Patents for C08F 4 - Polymerisation catalysts (50,749)
06/1997
06/25/1997EP0780405A1 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
06/25/1997EP0780402A1 Supported catalyst system, process for production of the same and the use thereof for the polymerization of olefins
06/25/1997EP0780395A1 Catalysts for the polymerization of alpha-olefins
06/25/1997EP0779901A1 Method of preparing ethylene copolymers
06/25/1997EP0779898A1 Process for the packaged polymerization of olefinic monomers
06/25/1997EP0779837A1 Catalytic control of the mwd of a broad/bimodal resin in a single reactor
06/25/1997EP0631600B1 Production of an ethanol solution of ethyl or butyl half-ester of a copolymer
06/25/1997EP0615523B1 Process for polymerising olefinic feeds under pressure
06/25/1997EP0556374B1 A granular catalyst component for polymerizing olefins, its usage in the polymerization of olefins and a method for its preparation
06/25/1997CN1152582A Method for preparing catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer with catalyst
06/25/1997CN1152581A Chromium catalyst compositions and polymerization processes there with
06/25/1997CN1152580A Catalyst systems of ziegler-Natta type
06/24/1997US5641843 Process for polymerization of alpha-olefins
06/24/1997US5641842 Using catalyst system that comprises chromium component and support component
06/24/1997US5641721 Prepolymerized catalyst composition, a process for the preparation thereof, and a process for polymerizing α-olefins
06/24/1997US5641571 Polytetrafluoroethylene micor powders, their preparation and use
06/23/1997CA2193319A1 Supported catalyst system, a process for its preparation and its use for the polymerization of olefins
06/22/1997CA2191361A1 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
06/19/1997WO1997021742A1 Process for the preparation of polymerisates of vinyl aromatic compounds in a stage using double screw extruders
06/19/1997WO1997021741A1 Process for the preparation of copolymerisates of vinyl aromatic compounds in a stage using double screw extruders
06/19/1997WO1997021738A1 Polymerization catalyst and process for producing polymers
06/19/1997WO1997021737A1 Photoinitiator composition containing a borate salt and a hypervalent atom-containing salt
06/19/1997WO1997021717A1 Purification of metallocenes
06/19/1997DE19546500A1 Production of cyclo-olefin copolymers e.g. for pipes
06/19/1997CA2239858A1 Purification of metallocenes
06/18/1997EP0779306A2 Process for preparation of cycloolefin copolymers
06/18/1997EP0779295A1 Metallocenes
06/18/1997EP0778852A1 Thermoset elastomers
06/18/1997EP0778811A1 Synthetic swelling clay minerals
06/18/1997EP0778804A1 Optical pellicle membrane to frame adhesion method
06/18/1997CN1152324A Improved propylene copolymer heat seal resin and articles therefrom
06/18/1997CN1152318A Superatmospheric reaction
06/18/1997CN1152317A Superatmopheric reaction
06/18/1997CN1151995A Process for preparation of cyclenes copolymer
06/18/1997CN1151993A Metallocene catalyst for ethylene polymerization and relevant polymerization method
06/18/1997CN1035187C Process for polymerisation of propene
06/18/1997CN1035186C Components of catalysts for polymerization of olefins
06/18/1997CN1035185C Catalyst composition loaded on particles of magnesium chloride inpregnated by transition metal compound
06/17/1997US5639903 Cure epoxides under heating in short time
06/17/1997US5639842 Ethylene random copolymers
06/17/1997US5639839 Oligomers and polymers of aminoalkenes
06/17/1997US5639836 Pressurized nonaqueous emulsion polymerization in mixture of carbon dioxide, stabilizing surfactant and monomer yields water insoluble polymers
06/17/1997US5639835 Supported metallocene catalyst; does not require activator or cocatalyst
06/17/1997US5639834 Process for producing polyethylene having a broad molecular weight distribution
06/17/1997US5639822 Polymerizing propylene in the vapor phase in a fixed bed using hydrogen as a chain stopper and a coordination catalyst comprising a titaniferous solid component followed by the addition of an ethylene/propylene mixture
06/16/1997CA2192862A1 Process for the production of long-chain branched polyolefins
06/14/1997CA2192770A1 Metallocene compound
06/12/1997WO1997020872A1 Tackifiers and a process to obtain tackifiers
06/12/1997WO1997020871A2 Addition polymers of polycycloolefins containing silyl functional groups
06/12/1997WO1997020865A1 Method for extending the pot life of an olefin metathesis polymerization reaction
06/12/1997WO1997020864A1 Coated granular curing agent for radical-curable compounds and anchor bolt fixing composition prepared therefrom
