Patents for C08F 4 - Polymerisation catalysts (50,749)
05/1994
05/03/1994US5308818 Coordination catalyst containing silanediol as electron donor, isotactic polypropylene
05/03/1994US5308817 Metallocene catalyst component with good catalyst efficiency after aging
05/03/1994US5308816 Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization
05/03/1994US5308815 Heterogeneous methylaluminoxane catalyst system
05/03/1994US5308811 Metallocene compound, layered clay, organic aluminum compound
05/03/1994CA1329192C Catalysts prepared from tetrakis (dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewith
05/01/1994CA2109156A1 Catalyst and process for (co) polymerizing alpha-olefins
04/1994
04/28/1994WO1994009060A1 Film for packaging purposes
04/28/1994WO1994009053A1 Ring-opening ziegler olefin polymerization catalysts
04/28/1994WO1994009052A1 Ring-opening ziegler olefin polymerization catalysts and polymers therefrom
04/28/1994WO1994009044A1 Catalysts and process for the preparation of ethylene polymerization catalysts
04/28/1994WO1994009041A1 High activity polyethylene catalysts
04/28/1994WO1994009040A1 Process for preparing a catalyst composition
04/28/1994DE4235786A1 Polystyrene moulding material of high transparency - is prepd. by a continuously operated segmented reactor and has a low residual monomer content.
04/28/1994DE4235404A1 Prepn. of very low viscosity polyethylene hard waxes - using Ziegler catalyst comprising magnesium chloride- and aluminium-contg. carrier and titanium
04/28/1994CA2145644A1 Film for packaging purposes
04/28/1994CA2145088A1 Ring-opening ziegler olefin polymerization catalysts and polymers therefrom
04/27/1994EP0594218A1 Process for polymerizing olefins
04/27/1994EP0594190A1 Olefin polymerization catalyst and use
04/27/1994EP0593888A1 Polyolefin composition for injection moulding of transparent articles with high rigidity
04/27/1994EP0518944B1 1-olefin (co)polymerization catalyst for production of resins with a broad range of molecular weight distribution
04/27/1994CN1085915A Process for producing ethylene polymers having reduced hexane extractable content
04/27/1994CN1085914A Vanadium based components and catalysts for the polymerization of olefins and polymerization protesses using the same
04/26/1994US5306800 Improved mechanical properties in the transverse direction
04/26/1994US5306792 Addition polymerization of alpha-olefin in presence of chromium oxide catalysts with supports
04/26/1994US5306791 Ethylene homopolymers and ethylene copolymers and a process for their preparation
04/26/1994US5306740 Process for the production of brominated chlorine-substituted poly-1,3-butadiene
04/26/1994CA1328947C Curable compositions
04/24/1994CA2108923A1 Catalyst composition for alkene oligomerisation and co-oligomerisation
04/24/1994CA2100143A1 Olefin polymerization catalyst and use
04/20/1994EP0593083A1 Gas phase polymerization reaction utilizing soluble unsupported catalysts
04/20/1994EP0593049A1 Anionic polymerization initiators and reduced hysteresis products therefrom
04/20/1994EP0592570A1 Supported high activity polyolefin catalyst component with regular distribution of magnesium values provided utilizing a controlled drying protocol
04/20/1994EP0295312B1 Solid catalyst for olefin polymerization and process for its preparation
04/20/1994CN1085569A Titanium catalyst component for ethyiene polymerization, rethylene polymerization catalyst, and process for ethylene polymerization using the same
04/20/1994CN1085566A Chromium catalyst compositions
04/19/1994US5304649 Curing agent for unsaturated polyesters
04/19/1994US5304615 Preparation of butene polymers using an ionic liquid
04/19/1994US5304614 Process for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl ligands
04/19/1994US5304609 Graft copolymers having improved phase binding between the graft base and the grafted-on polymer phase
04/19/1994US5304523 Stereorigid metallocene containing transition metal
04/19/1994CA1328654C Catalysts for preparing saturated and unsaturated elastomeric olefinic copolymers and terpolymers
04/14/1994WO1994007930A1 Long chain branched polymers and a process to make long chain branched polymers
04/14/1994WO1994007928A1 Supported homogeneous catalyst complexes for olefin polymerization
04/14/1994WO1994007927A1 Catalyst system of enhanced productivity and its use in polymerization process
04/14/1994WO1994007926A1 Process for polymerizing alpha-olefin
04/14/1994WO1994007924A1 Method for improving the homo- and copolymerization of ethylene
04/14/1994WO1994007379A1 Improved oxygen scavenging compositions for low temperature use
04/14/1994CA2146344A1 Catalyst system of enhanced productivity and its use in polymerization process
04/14/1994CA2146012A1 Supported homogenous catalyst complexes for olefin polymerization
04/14/1994CA2145635A1 Long chain branched polymers and a process to make long chain branched polymers
04/14/1994CA2145538A1 Process for polymerizing alpha-olefin
04/13/1994EP0591968A2 Chromium catalyst compositions
04/13/1994EP0591922A1 Titanium catalyst component for ethylene polymerisation, ethylene polymerisation catalyst, and process for ethylene polymerisation using the same
04/13/1994EP0591841A1 Process for producing styrenic polymer
04/13/1994EP0591809A2 Biologically active initiators for radical polymerization
04/13/1994EP0591807A2 Biologically active polymers
04/13/1994EP0591756A2 Polymerization catalysts and process for producing polymers
04/13/1994EP0591380A1 Immobilized lewis acid catalysts.
