Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
10/1991
10/30/1991EP0454434A2 A transition-metal based catalyst for the polymerization and copolymerization of olefins, its preparation and use
10/30/1991EP0454231A2 Late transition metal catalysts for olefin polymerization
10/30/1991CN1055742A Gas phase olefin polymerization process
10/30/1991CN1014523B Multi-stage polymerzation for alkenes
10/29/1991US5061667 Reduced powdering of polymer during polymerization
10/29/1991US5061666 Solid alpha-olefin polymerization catalyst components
10/29/1991US5061524 Hydrophobic and/or abhesive materials, reactive diluents
10/29/1991CA1291472C PROCESS FOR POLYMERIZATION OF .alpha.-OLEFINS
10/23/1991EP0453205A2 Process for producing polyolefin
10/23/1991EP0453116A1 Gas phase olefin polymerization process
10/23/1991EP0453088A1 Supported polyolefin catalyst for the (co-)polymerization of ethylene in gas phase
10/23/1991EP0452916A1 Process for producing polyolefins
10/23/1991EP0452875A1 Isobutylene polymer having unsaturated group and preparation thereof
10/23/1991CN1014412B Process for production of alpha-olefin polymers
10/22/1991US5059570 Process for preparing a vanadium/titanium based catalyst suitable for olefin polymerization
10/21/1991CA2040808A1 Late transition metal catalysts for olefin polymerization
10/21/1991CA2040598A1 Process for producing polyolefins
10/19/1991CA2040704A1 Catalyst, process for preparation thereof and process for polymerizing olefins
10/17/1991WO1991015519A1 Simplified polyethylene catalyst system
10/17/1991WO1991013074A3 Transition metal catalyst composition for olefin polymerization
10/17/1991CA2040531A1 Isobutylene polymer having unsaturated group and preparation thereof
10/16/1991EP0452156A2 Solid titanium catalyst component for olefin polymerization, olefin polymerization catalyst, prepolymerized polyolefin-containing catalyst and method of olefin polymerization
10/16/1991EP0451901A2 Catalyst component for ethylene polymerization and copolymerization
10/16/1991EP0451876A1 Olefin polymerization catalyst
10/16/1991EP0451679A2 Method of producing polymers
10/16/1991EP0451645A2 Components and catalysts for the polymerization of olefins
10/16/1991EP0451214A1 A new method of preparing a catalyst component for the polymerization of olefins
10/16/1991CN1055367A Supported polyolefin catalyst for the (co-) polymerization of ethylene in gas phase
10/15/1991US5057478 Method of producing a composite material comprising a perovskite complex compound having an α-olefin polymer deposited thereon
10/15/1991US5057475 Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization
10/15/1991CA1290894C Catalyst productivity in the polymerization of olefins
10/09/1991CN1055184A Supported catalyst for polymerization and copolymerization of olefinically unsaturated compounds
10/08/1991US5055535 Procedure for gas-phase polymerication of ethylene allowing the fabrication of linear polyethylene with a narrow molecular-weight distribution
10/08/1991US5055534 Preparation of very low molecular weight polyethylene in a fluidized bed
10/08/1991US5055533 Producing linear low density olefin polymers with coordination catalyst
10/08/1991US5055528 Block polymerization using titanium catalysts
10/08/1991US5055438 Olefin polymerization catalysts
10/08/1991CA1290496C Method for controlling an impact copolymer reactor
10/08/1991CA1290495C Process for oligomerizing light olefines
10/04/1991CA2039561A1 Method of producing polymers
10/03/1991WO1991014718A1 Process for producing a polypropylene moulding material
10/03/1991WO1991014713A1 Catalyst system of enhanced productivity
10/03/1991CA2039520A1 Simplified polyethylene catalyst system
10/02/1991EP0449673A1 Troncated cone-shaped magnesium chloride particles, catalytic component supported on those particles, polyolefins obtained from this catalytic component, process for the preparation of these products
10/02/1991EP0449583A2 Catalyst for olefinic hydrocarbon polymerization and process for producing olefinic hydrocarbon polymer
10/02/1991EP0449519A2 Process for producing an impact copolymer
10/02/1991EP0449355A2 Supported catalyst for the polymerization and copolymerization of olefinically unsarurated compounds, and a (co)polymerization process which uses it
10/02/1991EP0449302A2 Hyperpure propylene polymers
10/02/1991EP0449092A1 Process for the manufacture of ethylenpolymers at a pressure of at least 500 bar in a tubular reactor with injection finger
