Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
08/1990
08/07/1990CA1272473A1 Olefin polymerisation spherical catalytic materials processing, and use of catalyst derived from olefin polymerisation
08/01/1990EP0379758A1 Polymers and polymerisation catalyst components
08/01/1990CN1044282A Catalyst for regulating molecular weight distribution of ethylene polymers
08/01/1990CA2008997A1 Optical recording media
07/1990
07/31/1990US4945142 Composition and process for friction loss reduction
07/31/1990US4945076 Polymerization catalyst system
07/31/1990CA2008653A1 Process and apparatus for gas phase polymerisation of olefins in a fluidized bed reactor
07/31/1990CA1272348A1 Process for polymerising ethylene using a chromium oxide catalyst
07/30/1990CA2005835A1 Hydroxy-peroxides and their uses
07/25/1990EP0379292A2 Production of alpha-olefin polymers
07/25/1990EP0378556A1 Catalyst composition.
07/25/1990CN1008909B Ethylene polymerization catalyst
07/25/1990CN1008908B Process for producing alpha-olefin polymer
07/25/1990CN1008907B Catalyst components, a catalyst and a process for the polymerization alpha-olefins
07/24/1990US4943616 Lewis acid and peroxide, isobutylene
07/18/1990EP0378248A2 Process for preparing alpha-olefin polymers and oligomers
07/17/1990US4942210 Branched isoolefin polymer prepared with adamantane catalyst system
07/17/1990US4942148 Coordination catalylts of metal oxide, organomagnesium compounds, an organoaluminum compound, a titanium compound and electron donor compound
07/17/1990US4942147 Catalyst system containing an autoacceleration inhibitor
07/17/1990US4941730 Core covered with cladding of 4-methyl-1-pentene and alpha-ol efin with polycarbonate core
07/12/1990WO1990007526A1 Olefin copolymer and production thereof
07/11/1990CN1043721A Process for in situ blending of polymers
07/11/1990CN1008740B Preparation of spherical magnesium alkoxide particles
07/10/1990US4940846 Hydrophobic and/or abhesive materials, reactive diluents
07/10/1990US4940682 Solid catalyst component for olefin polymerization
07/10/1990CA2007398A1 Production of .alpha.-olefin polymers
07/04/1990EP0376936A2 A ziegler-Natta catalyst component
07/04/1990EP0376559A1 Process for alpha -olefin gas-phase polymerization controlled by the simultaneous addition of an activator and an activity retarder to the polymerization medium
07/04/1990EP0376348A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
07/04/1990EP0376188A2 Process for producing a polyolefin
07/04/1990EP0376154A2 Bisindenyl derivative and method for its preparation
07/04/1990EP0376145A2 Method for producing a stereoregular polyolefin
07/04/1990EP0376084A2 Process for producing highly stereospecific alpha-olefin polymers
07/04/1990CN1043508A Ethylene-propylene copolymer
07/04/1990CN1043507A Polymerization of gaseous ethene for preparing linear polyethene of molecular weight narrow distribution
07/04/1990CN1008628B Reduction of catalyst activity in solution process for polymerization of alpha-olefines
07/04/1990CN1008627B Reduction of isomerization in solution process for polymerization of alpha-olefines
07/04/1990CN1008626B Olefine polymerization process and preparation method of its vanadium catalyst
07/03/1990US4939217 Halogen-free coordination catalyst
06/1990
06/30/1990CA2006905A1 Bisindenyl derivative, and a process for the preparation thereof
06/30/1990CA2006897A1 Catalyst for regulating the molecular weight distribution of ethylene polymers
06/27/1990EP0375199A1 Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
06/27/1990EP0374969A2 Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins
06/27/1990EP0374695A2 Ethylene-propylene copolymer
06/27/1990EP0374664A2 Process for the manufacture of copolymers of ethylene and vinyl acetate, copolymers of ethylene and vinyl acetate, and use thereof
06/27/1990EP0374660A2 Process for the manufacture of copolymers of ethylene and vinyl acetate having particular strength properties, copolymers of ethylene and vinyl acetate, and use therefor
06/27/1990EP0374619A1 Process for the production of polyethylene compositions
06/27/1990EP0374595A1 Ethylene copolymerization catalyst
06/27/1990CN1008524B Alpha-olefin polymerization catalyst system including advantageous modifier component
06/26/1990US4937301 Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization
06/26/1990US4937300 Catalyst and polymerization of olefins
06/26/1990US4937299 Coordination catalyst containing metallocene and alumoxane
06/26/1990US4937217 By adding undehydrated silica gel and metallocene; drying
06/26/1990EP0215922A4 Organolanthanide catalysts.