04/13/1994EP0591224A1 A procatalyst for polymerization of olefins containing a trans-esterification product of a lower alcohol and a phthalic acid ester
04/13/1994EP0500627B1 Allyl hydroperoxide chain transfer agents
04/13/1994CN1085225A Polypropylene injection mold object
04/12/1994US5302772 Alpha-olefin polymers
04/12/1994US5302675 Reacting in presence of catalyst system including magnesium halide, aluminum trihalide, titanium tetrahalide; trialkylaluminum co-catalyst; alkoxysilane component
04/12/1994US5302674 High molecular weight, high density, narrow molecular weight distribution polyalpha-olefins and copolymers using a chromium cyclopentadiene complex catalyst
04/12/1994US5302454 Plasto-elastic polypropylene compositions
04/12/1994CA1328534C Butene-1 copolymer composition
04/12/1994CA1328516C Ab block copolymers based on butadiene, isoprene and styrene, process for their preparation and their use
04/12/1994CA1328447C Catalysts for the preparation of amorphous copolymers of propylene and olefins
04/06/1994EP0590491A2 Soluble anionic polymerization initiators and products therefrom
04/06/1994EP0590490A1 Solubilized anionic polymerization initiators and products therefrom
04/06/1994EP0590486A2 Polymerization catalysts and process for producing polymers
04/06/1994EP0590468A2 Method of reducing residual monomers in the preparation of bead polymers
04/06/1994EP0590460A2 Highly concentrated aqueous poly(acrylonitrile) emulsions and process for their preparation
04/06/1994EP0590115A1 A polymerization catalyst carrier prepared by spray crystallization.
04/06/1994EP0406432B1 Process for producing particulate polymer
04/05/1994US5300601 Using peroxy initiators with different decomposition temperatures
04/05/1994US5300600 Containing alkylaryl polyether alcohol and oxyalkylated phenolic resin dispersants, thickener, anionic emulsifier, partial ester of acid copolymer
04/05/1994US5300599 Organometallic compounds useful as polymerization catalyst
04/05/1994US5300598 Methylenecyclobutane and ethylene with electrophilic metallocene catalyst
04/05/1994US5300597 Olefin polymerization catalyst and process
04/05/1994US5300536 Catalytic composition for photopolymerization and a photopolymerizable composition containing the same
04/05/1994US5300470 Components and catalysts for the polymerization of ethylene
03/1994
03/31/1994WO1994006833A1 Process for polymerizing alpha-olefin
03/31/1994WO1994006831A1 Process for the preparation of olefin polymers
03/31/1994CA2143103A1 Process for the preparation of olefin polymers
03/30/1994EP0589638A2 Powder catalyst composition and process for polymerizing olefins with the use thereof
03/30/1994EP0589527A1 Polymerization process
03/30/1994EP0589474A2 Components and catalysts for the polymerization of olefins
03/30/1994EP0589472A2 Ethylene polymerization process
03/30/1994EP0589364A2 Copolymers of ethylene with olefinic monomers, process for the preparation thereof and catalyst
03/30/1994EP0589350A2 Process for the preparation of a supported catalyst for the polymerisation of alpha - olefins
03/30/1994EP0470135B1 Organic oxygen-containing polymerization cocatalysts
03/29/1994US5298582 Extrudable/coatable ethylene (co)polymers
03/29/1994US5298581 Sheet-like articles from orientable polymers and polymer microbeads
03/29/1994US5298579 Using modified biodegradable substrate with catalytically active sites susceptible to fragmentation caused by polymer
03/29/1994US5298563 Process for preparing an impact resistant resin
03/29/1994US5298561 Propylene polymer composition having good transparency and improved impact resistance
03/29/1994US5298474 Supported catalyst for the (co)polymerization of ethylene
03/29/1994US5298471 Pure tungsten oxyphenolate complexes as DCPD polymerization catalysts