Patents for C08C 19 - Chemical modification of rubber (5,922)
12/2004
12/01/2004EP0883632A4 Higher modulus compositions incorporating particulate rubber
12/01/2004CN1177874C Process for producing hydrogenated rubbers
11/2004
11/30/2004US6825306 Functionalized monomers for synthesis of rubbery polymers
11/30/2004CA2039952C Elastomers and products having reduced hysteresis
11/25/2004WO2004101669A1 Rubber composition containing modified conjugated diene polymer bonded to fullerene
11/25/2004US20040236167 Synthetic polymers with highly-functionalized liquid-rubber chain-end moieties
11/25/2004US20040236029 Molecular weight of 30,000-250,000, a Mooney viscosity of 3-50, and a polydispersity index of less than 2.5; use in the manufacture of shaped articles, such as seals, hoses, bearing pads, stators, well head seals, valve plates, cable sheathings, wheels, rollers, pipe seals or footwear components.
11/25/2004US20040235647 adding less than one equivalent of a chain extension agent to a protected functionalized initiator can be sufficient to significantly increase the solubility of the initiator in hydrocarbon solutions
11/24/2004EP1479698A1 Method for producing modified conjugated diene polymer and rubber composition
11/24/2004CN1549831A Polymer hydrogenation process
11/18/2004US20040230010 Catalytic solution polymerization of 1,3-butadiene or a butadiene derivative, adding the polyisocyante and polyol compounds to polymerize the polyurethane portion; low cold flow, high affinity to silica or carbon black in admixture, excellent elasticity and abrasion resistance
11/17/2004EP1476478A1 Process for the preparation of a functionalized polymers and intermediate products, compositions and shaped parts
11/16/2004CA2101688C Catalytic solution hydrogenation of nitrile rubber
11/11/2004WO2004096865A2 Method for obtaining an elastomer graft with functional groups along the chain and rubber compositions
11/10/2004CN1545524A Ethylene/vinyl alcohol copolymer and process for producing the same
11/10/2004CN1544565A Granulating process for thiofide CBS and preparing method thereof
11/09/2004US6815509 Recyclying polymer solutions for steady processing
11/09/2004US6815487 Composition for a tire tread and process for its preparation
11/09/2004US6815473 Rubber composition usable as a tire tread
11/09/2004CA2101690C Catalytic hydrogenation of nitrile rubber
11/09/2004CA2101687C Nitrile rubber hydrogenation
11/04/2004WO2004094513A1 Rubber reduction
11/04/2004US20040220315 Composition for a tire tread and process for its preparation
11/04/2004DE10314893A1 Verfahren zur Oberflächenaktivierung und/oder Oberflächendevulkanisation von schwefelvernetzten Gummipartikeln Process for surface activation and / or Oberflächendevulkanisation of sulfur cross-linked rubber particles
11/02/2004US6812307 Functionalized monomers for synthesis of rubbery polymers
11/02/2004US6812295 Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same
10/2004
10/28/2004US20040214906 Rubber reduction
10/27/2004EP1471081A1 Organic particles and powder coating material
10/26/2004US6809155 Unsaturated compounds containing silane, electron donor and electron acceptor functionality
10/22/2004CA2426253A1 Rubber reduction
10/21/2004WO2004090060A2 Building sealant composition
10/20/2004CN1537794A Manufacturing method of dissepimentarium for luggage conweying line of airport
10/20/2004CN1171932C Process for producing nautral rubber for pressure-sensitive adhesive and pressure-sensitive adhesive composition based on natural rubber
10/19/2004US6806321 Producing material for fuel conservative motorcar tires; catalytic polymerization of conjugated diene and aromatic vinyl monomers then reacting with ketone derivative
10/19/2004US6806307 Vulcanizable elastomers; pneumatic tires
10/19/2004CA2155619C Shaped masticating agents containing paraffin
10/14/2004WO2004087799A1 Process for surface activation and/or devulcanisation of sulphur-vulcanised rubber particles
10/14/2004WO2004076492A3 Rubber treatment method
10/14/2004US20040204550 Ethylene/vinyl alcohol copolymer and process for producing the same
10/14/2004CA2521255A1 Process for surface activation and/or devulcanisation of sulphur-vulcanised rubber particles
10/13/2004EP1466936A1 Recyclable polymers, processes for their production, and recycling process
10/05/2004US6800725 Catalytic hydrogenation of polymer; discoloration inhibition, oxidation resistance
10/05/2004US6800689 Copolymerization of conjugated and aromatic olefin monomers, in the presence of group ia compounds, solvents, ethylene glycol diethyl ether and tetrahydrofuran, then coupling with silicon chloride to form silicone rubbers
10/05/2004US6800582 Polymerizing at least one diene monomer by means of a lithium catalytic system comprising least one hydrocarbon solvent, one compound of a iiia group metal, one compound of an alkaline earth metal and aminolithium initiator
09/2004
09/29/2004EP1461367A1 Synthesis and use of chain-coupled polymeric sulfide compounds in rubber formulations
09/28/2004US6797787 Epoxidation using aqueous solution of hydrogen peroxide
09/28/2004US6797783 Modified natural rubber
09/16/2004DE102004010671A1 Datenübertragungssystem und Insassenschutzvorrichtung Data transmission system and occupant protection device
09/15/2004EP1457501A1 Conjugated diolefin polymer rubber process for producing polymer rubber rubber composition composite and tire
09/15/2004EP1456251A1 Photocurable organic polymer composition
09/15/2004CN1529721A Diene elastmer with cyclic vinyl units and method for obtaining same