06/23/1990CA2006589A1 Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins
06/23/1990CA2006417A1 Process for the preparation of ethylene/vinyl acetate copolymers with increased strength, the new ethylene/vinyl acetate copolymers and their use
06/23/1990CA2006395A1 Process for the production of ethylene-vinyl acetate copolymers, new ethylene/vinyl acetate copolymers and their use
06/20/1990EP0373999A1 Ethylene polymerisation process for producing linear polyethylene with a narrow molecular weight distribution
06/20/1990EP0373800A1 Ultrahigh molecular weight linear polyethylene, articles and processes of manufacture
06/20/1990EP0373785A1 Homogenous or supported vanadium based catalyst for olefin polymerization
06/20/1990EP0373660A2 Propylene polymer compositions having good transparency and improved impact resistance
06/20/1990EP0373588A2 Aqueous dispersion, composite powder and organosol of fluorine-containing polymer
06/19/1990US4935576 Polybutene process
06/19/1990US4935475 Process for producing cycloolefin random copolymer
06/19/1990US4935474 Process and catalyst for producing polyethylene having a broad molecular weight distribution
06/19/1990US4935397 Coordination catalyst
06/19/1990US4935394 Catalyst for olefin polymerization
06/19/1990CA1270476A1 Preparation of spherical magnesium alkoxide particles
06/14/1990WO1990006326A1 Process for preparing a high density polyethylene of low oligomer content and high melt index ratio
06/14/1990WO1990006325A1 Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
06/14/1990WO1990006324A1 Homogeneous or supported vanadium based catalyst for olefin polymerization
06/14/1990WO1990006139A1 Ultrahigh molecular weight linear polyethylene, articles and processes of manufacture
06/14/1990CA2005389A1 Process for polymerizing ethylene in a gaseous phase; linear polyethylene with a narrow molecular weight distribution thus produced
06/13/1990EP0372926A1 Process for preparing a high density polyethylene of low oligomer content and high melt index ratio
06/13/1990EP0372617A2 Synthesis of methylaluminoxanes
06/13/1990EP0372483A1 Process to make alumunoxane
06/13/1990EP0372414A2 Method for the preparation of a metallocene component of a heterogeneous catalyst
06/13/1990EP0372328A2 Process for preparing ethylene homo- and copolymers by Phillips catalysis
06/13/1990EP0372239A2 Process for preparing ethylene polymers by means of a vanadium-containing Ziegler catalyst system while destroying the catalyst residue.
06/13/1990CN1042919A Process for polymerizing ethylene obtained polymers of molecular weight wide distribution, treatment of catalyst component
06/12/1990US4933403 Process for the preparation of optically active polyolefins
06/12/1990US4933393 Polyolefin composition
06/12/1990US4933388 Solutions of copolymers of the tetrafluoroethylene/ethylene type
06/12/1990US4933149 Fluidized bed polymerization reactors
06/12/1990CA1270241A1 Preparation process of a transition metal component for an olefin polymerisation catalytic compound
06/06/1990EP0371664A2 Catalyst supports
06/06/1990EP0371411A2 A method for producing olefin polymers
06/06/1990CA2004615A1 Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
06/06/1990CA2004614A1 Process for preparing a high density polyethylene of low n-paraffin content and high melt index ratio
06/05/1990US4931517 Polmerization catalyst of transition metal metallocene, aluminoxane and a silicon-oxygen-carbon component
06/05/1990US4931417 Transition-metal compound having a bis-substituted-cyclopentadienyl ligand of bridged structure
06/05/1990US4931193 Treatment of catalyst particles
06/05/1990CA1270002A1 Ethylene dimerization and polymerization
06/03/1990CA2004419A1 Process for the preparation of a heterogeneous metallocene catalyst component
06/02/1990CA2004454A1 Ultrahigh molecular weight linear polyethylene, articles and processes of manufacture
05/1990
05/31/1990WO1990005751A1 Method and apparatus for gas phase polymerization
05/30/1990EP0370864A1 Process for polymerising ethylene with a broad molecular weight distribution, process for the treatment of the catalytic component
05/30/1990EP0370805A2 Improved polybutene process
05/30/1990EP0370372A2 Process for continuously preparing catalysts for low pressure olefin polymerization
05/30/1990CN1042547A Components and catalysts for polymerization of olefins