Patents for C08C 19 - Chemical modification of rubber (5,922)
12/1991
12/10/1991CA1293086C Process for the preparation of a modified elastomeric polymer
12/04/1991EP0458984A1 Novel resin, process for preparing the same, and composition comprising the same
12/03/1991US5070150 Process for the solid state (solventless) hydroxylation of vinyl-containing rubbers using a hydroxymercaptan
11/1991
11/26/1991US5068313 Process for minimizing residual free hydrazine in polymer latices
11/19/1991US5066729 Diene polymers and copolymers terminated by reaction with n-alkyl and n-aryl imines
11/19/1991US5066721 Tires made of silica filled, silane modified rubber
11/15/1991WO1991018025A2 Termination of anionic polymerization
11/13/1991EP0456380A2 Photocurable composition comprising maleic anhydride adduct of polybutadiene or butadiene copolydiene copolymers
11/13/1991EP0455872A1 Vulcanisation process for unsaturated polymers dispersed in water using a vulcanisation system based on sulfur and dithiocarboxylic acids or salts thereof
11/12/1991US5064910 Polymerizaton in solvent using as catalysts, rare earth compounds, organoaluminum compound, lewis acid and base
11/12/1991US5064800 Organolithium Compound, Barium, Strontium or Calcium Alcoholate or Thiolate, Trialkylaluminum
11/06/1991EP0455154A1 Polymer hydrogenation process using ruthenium complexes
11/05/1991CA1291844C Oligomers with polydienic sequences and graft polymers that can be cross-linkedby the light and their applications, particularly as a coating on metals
10/1991
10/22/1991US5059661 Phenolic compounds as chain-terminators for the anionic solution polymerization of dienes
10/18/1991WO1991016362A1 Process for direct addition of acid to polymers
10/18/1991CA2080120A1 Process for direct addition of acid to polymers
10/16/1991EP0451604A2 Diene polymers and copolymers terminated by reaction with n-alkyl and n-aryl imines
10/16/1991EP0451603A2 Elastomers and products having reduced hysteresis
10/15/1991US5057601 Process for producing a gel-free coagulated rubber with low ethylenic unsaturation
10/15/1991US5057582 Hydrogenation of block copolymer of conjugated diene and monoalkenylaromatic hydrocarbon using nickel or cobalt compound with alkyl alumoxane
10/15/1991US5057581 Ruthenium carbonyl complexes containing phosphine ligands used as hydrogenation catalysts
10/15/1991US5057564 Cyclic carbonyl containing polymers
10/15/1991US5057553 Binder of copolymerized butadiene, unsaturated aromatic and conjugated aliphatic monomers with maleic anhydride, also with polyol crosslinkers
09/1991
09/24/1991US5051299 Fibre reinforced belt
09/18/1991EP0447066A1 Pneumatic tyres
09/17/1991US5049621 With maleic acid, ester, anhydride
09/17/1991CA1289044C Pneumatic tire
09/11/1991EP0197104B1 Extrusion process for preparing improved brominated butyl rubber
09/05/1991WO1991013117A1 Ozonolysis of hydrogenated latices
09/04/1991EP0444616A1 Sulfenyl chloride adducts of hydrogenated nitrile rubber
08/1991
08/28/1991EP0260325B1 Diene polymers, process for their preparation, and rubber composition containing them
08/28/1991EP0252992B1 Rubber-like polymers for tire treads, a process for their preparation, and compositions containing said polymers
08/27/1991US5043498 Process for the hydrogenation of conjugated diene polymers having alcoholic hydroxyl groups
08/27/1991US5043455 Crosslinkable rubber composition
08/27/1991US5043395 Cyclized, hydrogenated conjugated diene polymer
08/27/1991US5043394 Sulfenyl chloride adducts of hydrogenated nitrile rubber
08/21/1991EP0442068A2 Benzophenone derivatives and polymers containing phenolic hydroxyl groups
08/14/1991EP0441286A1 Compatibilizing agent and polymer blend composition using the same
08/13/1991US5039755 Treating diolefin (co)polymers with group 1A compound to yield living polymer, endcapping with hydrogen, then catalytic hydrogenation
08/13/1991US5039737 Reducing concentration of residual hydrazine to obtain soluble elastomers
08/08/1991WO1991011473A1 Photocurable resin composition and process for producing photocurable resin
08/08/1991CA2050580A1 Photocurable resin composition and process for the preparation of photocurable resin
07/1991
07/31/1991WO1991011474A1 Photocurable resin composition
07/31/1991WO1991011472A1 Photocurable resin composition
07/31/1991CA2050574A1 Photocurable resin composition
07/31/1991CA2050496A1 Photocurable resin composition
07/25/1991WO1991009061A3 High-temperature oil-resistant elastomers
