Patents for C08C 19 - Chemical modification of rubber (5,922)
10/2001
10/18/2001US20010031821 Rubber bases on diolefins
10/18/2001US20010031800 Acid, alkaline chemical and flame resistance, conductivity; used in varnishes, paints, printing, films, adhesives; anti-corrosion resistance
10/10/2001EP0741750B1 Surface treatment of vulcanised rubbers
10/10/2001CN1316455A Uncured rubber composition, rubber formed article and its making method
10/10/2001CA2304501A1 Process for hydrogenating carboxylated nitrile rubber, the hydrogenated rubber and its uses
09/2001
09/27/2001WO2001070832A2 Terminal olefin functionalized macromonomers
09/27/2001WO2001070821A1 Method for preparing coupled polymers
09/27/2001US20010025071 Use of dialkyl polysulfides for mastication of natural and synthetic rubbers
09/27/2001DE10009909A1 Kautschuke mit Polyether-Seitengruppen Rubbers with polyether side groups
09/26/2001EP1135422A1 Silyl-functional living cationic polymers
09/26/2001CN1314919A Process for hydrogenating a conjugated diene polymer
09/25/2001US6294624 Modified diene elastomer and its preparation
09/20/2001US20010023277 Making polymers less sensitive to oxidative degradation; used under bonnets in cars; efficiency; controlling crosslinking
09/18/2001US6291596 Catalyst and process for hydrogenating olefinically unsaturated compound
09/18/2001US6291584 Solution polymerising vinyl aromatic hydrocarbon and conjugated diene in presence of catalyst based on alkali metal to produce alkali metal derivatives of polymer, and neutralising with dicarboxylic acid to prduce copolymer
09/12/2001EP1131156A2 A method for preparing a hydrogenation catalyst system
09/12/2001EP0810237B1 Process for producing epoxidized organic polymer, thermoplastic resin composition, primer composition, unvulcanized rubber composition, rubber moldings, and process for procucing the moldings
09/05/2001EP1130034A2 Rubber with polyether sidechains
09/05/2001EP1032601A4 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
09/01/2001CA2338301A1 Rubbers with polyether side groups
08/2001
08/30/2001WO2001062804A1 Heat-reversible polymers with nitroxide functions
08/30/2001US20010018495 Solution rubbers containing hydroxyl groups
08/29/2001EP1127909A1 Composition of curable rubber, suitable to produce a tire and tire containing this composition
08/29/2001CN1310196A Process for producing natural rubber for pressure-sensitive adhesive and pressure-sensitive adhesive composition based on natural rubber
08/28/2001US6281327 Vinyl aromatic-conjugated diene copolymer
08/28/2001US6281293 Mixture composition of synthetic resin and rubber
08/28/2001US6279632 Reacting siloxane-terminated polymer, after polymerization but still in the presence of an inert solvent, with viscosity stabilizing long chain alcohol, prior to contacting polymer with water
08/24/2001CA2338954A1 Vulcanizable rubber composition that can be used to manufacture tires, and tires including this composition
08/22/2001EP1124863A1 Process for hydrogenating a conjugated diene polymer
08/22/2001CN1309682A Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products
08/22/2001CN1309668A Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: Mannich reaction products
08/22/2001CN1309140A Method for preparing copolymer based on aromatic vinyl compound and conjugated diene
08/21/2001US6277924 Solid golf ball
08/16/2001WO2001058965A1 A process for removing hydrogenation catalyst residue from hydrogenated polymers
08/16/2001US20010014720 Method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes
08/16/2001EP1123940A1 Process for the preparation of a copolymer based on vinyl aromatic monomers and conjugated diene monomers
08/16/2001DE10003743A1 Verfahren zur Herstellung eines Copolymerisats auf der Basis von vinylaromatischen Verbindungen und konjugierten Dienen Process for the preparation of a copolymer based on vinyl aromatic compounds and conjugated dienes
08/14/2001US6274680 Sulfenyl halide polymerization terminators
08/08/2001EP1121352A1 Improved phlegmatization of cyclic ketone peroxides
08/07/2001US6271317 Butadiene-isoprene copolymer, anionic initiators and anionic living polymers
08/07/2001CA2027229C Process for the preparation of dispersant viscosity index improvers
08/02/2001WO2001055223A1 Process for the preparation of a hydrogenated polymer composed of diene monomer units and monomer units containing a nitrile group
08/01/2001EP1120429A1 Process for producing natural rubber for pressure-sensitive adhesive and natural rubber-based pressure-sensitive adhesive composition
08/01/2001EP1119599A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
07/2001
07/28/2001CA2332171A1 Method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes
07/18/2001EP1115749A1 A process for making functionalized polymers
07/17/2001CA2119759C Compositions which can be cross-linked at room temperature, method of preparing them and their use
07/11/2001EP1114068A1 Process for hydrogenation of carbon-carbon double bonds of an unsaturated polymer
07/11/2001EP1114066A1 Process for the hydrogenation of a polymer composed of diene monomer units and nitrile group containing monomer units and hydrogenated polymer
07/04/2001EP1113024A1 Polymer, process for making the polymer, and rubber composition using the polymer
