Patents for C08F 4 - Polymerisation catalysts (50,749)
01/1990
01/17/1990EP0351392A2 Process and catalyst for producing syndiotactic polyolefins
01/17/1990EP0351391A2 Syndiotactic polypropylene
01/17/1990EP0351360A1 Process for preparing thermally stabilized polyolefins
01/17/1990EP0351266A1 Process for preparing an olefin polymerization catalyst
01/17/1990EP0351265A1 Catalyst component for olefine polymerization, and process for preparing the same
01/17/1990CN1038820A Catalyst for polymerization of olefine and process of preparation thereof
01/16/1990US4894425 Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization
01/16/1990US4894424 Coordination catalysts, magnesium, aluminum halides
01/16/1990US4894409 Rubber composition
01/16/1990US4894356 Catalysts for air-drying compositions
01/10/1990EP0350444A1 Process for stabilizing polyolefins
01/10/1990EP0350339A2 Ethylene polymer and process for preparing same
01/10/1990EP0350170A2 Process for polymerising olefins and polymerisation catalyst therefor
01/10/1990EP0349927A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
01/10/1990EP0349886A2 Liquid catalyst component, catalyst system containing said component and process for producing ethylene-alpha-olefin copolymer using said catalyst system
01/10/1990EP0349772A2 Process for preparing a polypropylene
01/10/1990EP0349639A1 Process for preparing alpha-olefin polymers.
01/10/1990CN1038652A Process for preparation of random copolymers
01/10/1990CN1038651A Process for prepartion of random copolymers
01/10/1990CN1006389B Process for anionic polymerization
01/10/1990CN1006388B Process for producing petroleum resin
01/09/1990US4892914 Catalysts prepared from tetrakis(dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewith
01/09/1990US4892854 Dispersions and the preparation of foamed resins therefrom
01/09/1990US4892853 Ethylene polymerization catalyst
01/09/1990US4892852 Coordination catalyst for olefin polymerization
01/09/1990US4892851 Process and catalyst for producing syndiotactic polyolefins
01/09/1990CA1264400A1 Process for polymerizing a monomer charge
01/09/1990CA1264399A1 Process for the preparation of polyolefins
01/09/1990CA1264397A1 Process for producing propylene polymer
01/03/1990EP0349195A2 Direct synthesis by cationic polymerization of nitrogen-containing polymers
01/03/1990EP0349146A2 Process for preparing ultra-high molecular weight polyethylene
01/03/1990EP0348963A2 Polymers, method for their preparation and initiator system
01/02/1990US4891411 Process for producing olefin polymers and catalyst used therein
01/02/1990CA1264159A1 Process for producing olefin polymer
12/1989
12/28/1989WO1989012662A1 Olefinic oligomers having lubricating properties and process of making such oligomers
12/28/1989WO1989012649A2 Process for preparing a catalyst for the polymerization of olefins
12/27/1989EP0348126A2 Non-aqueous process for the preparation of alumoxanes
12/27/1989EP0347442A1 Modified silica based catalyst
12/27/1989CN1038284A Process for prepn. of high purity alpha-olefin polymers
12/26/1989US4889900 Alcohol scavenging with aluminum or boron compound; purification; narrow molecular weight distribution
12/20/1989EP0347129A1 Process for production of high molecular weight EPDM elastomers using a metallocene-alumoxane catalyst system
12/20/1989EP0347128A1 Process for production of a high molecular weight ethylene a-olefin elastomer with a metallogene alumoxane catalyst
12/20/1989EP0346788A1 Radiation-sensitive ethylenically unsaturated copolymerizable compounds and process for their preparation
12/20/1989EP0346542A1 Photocurable resin composition and method of producing decorative material using the same
12/20/1989CN1038105A Cage polymerization of biological materials /polyolefine
12/19/1989US4888704 Advanced control strategies for melt flow rate and reactor concentration in the polypropylene slurry process
12/19/1989US4888318 Catalyst composition for polymerizing alpha-olefins
12/19/1989CA1263997A1 Process for polymerizing a monomer charge
12/19/1989CA1263996A1 Process for polymerizing a monomer charge
12/19/1989CA1263995A1 Process for polymerizing a monomer charge
12/19/1989CA1263993A1 Process for polymerizing acrylic monomers and eventually non acrylic co-monomers
12/13/1989EP0346098A2 Copolymers of ethylene and an alpha-olefin and catalytic production thereof
12/13/1989EP0345794A2 Hydrophilic transparent crosslinked copolymers and method for their preparation
12/13/1989CN1006072B Catalyst composition for polymerization of cycloolefing
12/13/1989CN1006071B Catalyst system used for alkene poly-and copolymerization
12/12/1989US4886859 Reducing boiler scale and hard water deposits
12/12/1989US4886771 Catalyst for regulating the molecular weight distribution of ethylene polymers
12/12/1989US4886770 Coordination catalyst
12/12/1989US4886618 Aldehyde or imine oxygen scavengers for vinyl polymerizations
12/12/1989CA1263858A1 Catalyst components, a catalyst and a process for the polymerization of olefins
12/06/1989EP0345062A2 A method for the activation of a carrier for a polymerization catalyst
12/06/1989EP0344888A2 Liquid telechelic polymers having high 1,4-diene structure
12/06/1989EP0344887A2 Silicon bridged transition metal compounds
12/06/1989EP0344755A1 Components and catalysts for the polymerization of olefins
12/06/1989EP0344733A2 Novel antioxidant-peroxides and their use
12/06/1989EP0344441A2 A-B block copolymers based on butadiene, isoprene and styrene, their preparation and their use
12/06/1989EP0344223A1 New perfluoroalkanes and fluorination products thereof
12/06/1989EP0344161A1 Impregnant compositions for porous articles.
