Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
10/1987
10/06/1987CA1227807A1 Preparation of triethyl dimethyl siloxalane
10/06/1987CA1227785A1 Olefin polymerization catalyst compositions and polymerization process
09/1987
09/30/1987EP0239475A1 Spherical carrier for an olefin polymerisation catalyst and catalyst obtained from this carrier
09/30/1987EP0239474A1 Catalyst for the gas phase polymerization of ethylene containing a phosphor compound, process for preparing the same
09/30/1987EP0239473A1 Process for preparing ethylene polymers to obtain polymers having a large molecular-weight distribution
09/23/1987EP0238345A2 Catalysts for the polymerisation of alpha-olefins
09/23/1987EP0238154A2 Catalyst composition for preparing alpha-olefin polymers of relatively narrow molecular weight distribution
09/22/1987US4695614 Organoaluminum compound, modified vanadium compound
09/22/1987US4695558 Catalysts for homo- and copolymerization of ethylene and the polymers obtained by use thereof
09/22/1987US4695557 Catalyst for polymerization of olefins
09/22/1987CA1227182A1 HIGH EFFICIENCY POLYMERIZATION CATALYST COMPONENT FOR USE IN THE POLYMERIZATION OF PROPYLENE AND HIGHER .alpha. OLEFINS
09/16/1987EP0237294A2 Process for preparing ethylene polymers
09/16/1987EP0237293A2 Process for preparing polyolefins
09/16/1987EP0237003A1 Process for the production of a sticky polymer
09/16/1987CN87100304A Treatment of catalyst particles
09/16/1987CN86108228A Process for spheridal catalyst of olefinic polymerization and applicaton of catalyst in olefinic polymerization
09/15/1987US4693990 Production of catalyst component for olefin polymerization
09/15/1987CA1226872A1 Titanium complexes and catalysts prepared therefrom
09/11/1987WO1987005303A1 Compositions comprising arylcyclobutene and polymeric compositions prepared therefrom
09/09/1987EP0236253A1 Process for bulk polymerizing butadiene
09/09/1987EP0236082A2 Preparation of olefin polymerization catalyst component
09/08/1987US4692501 Process for continuous multi-stage polymerization of olefins
09/08/1987US4692489 Polypropylene compositions of improved clarity
09/02/1987EP0234574A1 Process for activation of titanium and vanadium catalysts useful in ethylene polymerization
09/02/1987EP0234114A2 End-capped polymer chains, graft and star copolymers, and process of making same
09/02/1987CN87100132A High-temp. (co) poly-catalysis system for ethylene
09/01/1987US4691072 Polymerization of isobutylene
09/01/1987US4691036 Complexing a nickel compound and adduct or mixture of a tertiary phosphine and maleic anhydride; poly 1-olefins; polyacetylene
09/01/1987US4690991 Suspension polymerization using coordination catalyst
09/01/1987US4690990 For mono-1-olevins-high molecular weight
09/01/1987US4690800 High speed cooling
09/01/1987CA1226399A1 Improved continuous manufacturing process of ethylene homopolymers or copolymers
09/01/1987CA1226396A1 Ethylene/tetrafluoroethylene or chlorotrifluoroethylene copolymer
08/1987
08/26/1987EP0233787A1 The detection of anomolies in gas fluidised bed polymerisation
08/26/1987EP0233475A2 Method of particulating agglomerated catalyst materials
08/25/1987US4689437 Ethylene or ethylene-propylene, catalyst from transition metal compound, activator, organophosphorus sulfonate ligand
08/25/1987CA1226098A1 Improved continuous manufacturing process of ethylene homopolymers or copolymers
08/25/1987CA1226095A1 Cold flow improver
08/25/1987CA1225983A1 Supported vanadium dihalide-ether complex catalyst
08/19/1987EP0232701A2 Use of anti-statics to prevent the formation of deposits during the manufacture of polyethylene of ultra-high molecular weight in a gas-phase reactor
08/19/1987EP0232643A1 Process for treating a spherical olefin polymerization catalyst; use of this catalyst for olefin polymerization
08/19/1987EP0232595A1 Supported polymerization catalyst (P-1180)
08/18/1987CA1225633A1 Supported polyolefin catalyst for the polymerization of ethylene under high temperatures
08/12/1987EP0232201A2 Process for the direct synthesis of highly amorphous propylene homopolymers and propylene-ethylene copolymers
08/12/1987EP0232023A1 Treatment of catalyst particles
08/12/1987EP0231878A2 Polymerization of olefins
08/12/1987EP0231651A1 Process for preparing alpha-olefins from light olefins
08/12/1987EP0231547A1 Process for the preparation of polyethylene objects having a high strength and a high modulus
08/12/1987EP0027474B1 Process for producing polyolefin
