Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds › C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
05/1990
05/29/1990US4929683 Organic ether, lewis acid complex
05/28/1990CA2003992A1 Homogeneous or supported vanadium based catalyst for olefin polymerization
05/28/1990CA2003762A1 Catalyst supports
05/25/1990CA2003625A1 Process for the preparation of catalysts for low-pressure polymerization of olefins
05/23/1990EP0369796A2 Production of alfa-olefin polymers
05/23/1990EP0369727A1 Process for preparing tetrafluoroethylene-ethylene copolymers
05/23/1990EP0369675A1 Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
05/23/1990EP0369640A2 Method and apparatus for gas phase polymerization of olefins in vertically stacked reactors
05/23/1990EP0369436A2 Process for the in situ blending of polymers
05/23/1990EP0369287A2 Process for the manufacture of odourless ethylene copolymers
05/23/1990EP0175000B1 Process for producing ethylene copolymer
05/23/1990CN1042367A Ethylene-alpha-olefin copolymer and films obtained thereof
05/23/1990CN1042366A Alkene polymerization process and catalyst compositions therefor
05/23/1990CN1042365A Method for reducing sheeting during polymerization of alpha-olefins
05/23/1990CN1008098B Process for simultaneously dimerizing ethylene and copolymerizing ethylene with dimerized product
05/22/1990US4927797 Catalyst system for the polymerization of olefins
05/22/1990CA1269490A1 Nucleation of propylene polymers
05/22/1990CA1269489A1 Injection blow molding grade propylene polymers
05/22/1990CA1269488A1 Polypropylene compositions of improved clarity
05/22/1990CA1269402A1 PROCESS FOR PREPARING .alpha.-OLEFINS FROM LIGHT OLEFINS
05/18/1990CA2002082A1 Method and apparatus for gas phase polymerization of olefins in vertically stacked reactors
05/17/1990WO1990005151A1 Method for preparing polyethylene wax by gas phase polymerization
05/17/1990WO1990005150A1 Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
05/17/1990WO1990005149A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/16/1990EP0368644A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/16/1990EP0368631A2 A process for the homo- or copolymerization of alpha-olefin, and a catalyst system used in the process
05/16/1990EP0368344A2 Process for producing alpha-olefin polymers
05/16/1990CN1042157A Catalysts for polymerization of olefins
05/16/1990CN1042156A Catalyst component used for olefinic polymerization and process of preparation thereof, catalyst used for olefinic polymerization and process for preparing olefin hydrocarbon
05/15/1990US4926002 Catalyst for olefin polymerization
05/15/1990US4925821 Method for utilizing triethyaluminum to prepare an alumoxane support for an active metallocene catalyst
05/15/1990CA1269197A1 Process for activation of titanium and vanadium catalysts useful in ethylene polymerization
05/15/1990CA1269196A1 Process for the production of a sticky polymer
05/09/1990EP0367597A1 Method for preparing polyethylene wax by gas phase polymerization
05/09/1990EP0367503A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/09/1990EP0367386A2 Improved A1C13 - catalyzed process for preparing poly-n-butenes from mixed butenes
05/09/1990EP0367385A2 Improved organo-A1-chloride catalyzed poly-n-butenes process
05/09/1990EP0366823A1 Method for reducing sheeting during polymerization of alpha-olefins
05/09/1990CN1041954A Process for synthesis of olefin polymer or copolymer
05/09/1990CN1041952A Olefin polymerization catalyst system
05/09/1990CN1007894B Modified polyethylene, process for preparing modified polyethylene, and products produced from modified polyethyene
05/08/1990US4923938 Catalyst for regulating the molecular weight distribution of ethylene polymers
05/08/1990US4923937 Method of polmerizing olefines
05/08/1990US4923935 Process for producing polyethylene of ultrahigh molecular weight
05/08/1990US4923833 Catalyst for olefin polymerization and processes for its production
05/08/1990CA2002436A1 Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
05/08/1990CA2002435A1 Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
05/08/1990CA1268754A1 Supported polymerization catalyst
05/08/1990CA1268751A1 Silica and magnesium chloride based support, process for its preparation, and catalysts made with said support
05/02/1990EP0366290A2 Process for producing olefin polymers
05/02/1990EP0366204A2 Alkene polymerization process and catalyst compositions therefor
05/02/1990EP0365974A2 Process for preparing an ethylene-propylene copolymer
05/02/1990CN1041769A Application of polypropylene with free-end long chain branching
05/02/1990CN1041768A Improved coextrudable adhesive for polystyrene, and products therefrom
05/02/1990CN1041764A Polymerization process of alpha-alkenes
05/02/1990CN1041763A High active catalyst for gas phase polymerisation of ethene and preparation thereof
