Patents
Patents for C08F 297 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer (8,367)
05/2003
05/21/2003EP1312384A1 Process for producing medical devices
05/21/2003EP1311650A1 Adhesive material based on block copolymers having a structure p(a/c)-p(b)-p(a/c)
05/21/2003EP1311649A1 Adhesive material based on block copolymers having a p(a)-p(b)-p(a) structure
05/21/2003EP1311612A1 Reactor alloy of syndiotactic polystyrene having high impact resistance
05/21/2003EP1311564A1 Production of polypropylene having improved properties
05/21/2003CN1419569A Method of polymerizing olefin
05/20/2003US6566454 Adding to the crude petroleum a block copolymer for lowering the gel point
05/20/2003US6566446 Ethylene interpolymer polymerizations
05/20/2003US6565763 Method for manufacturing porous structure and method for forming pattern
05/15/2003WO2003040204A1 Propylene block copolymer
05/14/2003EP1310513A1 Block copolymer, process for producing the same, and molded object
05/14/2003EP1169367B1 Polymerisation of ethylene
05/14/2003CN1417236A Modified propylene polymer, composition containing the polymer and its use
05/14/2003CN1108324C Nine block copolymer of butadiene, isoprene and styrene, and method for prepn. of same
05/14/2003CN1108323C Seven block co-polyer of isoprene, butadiene and styrene, and method for prepn. of same
05/14/2003CN1108322C Seven block co-polymer of butadiene, isoprene and styrene, and method for prepn. of same
05/14/2003CN1108321C Three block-co-polymer of isoprene-butadiene-isoprene, and prepn. method thereof
05/14/2003CN1108320C Preparation of block copolymer of butadiene, isoprene and styrene
05/13/2003US6562930 Also block copolymers containing block(s) of the syndiotactic polypropylene and block(s) of poly(ethylene-co-propylene) and/or poly(alpha-olefin-co-propylene)
05/13/2003US6562923 Process for the preparation of a dilithiated initiator usable in anionic polymerization, a process for the preparation by anionic polymerization of a living diene elastomer which is provided with a carbon-lithium group at the chain end
05/13/2003US6562915 Method for carrying out radical ethylene high-pressure polymerization while preventing undesired polymer deposits
05/08/2003WO2003037946A2 Method of preparing block copolymers for tyre tread compositions and the copolymers thus prepared
05/08/2003WO2002060970A3 High diblock content tpe with functional termination
05/08/2003US20030088032 Containing at least two blocks of a non-conjugated polymer, especially those containing functional groups that can undergo further polymerization
05/08/2003US20030088029 Copolymers prepared by using both anionic polymerization techniques and coordination catalysts
05/08/2003US20030088022 Propylene homopolymer composition having a molecular weight distribution in the range from greater than 4.0, and hexane extractables of less than 2.0 wt %.
05/08/2003US20030088004 Comprising at least two S polymer blocks comprising vinyl aromatic hydrocarbon monomer units, and at least one B polymer block with butadiene and/or isoprene units; heat resistance
05/07/2003EP1308470A2 Modified propylene polymer, composition containing the same and use thereof
05/07/2003EP1307494A1 A process for coupling styrenic block copolymers
05/07/2003EP0842962B1 Thermoplastic elastomeric block copolymers and process for the preparation thereof
05/07/2003CN1416436A Process for removing hydrogenation catalyst residue from hydrogenated polymers
05/01/2003US20030083446 Polymerizing conjugated diene in the presence of an organometallic initiator to a conversion of 90% complete, adding a coupling agent at a ratio of .3-.6 coupling equivalents to initiator
05/01/2003US20030083435 Golf ball
04/2003
04/30/2003CN1107084C Propylene terpolymers and process for production thereof
04/30/2003CN1107079C Preparation for catalyst for hydrogenation of styrene-butadieno copolymer
04/30/2003CN1107076C New polypropylene composition with broad MWD
04/29/2003US6555637 Anionic polymerization process, and process for producing a polymer by the anionic polymerization process
04/29/2003US6555635 Preparation of vinyl-containing macromers
04/24/2003WO2003033587A1 Physical blends of polyethylenes
04/24/2003WO2003033560A1 Transparent rubber-modified copolymer resin and resin composition containing the same
04/24/2003US20030078350 Propylene polymers incorporating polyethylene macromers
04/23/2003EP1304353A1 Physical blends of polyethylenes
04/23/2003EP1056790B1 Method for retarded anionic polymerization
04/23/2003EP1054913B1 Method for the production of polymers from n-vinyl compounds
04/23/2003EP1028985B1 propylene polymers and products thereof
04/23/2003EP0985674B1 Organic compounds containing silicon or germanium, transition metal complexes, catalyst for alpha-olefin polymerization, and processes for producing alpha-olefin polymers
04/23/2003CN1412212A Preparation method of double functionality lithium system initiator
04/23/2003CN1106408C Propylene polymer incorporating macromers
04/22/2003US6552149 Propylene terpolymers
04/22/2003US6552146 Composition comprising polymers having a star structure, the polymers, and their use
04/17/2003WO2003031513A1 High modulus, high ductility polyolefins
04/17/2003US20030073785 Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
04/16/2003EP1301161A1 Cosmetic composition containing a block copolymer consisting of blocks with different refractive indices