12/06/1989EP0206893B1 Process for preparing a transistion metal component for an olefin polymerization catalytic system
12/05/1989US4885347 Unsaturated polyester
12/05/1989US4885125 Mixing with initiator and accelerator; pouring into mold; controlling time
12/05/1989CA1263798A1 Process for the preparation of water soluble vinyl saccharide polymers
11/1989
11/29/1989EP0343901A2 Method and apparatus for recovering high purity toluene, hexane titanium tetrachloride and tetrahydrofuran from mixtures
11/29/1989EP0343690A2 Heat-latent, cationic polymerization initiator and resin compositions containing the same
11/29/1989EP0343556A2 Process for the polymerization of tri-substituted silylalkynes
11/28/1989US4883859 Process for producing hydroxylated polybutadiene
11/28/1989US4883853 Copolymers of ethylene and 2,4,4-trimethylpentene-1
11/28/1989US4883849 Secondary or tertiary amines, reaction injection molding
11/28/1989US4883848 Coordination catalyst containing titanium and magnesium and silicon
11/28/1989US4883846 Anionic polymerization of purified monovinylidene aromatic monomer feed stock
11/28/1989CA1263498A1 Liquid ethylene-type random copolymer, process for production thereof, and use thereof
11/28/1989CA1263371A1 EXHAUSTIVELY PREPOLYMERIZED SUPPORTED .alpha.-OLEFIN POLYMERIZATION CATALYST
11/28/1989CA1263370A1 CATALYST AND PROCESS FOR PRODUCING .alpha.-OLEFIN POLYMERS USING THE SAME
11/28/1989CA1263368A1 Polymerization catalyst, production and use
11/28/1989CA1263367A1 Polymerization catalyst, production and use
11/28/1989CA1263366A1 Catalysts for the polymerization of olefins
11/28/1989CA1263361A1 Production of catalyst component for olefin polymerization
11/22/1989CN1037347A Method for decreasing swell properties of alpha olefins
11/22/1989CN1037346A 齐格勒-纳塔催化剂 Ziegler - Natta catalyst
11/21/1989US4882401 Slow gel/cure systems based on dialkylzinc for dicyclopentadiene polymerization
11/21/1989US4882380 Catalysis with titanium, magnesium, and chlorine precursor; electron donor; hydrocarbylaluminum cocatalyst, and selectivity control agent; nonwhitening
11/21/1989CA1263106A1 Ethylene polymer useful as a lubricating oil viscosity modifier
11/21/1989CA1263104A1 Polymerization catalyst, production and use
11/21/1989CA1263103A1 Polymerization catalyst, production and use
11/16/1989WO1989010942A1 Titanium catalyst component, process for its preparation, catalyst for producing ethylenic polymer containing said titanium catalyst component, and process for producing ethylenic polymer
11/15/1989EP0342073A1 Polythiuram disulfides, their preparation and their use in the polymerization of vinyl monomers
11/15/1989EP0341724A1 Process for the preparation of random copolymers
11/15/1989EP0341723A2 Process for the preparation of random copolymers
11/15/1989EP0341720A2 Light-sensitive compositions
11/15/1989EP0341620A1 Transparent thermoplastic moulding composition, process for its preparation and its use