE TO A MEASUREMENT OR TEST |
| | 60 |  Change responsive to composition property other than density |
| | 61 | Change responsive to pressure or temperature |
| | 62 | POLYMERIZING IN REACTOR OF SPECIFIED MATERIAL, OR IN REACTOR IN WHICH SURFACE CONTACTING POLYMERIZING MATERIAL HAS BEEN TREATED |
| | 63 | POLYMERIZING IN PRESENCE OF INERT SOLID MASSES SO AS TO HEAT, COOL, OR GRIND POLYMERIZING MASS |
| | 64 | POLYMERIZING IN TUBULAR OR LOOP REACTOR |
| | 65 | POLYMERIZING IN TWO OR MORE PHYSICALLY DISTINCT ZONES |
| | 67 | REMOVING AND RECYCLING REMOVED MATERIAL FROM AN ONGOING POLYMERIZATION ZONE TO A POLYMERIZATION ZONE |
| | 71 | REMOVING ONLY NONPOLYMERIZED OR NONPOLYMERIZABLE MATERIAL DURING POLYMERIZATION PROCESS |
| | 72 | POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING |
| | 73 | Polymerization involving two or more specified temperature or pressure conditions |
| | 74 | Utilizing material during polymerization to prevent or remove reactor buildup, e.g., fouling, clogging, etc. |
| | 75 | Including step of synthesis of monomer or pre-polymer |
| | 77 | Including step of purifying monomer |
| | 78 | Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge |
| | 79 |  Adding in an incremental or sequential manner |
| | 82 | Adding polymerization inhibitor or terminator, e.g., short-stopper, etc. |
| | 83 |  Added material contains nitrogen compound |
| | 84 | Added material contains oxygen compound |
| | 85 | Added material contains sulfur atom |
| | 86 | Adding catalyst or catalyst component |
| | 87 | Adding monomer |
| | 88 | Polymerization involving specified mixing, stirring, agitating, or movement of material |
| | 89 | Polymerizing in the presence of a specified material other than monomer |
| | 90 | Material contains transition metal or compound thereof |
| | 91 | In presence of water |
| | 95 | Material contains transition metal oxide (other than peroxide) |
| | 96 |  Contains elemental transition metal or a non-oxide compound of a transition metal |
| | 97 |  Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond |
| | 98 | Contains non-metallic halogen-containing material |
| | 99 | Contains compound containing aluminum to halogen bond and wherein the same aluminum atom is not bonded to a hydrogen or carbon atom |
| | 100 | Contains non-metal organic N, O, S or P containing compound |
| | 101 | Two or more transition metal oxides, at least two of said oxides being other than oxides of Ti, Zr, Hf, or Th |
| | 102 | Contains non-transition heavy metal or compound thereof |
| | 103 | Group VIII metal oxide (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) |
| | 104 | Group VIB metal oxide (Cr, Mo, W) |
| | 105 | Contains non-transition elemental metal, hydride thereof, or nontransition metal to carbon atom bond |
| | 106 | Metal oxide is of chromium |
| | 107 | Group IVB metal oxide (Ti, Zr, Hf) |
| | 108 | Contains one or more elemental transition metal atoms |
| | 109 | With peroxy compound (-O-O-) |
| | 110 | With non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond |
| | 112 | With transition metal compound |
| | 113 | Two or more diverse transition metal atoms in distinct compounds or in the same compound |
| | 114 | Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond |
| | 115 | Contains Group VIII metal atom (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) |
| | 116 | At least one Group IVB metal atom (Ti, Zr, Hf) and at least one Group VB meta l (V, Nb, Ta) |
| | 117 | Contains Group VIII metal atom (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) |
| | 118 | Material contains two or more different compounds of same transition metal |
| | 119 | Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond |
| | 120 | Material contains compound of non-transition heavy metal wherein non-transition heavy metal is not bonded to hydrogen or carbon |
| | 121 | Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond |
| | 123.1 | 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 |
| | 124.1 | Contains nontransition elemental metal, hydride thereof, or carbon to non-transition metal atom bond |
| | 124.2 | Contains a magnesium compound as the Group IIA metal compound |
| | 124.3 |  Contains at least one additional specified material |
| | 124.4 |  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 |
| | 124.5 | Contains Si or Al inorganic oxygen-containing compound |
| | 124.7 | Contains at least two non-transition elemental metals, hydrides thereof, or compounds containing carbon to non-transition metal atom bond, or mixtures thereof |
| | 124.9 | Contains organic non-metal containing B, Si, N, P, or chalcogen material |
| | 125.1 |  Contains organic Al compound containing no H to aluminum or C to aluminum bonds |
| | 125.2 | Contains compound containing only C, H and halogen atoms or only C and halogen atoms |
| | 125.3 | Contains organic non-metal containing B or Si material |
| | 125.4 | Contains at least one inorganic material having no H to metal bonds |
| | 125.6 | Contains at least two organic non-metal containing N, P, or chalcogen materials |
| | 125.7 | Contains compound containing only C, H and halogen atoms or only C and halogen atoms |
| | 125.8 | Contains at least one inorganic material having no H to metal bonds |
| | 126 | Material contains silicon atom |
| | 127 | Contains non-transition free metal, hydride thereof, or carbon to non-transition metal atom bond |
| | 128 | Silicon present in organic non-metal compound |
| | 129 | Silicon present in inorganic oxygen-containing compound |
| | 130 | Silicon present in inorganic oxygen-containing compound |
| | 131 | Material contains boron atom |
| | 132 | Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond |
| | 134 | Boron compound contains boron bonded to hydrogen or to carbon atom |
| | 135 | With non-metal N, P, O, S, Se, Te, or halogen material other than nitrogen gas |
| | 136 | Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond |
| | 137 | Non-metal material is inorganic halogen-containing material |
| | 138 | Non-metal material is inorganic oxygen-containing material |
| | 139 | Non-metal material is organic phosphorus-containing compound |
| | 140 | Non-metal material is organic sulfur-containing compound |
| | 141 | Non-metal material is organic nitrogen-containing compound |
| | 142 | Non-metal material is organic oxygen-containing compound |
| | 144 | Non-metal material is organic halogen-containing compound |
| | 145 | Non-metal phosphorus-containing material |
| | 146 | Non-metal sulfur-containing material |
| | 147 | Non-metal nitrogen-containing material |
| | 148 | Contains two or more diverse non-transition elemental metals, different non-transition hydride compounds, different carbon to non transition metal compounds, or mixture thereof |
| | 149 | At least one atom of As, Sb, or Bi, in elemental form or bonded to hydrogen or carbon atom |
| | 150 | At least one atom of Ge, Sn, or Pb in elemental form or bonded to hydrogen or carbon atom |
| | 151 | At least one atom of Group IIIA metal (Al, Ga, In, Tl) in elemental form or bonded to hydrogen or carbon atom |
| | 154 |