10/02/1991CN1054986A Catalyst for poly-alpha-olefine synthetic oil production with increased low-viscosity oil recovery and related process
10/01/1991US5053469 Novel fluorine-containing copolymer
10/01/1991US5053467 Metallic magnesium nd hydroxy compound with an electron donor and an oxygen-containing titanium compound, aluminum and titan ium halide compounds, organmetallic component
10/01/1991CA2039444A1 Hyperpure propylene polymers
10/01/1991CA2039443A1 Components and catalysts for the polymerization of olefins
10/01/1991CA2038745A1 Supported polyolefin catalyst for the (co-) polymerization of ethylene in gas phase
10/01/1991CA1290093C Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts
10/01/1991CA1290092C Preparation of homopolymers and copolymers of propene using a ziegler-natta catalyst system
09/1991
09/30/1991CA2039347A1 Catalyst for olefinic hydrocarbon polymerization and process for producing olefinic hydrocarbon polymer
09/27/1991WO1991014719A2 Improved polybutene process
09/27/1991CA2078769A1 Polybutene process
09/27/1991CA2038974A1 Polymer production
09/26/1991DE4009169A1 Verfahren zur herstellung einer polypropylen-formmasse A process for preparing a polypropylene molding material
09/25/1991EP0448445A2 Liquid non-aqueous composition with an ionic character and its use as a solvent
09/25/1991EP0448115A2 Method for producing a polyolefin
09/25/1991EP0447960A2 Transition metal component for a Ziegler catalytic system and its use
09/25/1991EP0447959A2 Transition metal catalyst component for a Ziegler catalytic system and its use
09/25/1991EP0447905A1 Transition metal component for a Ziegler catalyst system and its use
09/25/1991EP0447904A1 Transition metal component for a Ziegler catalyst system and its use
09/25/1991EP0447722A2 Zirconium-based catalyst composition for polymerizing olefins
09/25/1991CN1054777A Process and device for gas-phase polymerisation of alpha-olefins
09/25/1991CN1054776A Catalyst and prepolymer used for polymerising olefins, and (co-) polymer of ethylene obtainable therefrom
09/25/1991CN1054775A Catalysts and prepolymer used for polymerizing olefins, and (co-) polymer of ethylene obtainable therefrom
09/24/1991WO1991014714A1 Supported polymerization catalyst
09/24/1991US5051484 Process for producing granular thermoplastic elastomer and granular elastomer
09/24/1991US5051388 Supported polymerization catalyst
09/24/1991CA2051384A1 Supported polymerization catalyst
09/24/1991CA1289545C Catalyst component for polymerization of olefin
09/19/1991WO1991013917A1 Olefin polymerization catalyst
09/18/1991EP0447177A2 Process for the production of linear low density ethylene copolymers
09/18/1991EP0447079A2 Process for preparing polyolefins
09/18/1991EP0447071A1 Catalyst and prepolymer used for polymerising olefins, and (co-)polymer of ethylene obtainable therefrom
09/18/1991EP0447070A1 Catalyst and prepolymer used for polymerising olefins, and (co)polymer of ethylene obtainable therefrom
09/18/1991EP0447035A2 Method for the preparation of ethylene polymer compositions
09/18/1991EP0446989A2 Supported catalyst for ethylene polymerization and the copolymerization of ethylene with alpha-olefins, its preparation and use
09/18/1991EP0446801A2 Solid catalyst component for use in polymerization of alpha-olefins
09/18/1991EP0446505A1 Impact modified medical film
09/18/1991EP0446300A1 Ultrahigh molecular weight linear polyethylene, articles and processes of manufacture.
09/18/1991CN1054602A Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins
09/17/1991US5049687 Ethylene chain growth process
09/17/1991US5049535 Catalysts for the polymerization of olefins
09/17/1991US5049534 Silica as support for coordination catalyst
09/17/1991US5049533 Titanium, magnesium, halogen, keto-ester 7
09/17/1991CA1289127C Stabilized peroxydicarbonate composition
09/13/1991CA2036767A1 Catalyst and prepolymer used for polymerising olefins, and (co-) polymer of ethylene obtainable therefrom
09/13/1991CA2036766A1 Catalyst and prepolymer used for polymerising olefins, and (co-) polymer of ethylene obtainable therefrom
09/11/1991EP0446059A1 Process and device for the gas phase polymerization of alpha-olefins
09/11/1991EP0446013A2 Polyethylene and process of production thereof
09/11/1991EP0445303A1 PROCESS FOR PRODUCING POLY-$g(a)-OLEFIN
09/11/1991EP0445302A1 PROCESS FOR PRODUCING POLY-$g(a)-OLEFIN
09/11/1991CN1054424A Process for synthetizing solid catalyst of ziegler type or solid components of solid catalyst in multifunctiuonal rotary reactor, and agitator of magnetic drive in this reactor