08/12/1987CN86107715A Dimerization and polymerization of ethylene
08/11/1987US4686279 Evaporation, devolatilizing extruder
08/11/1987US4686265 Coordination catalyst; high bulk density
08/11/1987US4686200 Catalyst for the polymerization of olefins
08/11/1987US4686199 Process for producing a catalyst component for polymerization of olefins
08/11/1987CA1225500A1 Ethylene polymerization catalyst and (co)polymerization of ethylene using said catalyst
08/05/1987EP0231102A2 Catalyst composition for polymerizing alpha-olefins
08/05/1987EP0230983A1 Ethylene dimerization and polymerization
08/05/1987EP0230750A2 Easily soluble polyethylene powder for the preparation of fibers or films having high strength and high elastic modulus
08/05/1987EP0230707A2 Manufacturing method of polyolefin
08/04/1987US4684683 Injection blow molding grade propylene polymers
08/04/1987CA1225199A1 Polyisobutylene process
08/04/1987CA1225096A1 Long chain branching in polyolefins from ziegler- natta catalysts
08/04/1987CA1225080A1 Polyolefin polymerization process and catalyst
07/1987
07/29/1987EP0230121A1 Process of polymerizing propylene
07/29/1987EP0230019A2 Process for preparing ethyl polymers by means of a Ziegler catalyst system
07/29/1987CN86108794A Solid catalyst component for alpha-olefin polymerization and process for producing the same
07/28/1987US4683215 Process for removing contaminants from a liquid TiCl4 phase
07/28/1987CA1224773A1 Process for obtaining free carbon radicals
07/22/1987EP0229422A1 Catalyst system for hightemperature (co)polymerization of ethylene
07/22/1987EP0229413A1 Solid catalyst component for alpha-olefin polymerization and process for producing the same
07/22/1987EP0229368A2 Use of anti-statics to prevent the formation of deposits during manufacture of ethylen polymers in a gas-phase reactor
07/21/1987US4681866 Treated silica support and zerovalent chromium compound
07/21/1987US4681266 Refractory fines, beater milling
07/15/1987EP0229024A2 Catalyst composition for preparing alpha-olefin polymers of relatively narrow molecular weight distribution
07/15/1987CN86106544A Low molecular weight ethylene-alphaolefin copolymer intermediates
07/14/1987US4680351 Supported polyolefin catalyst components and methods of making and using same
07/14/1987US4680350 Purified catalyst support
07/08/1987EP0227838A1 Polyethylene composition
07/07/1987US4678768 Catalyst component for polymerization of olefins
07/07/1987US4678767 Coordination catalyst yielding polymers of high bulk density
07/02/1987WO1987003889A1 Process for polymerization of alpha-olefins
07/02/1987WO1987003887A1 Process for polymerization of alpha-olefins
07/01/1987EP0227455A2 Process for producing catalyst ingredient for use in olefin polymerization
07/01/1987CN86108501A Polymerization process of propylene
06/1987
06/30/1987US4677088 Coordination catalyst organoaluminum compound and lewis base
06/30/1987US4677087 Catalyst composition for polymerizing alpha-olefin polymers of relatively narrow molecular weight distribution
06/30/1987US4676858 Polymerization catalysts
06/24/1987EP0226463A1 Polymerization catalyst
06/24/1987EP0226004A1 Process for preparing propylene homo- and copolymers by means of a Ziegler catalytic system
06/24/1987EP0226003A1 Process for preparing propylene homo- and copolymers by means of a Ziegler catalytic system
06/23/1987US4675369 Catalyst composition for polymerizing alpha-olefins at low reactants partial pressures
06/23/1987US4675368 Process for inhibiting crust formation in reactors during alpha-olefin prepolymerization modification of Ziegler catalyst
06/23/1987US4675303 Coordination catalyst consisting of titanium tetrahalide, dialkylaluminum halide and dialkyl magnesium compound
06/18/1987WO1987003604A1 New polymerization catalyst
06/18/1987WO1987003603A1 End-capped polymer chains, graft and star copolymers, and process of making same
06/16/1987US4673768 Controlling temperature of vessel walls above depressurizatio n means
06/16/1987US4673719 Process for producing olefin polymers and catalyst composition therefor
06/16/1987US4673662 Catalysts for the polymerization and copolymerization of propylene and polymerization processes using these catalysts
06/16/1987US4673661 Coordination catalyst containing chlorinated magnesium compound, titanium tetrachloride and a lewis base
06/16/1987EP0225452A1 Process for preparing ethylene copolymers with a Ziegler catalytic system