07/04/2001EP0845008B1 Functionalized polybutadiene resins, method for making same and their uses
07/03/2001US6255404 Method to control increase in viscosity during aging of siloxane modified polymers
07/03/2001US6255402 Heat treating elastomer in presence of stable free radical, free-radical initiator which is capable of withdrawing proton from elastomer, and solvent to prepare rubber which carries group which generates stable free radical
06/2001
06/28/2001US20010005739 Coupling living polymer blocks prepared by anionic polymerization using glycidyl ethers such as ethylene glycol, diglycidyl ether, provide high coupling yields for block polymers used as thermoplastic elastomers
06/27/2001EP1110998A1 Composition of curable rubber for the production of tyres and the tyres which tyre tread comprizes such composition
06/27/2001EP1110973A1 Solution-polymerised rubber containing non-polar side chains
06/27/2001EP1110972A1 Use of dialkylpolysulphides for the mastication of natural and synthetic rubbers
06/27/2001CN1300800A Solution poly merized rubber having non-polar side group
06/27/2001CN1300798A Use of dialkyl polysulfide in plastication of natural rubber and synthetic rubber
06/26/2001US6252008 Blends
06/26/2001US6252007 Containing tin compound
06/26/2001US6251993 Moisture curable
06/22/2001CA2328754A1 Use of dialkyl polysulfides for mastication of natural and synthetic rubbers
06/21/2001DE19961522A1 Lösungskautschuke mit unpolaren Seitengruppen Solution rubbers with non-polar side groups
06/20/2001CA2330333A1 Vulcanizable rubber formulation for manufacturing a tire and tire with said formulation in its tread
06/20/2001CA2328631A1 Solution rubbers having nonpolar side groups
06/19/2001US6248702 Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers
06/14/2001WO2001042319A1 A process for hydrogenating unsaturated polymers
06/13/2001CN1067083C Modification of (co) polymers with cyclic ketone peroxides
06/12/2001US6245860 Blend of elastomer and reinforcing filler
06/12/2001CA2125659C Multiple reaction process in melt processing equipment
06/06/2001EP1104774A1 Method for selective hydrogenation of polymer containing conjugated diene
06/06/2001EP0910606B1 Elastomers, processes for their manufacture, and articles made from these elastomers
06/05/2001US6242537 Gel-free process for making hydrogenated functionalized anionically polymerized polymers
05/2001
05/31/2001WO2001038401A1 Method to control increase in viscosity during aging of siloxane modified polymers
05/30/2001CN1296989A Rubber mixture contg. hydroxyl and carboxy dience rubber and sulfur-free cross-linking agent
05/23/2001EP1101789A1 Diene rubber composition containing hydroxyl and/or carboxyl groups and a sulfur free crosslinking agent
05/23/2001DE19956118A1 Kautschukmischungen aus hydroxyl- und carboxylgruppenhaltigen Dienkautschuken und schwefelfreien Vernetzern Rubber mixtures of hydroxyl- and carboxyl-diene rubbers and sulfur-free crosslinking agents
05/22/2001CA2326305A1 Rubber mixtures of diene rubbers containing hydroxyl and carboxyl groups and sulfur-free crosslinking agents
05/17/2001WO2001034659A1 Modified polymers prepared with lanthanide-based catalysts
05/17/2001WO2001034658A1 Modified polymers prepared with lanthanide-based catalysts
05/16/2001EP1099711A2 Modified conjugated diene polymer, method of producing it and rubber composition comprising the same
05/16/2001EP1099710A1 Modified conjugated diene polymer and rubber composition comprising it
05/15/2001US6232381 Stabilization of tin-coupled polymers
05/08/2001US6228952 Process for the hydrogenation of diene (co)polymers
05/08/2001US6228908 Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds
05/08/2001US6228817 Dispersant comprising copolymer of two different conjugated dienes which has been selectively hydrogenated, functionalized, and post treated
04/2001
04/25/2001EP1093490A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products
04/24/2001US6222008 Treatment of polymer solution with acid and ammonia to improve polymer color
04/24/2001CA2047259C Palladium catalyst systems for selective hydrogenation of diene polymers and copolymers
04/19/2001WO2001027199A1 Rubber, crosslinkable rubber composition, and crosslinked object
04/18/2001EP1092735A1 Process for manufacturing high 1,4-CIS polybutadiene containing hydroxyl groups at ends thereof using molecular oxygen
04/18/2001CN1064692C Aminotelechelic partially hydrogenated 1,3-diene oligomers and process for preparation of these compounds
04/17/2001US6218478 Deprotection of polymers prepared with silyloxy protected functional initiators by reaction with hydride reducing agents
04/17/2001US6218477 Modified with at least 5% by weight of maleic anhydride and wherein at least 30% of the anhydride groups are present as imide groups from reaction with an amino carboxylic acid.
04/11/2001EP0714413B1 Polymer modified gums
04/11/2001EP0646138B1 Randomly epoxidized small star polymers
04/03/2001US6211302 Rheology modification of interpolymers of alpha-olefins and vinylidene aromatic monomers
03/2001
03/20/2001US6204338 Polymer bromination process
03/20/2001US6204322 Silica-filled elastomer composition which can be used for tires
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