07/24/1991EP0438286A1 Graft polymer and polyamide composition
07/23/1991US5034470 Molybdenum catalytic epoxidation by reaction with peroxy compounds
07/23/1991US5034469 Ruthenium catalysts for hydrogenation of olefin unsaturated polymers with nitrile groups
07/17/1991WO1991010686A1 Graft polymer and polyamide composition
07/17/1991CA2047758A1 Graft polymer and polyamide composition
07/10/1991CN1013118B High-elastic rubber products gutta percha
07/09/1991US5030779 Hydrogenation catalyst and hydrogenation process wherein said catalyst is used
07/03/1991EP0435544A2 Abrasion-resistant rubber compositions
07/03/1991CN1052680A Anionic polymerization catalyst compositions
07/02/1991US5028665 Group 8 metal on porous support, selective hydrogenation of ethylenic unsaturation
06/1991
06/27/1991WO1991009062A1 Novel resin, process for preparing the same, and composition comprising the same
06/26/1991EP0434469A2 Hydrogenation catalyst composition and process for hydrogenating olefinically unsaturated polymer using the same
06/26/1991EP0434353A2 Rubber compositions
06/26/1991EP0434131A2 Anionic polymerization catalyst compositions
06/26/1991EP0433808A2 Process for vulcanising polychloroprene
06/25/1991CA1285285C Process for the preparation of an azidosulphonylbenzoic acid
06/23/1991CA2032860A1 Process for the vulcanization of polychloroprene
06/22/1991CA2032664A1 Anionic polymerization catalyst compositions
06/19/1991EP0432417A2 Tyre treads with an increased running performance, and method of manufacturing the same
06/15/1991WO1991009061A2 High-temperature oil-resistant elastomers
06/15/1991CA2071642A1 High temperature oil-resistant elastomers
05/1991
05/28/1991US5019319 Golf ball
05/21/1991US5017660 Selectively, partially hydrogenated polymer and rubber composition and impact resistant styrenic resin containing the same
05/21/1991US5017636 Also containing polyisoprene, natural rubber, butadiene-styrene copolymer, wear and heat resistance, resilience
05/16/1991WO1991006580A1 Crosslinkable polymers
05/16/1991WO1991006579A1 Process for producing a gel-free coagulated rubber with low ethylenic unsaturation
05/16/1991CA2073004A1 Process for producing a gel free coagulated rubber with low ethylenic unsaturation
05/15/1991EP0426774A1 Silyl terminated polymers
05/14/1991US5015692 Rubbers for tires having impact strength
05/07/1991US5013797 Nitrile group-containing highly saturated copolymer rubber and rubber composition having improved cold resistance
05/07/1991US5013796 Units of unsaturated nitrile, fluorine-containing vinyl monomer, conjugated diene, hydrogenated conjugated diene
05/07/1991CA1283995C Anionic polymerization process
05/07/1991CA1283989C Resin cure
04/1991
04/24/1991EP0423571A1 Branched copolymers
04/18/1991WO1991004993A1 Functionalization of polymeric organolithium compounds by carbonation
04/17/1991EP0422728A1 Process for the preparation of dispersant viscosity index improvers
04/17/1991EP0422630A2 Fibre reinforced belt
04/03/1991EP0420793A1 Phenolic compounds as chainstoppers for the anionic polymerisation in solution of dienes
04/03/1991EP0420006A1 Process for preparing a polychloroprene with moderate viscosity
04/03/1991EP0419952A1 Process for preparing moderate viscosity hydrogenated nitrile rubber
03/1991
03/30/1991CA2026353A1 Process for the production of polychloroprene of moderate viscosity
03/27/1991EP0418556A1 Process for preparing rubber
03/27/1991CA2026094A1 Process for the preparation of moderately viscous hydrogenated nitrile rubber
03/21/1991WO1991003498A1 Polymerizable oligomers and coatings based on butadiene
03/20/1991EP0418118A1 Polymers containing thiurame disulfide groups and preparation thereof
03/19/1991US5001199 Selective hydrogenation process
03/19/1991US5001196 Process for preparation of diene type polymer rubber
03/15/1991CA2025251A1 Polymers containing thiuram disulfide groups; process for preparing the same
03/12/1991US4999405 Butadiene-vinylpyridine copolymer, adhesives, binders, films
03/09/1991CA2024730A1 Polymerizable oligomers based on difunctional butadiene oligomers of high 1,2-butylene content and coatings containing the same
03/01/1991CA2024121A1 Process for the production of rubbers
02/1991
02/26/1991US4996273 Anionic polymerization catalyst compositions
02/26/1991US4996263 Reacting maleic anhydride with polydiene rubbers, then grafting nylons
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