09/15/2004CN1166730C Rheology modification of polymers prepared using metallocenes
09/14/2004US6790920 Using aluminas, silicon-aluminas, ion exchange resins, zeolite y, in the production of telechelic polymers
09/10/2004WO2004076492A2 Rubber treatment method
09/09/2004US20040176892 Data transmission system and occupant protection device
09/09/2004US20040176545 Electrophiles for telechelic polymers
09/08/2004EP1454924A1 Method of hydrogenating conjugated diene polymer, hydrogenation catalyst system, and composition of basic conjugated diene polymer
09/08/2004EP1453869A2 Microstructure modifier for anionic polymerization
09/07/2004CA2062193C Functionalized polymers
09/02/2004US20040171742 Solventless method for preparation of carboxylic polymers
09/02/2004DE10307139A1 Vernetzte- und Amino(meth)acrylatgruppen modifizierte Kautschukpartikel Vernetzte- and amino (meth) acrylate-modified rubber particles
09/01/2004EP1451246A1 Rubber composition for running tread and method for obtaining same
08/2004
08/26/2004US20040166317 improved mechanical properties, an improvement in the product of the tensile modulus at 300% elongation and elongation at break ( sigma 300x epsilon b)
08/25/2004EP1449875A1 Crosslinked rubber particles modified with amino(meth)acrylate groups
08/25/2004EP1449873A1 Rubber composition comprising nitrile copolymer rubber, metal salt of ethylenically unsaturated carboxylic acid, and organic peroxide, and vulcanizate thereof
08/25/2004EP1449857A1 Conjugated diene polymer, process for its production and rubber compositions containing the same
08/25/2004EP1449643A1 Composite molding with adhesive composition layer comprising conjugated diene polymer having cyclic structure, and coating material
08/25/2004EP1448620A1 Supported bis(phosphorus)ligands and their use in the catalysis
08/25/2004EP1448609A1 Process for crosslinking carboxylated nitrile rubber, hydrogenating carboxylated nitrile rubber, the crosslinked rubber and its'uses
08/24/2004US6780939 Low molecular weight hydrogenated nitrile rubber
08/20/2004CA2458120A1 Crosslinked rubber particles modified by amino(meth)acrylate groups
08/17/2004US6777502 Coupling polyolefin with polysulfonylazide compound
08/12/2004WO2004067590A1 Cyclized rubber and process for producing the same
08/12/2004DE102004004557A1 Verfahren zur Herstellung von modifiziertem Dienpolymerkautschuk A method of preparing modified diene polymer rubber
08/11/2004EP0818478B1 Styrene-isoprene-butadiene copolymer rubber and process for the production thereof
08/05/2004WO2004065478A1 Rubber compound for tire tread and method for the preparation thereof
08/05/2004WO2004065427A1 Polar group-containing cyclized rubber and method for producing same
08/05/2004US20040152845 Polymerization of diene with aromatic compounds and a compound of diene and aromatic olefin reacting an alkali metal end group
08/05/2004US20040152836 Polymers with oxygen stability, heat resistance, radiation resistance and ozone resistance for polymers such as polybutadiene modified with sulfur or sulfoxide groups
08/04/2004EP1226186A4 Dispersants and dispersant viscosity index from selectively hydrogenated polymers: mannich reaction products
08/03/2004US6770587 Chain extended functionalized initiators and methods of preparing and using the same
07/2004
07/29/2004WO2004063230A1 Cyclized rubber and process for producing the same
07/29/2004US20040147696 Higher molecular weight and cyclic content; solution anionic polymerization using organolithium initiator and polar agent
07/29/2004US20040147694 Producing wear resistant, reduced cold flow material; storage stability, processability; employing catalyst system comprised of such as neodymium octanoate, acetylacetone, methylaluminoxane, diisobutylaluminum hydride and diethylaluminum chloride
07/29/2004US20040147686 Process for preparing hydrogenated conjugated diene block copolymers
07/28/2004EP1440096A1 Process for the preparation of low molecular weight hydrogenated nitrile rubber
07/27/2004US6767969 Conjugated diene-vinyl copolymer; mechanical strength, heat resistance, weatherability, melt processaility; impact strength, moldability; films, sheets
07/21/2004EP1439194A1 Amino-terminated polybutadienes
07/21/2004EP1124863B1 Process for hydrogenating a conjugated diene polymer
07/21/2004CN1514852A Low molecular weight hydrogenated nitrile rubber
07/21/2004CN1158311C Process for hydrogenating conjugated diene polymer
07/20/2004US6765065 Process for producing modified polymer rubber
07/15/2004US20040138380 Formed from hydroxy-terminated polybutadienes enable improved weatherability when reacted with polyisocyanates, epoxides, anhydride functional polymers, phenolics, or multifunctional carboxylic acid or ester derivatives
07/14/2004CN1511855A Process for low molecular weight hydro nitrile-butadiene rubber
07/14/2004CN1157418C Process for removing hydrogenation catalyst residue from hydrogenated polymers
07/08/2004US20040132917 Process for the hydrogenation of homopolymers and copolymers of conjugated dienes
07/08/2004US20040132916 Hydrogenation conjugated diene polymer using lithium hydride and organotitanium compound
07/08/2004US20040132891 Process for the preparation of low molecular weight hydrogenated nitrile rubber
07/07/2004EP1435362A1 Process for polymer hydrogenation using lithium hydride prepared from reactor equipped with high-speed injection nozzle
07/07/2004CN1510060A Sol rubber with nonpolar side group
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