US Patent Class 526
SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
*  DF  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
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CROSS-REFERENCE ART COLLECTIONS
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901  DF  MONOMER POLYMERIZED IN VAPOR STATE IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST
902  DF  MONOMER POLYMERIZED IN BULK IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST
903  DF  MONOMER POLYMERIZED IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST AND HYDROCARBON ADDITIVE AFFECTING POLYMER PROPERTIES OF CATALYST ACTIVITY
904  DF  MONOMER POLYMERIZED IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST AT LEAST PART OF WHICH IS SUPPORTED ON A POLYMER; E.G., PREPOLYMERIZED CATALYSTS, ETC.
905  DF  POLYMERIZATION IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST IN PRESENCE OF HYDROGEN
906  DF  COMMINUTION OF TRANSITION METAL CONTAINING CATALYST
907  DF  SPECIFIED MEANS OF REACTING COMPONENTS OF TRANSITION METAL CATALYST
908  DF  CONTAINING CATALYST OF SPECIFIED PARTICLE SIZE
909  DF  POLYMERIZATION CHARACTERIZED BY PARTICLE SIZE OF PRODUCT
910  DF  SUSPENDING AGENTS
911  DF  EMULSIFYING AGENTS
912  DF  REACTION MEDIUM PURIFICATION
913  DF  VAPOR PHASE POLYMERIZATION IN ABSENCE OF TRANSITION METAL CONTAINING CATALYST
914  DF  POLYMER DEGRADATION
915  DF  REDOX CATALYST
916  DF  INTERPOLYMER FROM AT LEAST THREE ETHYLENICALLY UNSATURATED MONOOLEFINIC HYDROCARBON MONOMERS
917  DF  MANIPULATIVE PROCESSES INVOLVING A SULFUR-CONTAINING TREATING AGENT
918  DF  POLYMERIZATION REACTORS FOR ADDITION POLYMER PREPARATION
919  DF  CATALYST INJECTION TECHNIQUE IN ADDITION POLYMERIZATION PROCESSES
920  DF  APPARATUS FOR USE IN ADDITION POLYMERIZATION PROCESSES
921  DF  TIME CYCLE USED IN ADDITION POLYMERIZATION PROCESS CONTROL
922  DF  POLYMERIZATION PROCESS OF ETHYLENIC MONOMERS USING MANIPULATIVE TECHNIQUE
923  DF  ETHYLENIC MONOMERS CONTAINING AT LEAST ONE SALT GROUP
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*Note. The following.........*
*subclasses pertain only to..*
*subclasses 317.1 and 318.1..*
*to 318.5. ..................*
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930  DF  WATER SWELLABLE OR HYDROPHILIC
931  DF  PRESSURE SENSITIVE ADHESIVE
932  DF  THICKENER OR DISPERSANT FOR AQUEOUS SYSTEM
933  DF  DETERGENT PROPERTY OR LUBRICANT ADDITIVE
934  DF  ELECTRODEPOSIT, E.G., ELECTROPHORETIC, XEROGRAPHIC, ETC.
935  DF  HOT MELT ADHESIVE
936  DF  PHYSIOLOGICAL USE, E.G., PHARMACEUTICAL, VETERINARY, DENTAL, ETC.
937  DF  OPTICAL CLARITY
938  DF  RUBBERY PROPERTY
939  DF  MOSITURE PROOF OR HYDROPHOBIC
940  DF  HIGH SOFTENING TEMPERATURE, E.G., EXPOSURE TO BOILING WATER, BOILABLE, ETC.
****************************** *NOTE. The following........* *subclass pertains only to...* *Subclasses 124.2 to 125.8...* ******************************
941  DF  HAVING THE TRANSITION METAL BONDED DIRECTLY TO CARBON
942  DF  POLYMERIZATION IN THE PRESENCE OF A LIQUID CO2 DILUENT
943  DF  POLYMERIZATION WITH METALLOCENE CATALYSTS