04/16/2003CN1410465A Method of selective hydrogenation containing conjugated diene block copolymer
04/15/2003US6548598 Blend consists of a polyphenylene ether, a polyolefin resin, a hydrogenated block copolymer of vinyl aromatic monomer and a conjugated diene monomer; exhibit excellent heat resistance and impact strength, rigidity and tensile breaking elongation
04/10/2003WO2003029346A1 Propylene polymer based compounds and heat-sealable multi-layer sheets containing them
04/10/2003WO2003029299A1 Conjugated diolefin (co)polymer rubber, process for producing (co)polymer rubber, rubber composition, composite, and tire
04/09/2003EP1299496A2 Adhesives with improved die-cutting performance
04/09/2003EP1299475A1 Tetrablock copolymers
04/09/2003EP1299442A2 Block copolymers containing both polystyrene and low vinyl content polydiene hard blocks
04/09/2003EP1299433A1 Production of propylene copolymers having improved properties
04/09/2003EP0876404B1 Process for preparing an aqueous polymer dispersion by the method of radical aqueous emulsion polymerization
04/09/2003CN1408734A Solid catalyst component for olefine polymerization and its preparation, process for preparing olefine polymerization catalyst and process for preparing olefine polymer
04/09/2003CN1105125C Rubber suitable for tyre surface
04/08/2003US6545099 Crystalline polymer with higher stereoregularity and an extremely long mesochain and a specific stabilizer shows high rigidity, high heat resistance
04/08/2003US6545097 Biocompatible block copolymer comprising one or more elastomeric blocks and one or more thermoplastic blocks connected by a seed polymer
04/08/2003US6545095 Process for microgel preparation
04/08/2003US6545088 Metallocene-catalyzed process for the manufacture of EP and EPDM polymers
04/08/2003CA2157399C Process for preparing propylene polymer composition and propylene polymer composition
04/08/2003CA2048152C Elastoplastic polyolefin compositions
04/03/2003WO2003027214A1 Improved synthetic hydrocarbon lubricant base stock
04/03/2003US20030065111 Solid catalyst component for olefin polymerization, process for producing the same, process for producing catalyst for olefin polymerization, and process for producing olefin polymer
04/03/2003US20030065098 A branched block copolymer comprising a low glass transition temperature soft segments and rigid segments with a high transition temperature or crystalline melting point; non-biodegradable implantable prosthesus
04/03/2003US20030065053 A road marking compound contains (a) a linear tetrablock copolymer having four blocks independently selected from polystyrene, polyisoprene and polybutadiene, (b) a mixture of rosin esters or mixed with hydrocarbon resins
04/02/2003EP1298167A1 Blends of propylene based polymers and their heat-sealable films
04/02/2003EP1298149A1 Processes for producing a-olefin polymer
04/02/2003EP1179026A4 BRANCHED AND HYPERBRANCHED POLYETHERIMIDES FROM STABLE A1Bn, AB, AA, AND BB MONOMERS; AM ENDCAPPING AGENTS
04/02/2003EP1161462A4 Selectively hydrogenated polymer compositions: polybutadiene-isoprene-polybutadiene
04/02/2003CN1406994A Method and apparatus for continuous production of elastomer modified monovinyl aromatic compounds
04/02/2003CN1104444C Process for producing propylene polymer composition
04/02/2003CN1104443C Process for producing propylene polymer composition, and propylene polymer composition
04/01/2003US6541583 Polymerization in the presence of a non-bridged bisindenoindol-based single-site catalyst; isotactic and atactic stereoblock sequences
04/01/2003US6541570 Compositions of random copolymers of propene containing an α-olefin as comonomer
03/2003
03/27/2003WO2003025025A1 Bis(salicylaldiminato)titanium complex catalysts, highly syndiotactic polypropylene by a chain-end control mechanism, block copolymers containing this
03/27/2003US20030060584 Also block copolymers containing block(s) of the syndiotactic polypropylene and block(s) of poly(ethylene-co-propylene) and/or poly(alpha-olefin-co-propylene)
03/27/2003US20030060576 Method for producing polyolefin and gas phase polymerization apparatus
03/27/2003US20030059392 Composition for topical use containing a diblock polymer
03/26/2003EP1294785A1 Block copolymers for optical data storage
03/26/2003EP1171477B1 Method for copolymerization and resulting copolymers
03/26/2003CN1406241A Method of preparing group 14 bridged biscyclopentadienyl ligands
03/25/2003US6538091 Narrow molecular weight distribution; telechelic polymers; initiator residue
03/25/2003US6538080 Gas phase polymerization of olefins
03/25/2003US6538070 Ethylene interpolymer polymerizations
03/25/2003US6537942 Olefin polymerization catalysts are formed from: a contact product obtained by contacting a solid titanium compound, an organometallic compound, a specific organosilicon compound and a specific polyether compound
03/20/2003US20030055179 Olefin block copolymers processes for producing the same and uses thereof
03/20/2003US20030055176 Process for preparing copolymers and blend compositions containing the same
03/19/2003EP1293535A2 Resin composition and golf ball
03/19/2003EP1092174B1 Photocurable elastomeric polymers
03/19/2003CN1404499A Polyolefin sheets for thermoforming
03/19/2003CN1404491A Process for producing polyolefin composition
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