05/01/1990US4921920 Process for the polymerization or copolymerization of alpha-olefins in a fluidized bed, in the presence of a Ziegler-Natta catalyst system
05/01/1990US4921919 Method and apparatus for minimizing polymer agglomerate or lump formation in a gas-phase polypropylene polymerization reactor
05/01/1990US4921825 Solid catalyst for olefin polymerization and processes for its production
05/01/1990US4921678 Apparatus for degassing and pelleting polyolefins
05/01/1990CA1268594A1 Process for the preparation of optically active polyolefins
05/01/1990CA1268582A1 High strength flame resistant poly-olefins comprising surface coated alumina hydrate plus organic titanate and methods of making
04/1990
04/25/1990EP0364759A2 Avoidance of coloured contaminants in the manufacture of high molecular weight polymers of ethylene by means of a titanium-containing catalyst system
04/25/1990EP0364636A1 Modifield catalyst composition for polymerizing alpha-olefins
04/25/1990EP0364635A1 Modified chromium-containing catalyst composition for polymerizing alpha-olefins
04/25/1990CN1041600A Olefin polymerization catalyst components, catalyst and olefin polymerization process
04/25/1990CN1007728B Process for reducing sheeting during polymerization of alpha-olefins
04/24/1990CA1268297A1 DEACTIVATION OF CATALYST IN SOLUTION PROCESS FOR POLYMERIZATION OF .alpha.-OLEFINS
04/24/1990CA1268296A1 REDUCTION OF ISOMERIZATION IN SOLUTION PROCESS FOR POLYMERIZATION OF .alpha.-OLEFINS
04/24/1990CA1268167A1 Catalyst for polymerization of olefins
04/18/1990EP0364290A2 Process for producing polyethylenes
04/18/1990EP0364098A2 A method for the preparation of a carrier for a zieglernatta polymerization catalyst, a carrier prepared using the method, and its use in a polymerization catalyst system
04/18/1990EP0363750A2 Peptized & phosphated inorganic oxides, catalysts, and polymerization processes
04/18/1990CN1041369A High strength linear, low density polyethylene polymerization process and film
04/18/1990CN1041368A Process for preparation of alpha-olefin polymers
04/17/1990US4918040 Polymerization of olefins
04/17/1990US4918038 Coordination polymerization catalyst
04/17/1990US4918037 Catalyst components for polymerization catalyst of olefins and method for the production thereof
04/17/1990CA1267994A1 Reduction of isomerization in solution process for polymerization of alpha-olefins
04/17/1990CA1267772A1 Manufacturing process of spherical particles from group ii metal compounds
04/13/1990CA2000567A1 Process for producing polyethylenes
04/11/1990EP0363167A2 Process for producing granular propylene polymers
04/11/1990EP0363144A2 A method for producing a homopolymer or copolymer of an alpha-olefin
04/11/1990EP0363029A2 Olefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefins
04/11/1990EP0362744A2 Process for preparing ethylene homopolymers and copolymers of ethylene with higher alpha-olefins by means of a Ziegler catalytic system
04/11/1990EP0362743A2 Process for preparing ethylene homopolymers and copolymers of ethylene with higher alpha-olefins by means of a Ziegler catalytic system
04/11/1990EP0362705A2 Catalysts for the polymerization of olefins
04/11/1990EP0362629A2 Avoidance of coloured contaminations during the preparation of ultra-high molecular weight polyethylenes by means of a catalyst containing titanium
04/11/1990CN1041162A Olefin polymerization catalyst, component thereof and process for polymerizing olefins with catalyst, and film and injection-molded article from obtained polyolefin
04/10/1990US4916198 High melt strength, propylene polymer, process for making it, and use thereof
04/10/1990US4916099 Solid catalyst component for olefin copolymerization and process for olefin copolymerization using said solid catalyst component
04/10/1990CA1267646A1 Catalyst and method for producing relatively narrow molecular weight distribution olefin polymers
04/10/1990CA1267645A1 Process and catalyst for the oligomerization of olefins
04/05/1990WO1990003403A1 A supported metallocene-alumoxane catlyst for high pressure polymerisation of olefins and a method of preparing and using the same
04/04/1990EP0361866A1 A supperted metallocene-allumoxane catalyst for high pressure polymerization of olefins and a method of preparing and using the same
04/04/1990EP0361598A2 Process for polymerizing ethylene and copolymerizing ethylene with alpha-olefins and relevant catalyst
04/04/1990EP0361520A2 Ethylene polymerization catalyst
04/04/1990EP0361494A2 Components and catalysts for the polymerization of olefins
04/04/1990EP0361371A2 Process for the preparation of alphaolefin polymers
04/04/1990EP0361363A2 High strength linear, low density polyethylene polymerization process and film (phenomenal film)
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