06/12/1997WO1997020862A2 A process for preparing a branched polymer from a vinyl aromatic monomer
06/12/1997WO1997020790A1 Alkoxides with alkaline earths and titanium, zirconium and/or hafnium, their production and use
06/12/1997DE19546096A1 Verfahren zur Herstellung von Polymerisaten von vinylaromatischen Verbindungen in einer Stufe unter Verwendung von Doppelschneckenextrudern A process for preparing polymers of vinylaromatic compounds in one step by using twin-screw extruders
06/12/1997DE19546095A1 Verfahren zur Herstellung von Copolymerisaten von vinylaromatischen Verbindungen in einer Stufe unter Verwendung von Doppelschneckenextrudern A process for preparing copolymers of vinylaromatic compounds in one step by using twin-screw extruders
06/12/1997DE19545497A1 Ziegler-Natta type catalyst system giving reduced micro:speck formation
06/12/1997DE19545444A1 Alkoxide mit Erdalkalien und Titan, Zirkon und/oder Hafnium, deren Herstellung und Verwendung With alkaline earth metals and alkoxides of titanium, zirconium and / or hafnium, their preparation and use
06/12/1997CA2234866A1 A process for preparing a branched polymer from a vinyl aromatic monomer
06/11/1997EP0778295A1 Improved statistical propylene copolymers
06/11/1997EP0778294A1 Improved propylene polymers
06/11/1997EP0778293A2 Process for producing olefin polymer
06/11/1997EP0778291A1 Catalyst and process for producing conjugated diene polymer
06/11/1997EP0778290A2 Redox catalyst for the initiation of emulsion polymerization
06/11/1997EP0778289A1 Process for producing bimodal ethylene polymers in tandem reactors
06/11/1997EP0732972A4 Catalyst for use in olefin polymerization or copolymerization
06/11/1997EP0729387A4 Catalyst composition for use in the polymerization and copolymerization of ethylene
06/11/1997EP0688341B1 Butadiene polymers having terminal silyl groups
06/11/1997EP0590115B1 A polymerization catalyst carrier prepared by spray crystallization
06/11/1997EP0500575B1 Control of molecular weight and end group functionality in polymers using unsaturated peroxy compounds as chain transfer agents
06/11/1997CN1151747A Method of producing an aqueous polymer dispersion
06/11/1997CN1151409A Olefin polymerizationc atalyst component, olefin polymerizationc atalyst and producing olefin polymer
06/11/1997CN1151407A alpha-olefin polymerization catalyst and process for producing alpha-olefin polymer
06/10/1997US5637744 Bis fluorenyl metallocenes and use thereof
06/10/1997US5637665 Also having high elastic modulus; adhesives, sealants, coatings
06/10/1997US5637661 Molecular weight regulator for anionic polymerizations
06/10/1997US5637660 Polymerization of α-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety
06/10/1997US5637659 Method of polymerizing olefins using borabenzene catalysts
06/10/1997US5637627 Method for producing a spherical ion exchange resin
06/10/1997US5637400 Polymerization using aluminoxane or metallocene catalysts; optical waveguides, optical fibers
06/05/1997WO1997019991A1 Articles made from polypropylene, higher alpha-olefin copolymers
06/05/1997WO1997019980A1 Biaxially aligned polypropylene film made from metallocene polypropylene
06/05/1997WO1997019965A1 Mono-olefin/polyene interpolymers, method of preparation, compositions containing the same, and articles made thereof
06/05/1997WO1997019963A1 Polymerization processes
06/05/1997WO1997019960A1 Process for the preparation of olefinic polymers using metallocene catalyst
06/05/1997WO1997019959A1 Supported catalyst containing tethered cation forming activator
06/05/1997WO1997011775A3 Supported catalyst system, process for its production and its use in polymerising olefines
06/05/1997DE19544709A1 Biaxial orientierte Polypropylenfolie aus Metallocen-Polypropylen A biaxially oriented polypropylene film of metallocene polypropylene
06/05/1997CA2239193A1 Polymerization processes
06/05/1997CA2234108A1 Articles made from polypropylene, higher alpha-olefin copolymers
06/04/1997EP0776913A2 High molecular weight copolymers
06/04/1997EP0776912A1 Supported catalyst for olefin polymerization
06/04/1997EP0776909A1 High-density ethylenic polymer and process for producing the same
06/04/1997EP0776908A1 Catalyst composition having improved comonomer reactivity
06/04/1997EP0776900A1 Olefin polymerization catalyst compositions
06/04/1997EP0776340A1 Catalysts and processes for the polymerization of olefins
06/04/1997EP0606348B1 A procatalyst component based on a transition metal compound on a carrier of magnesium chloride and manganese halide
06/04/1997CN1151172A Articles made from polypropylene-high 'alpha' olefin copolymers
06/04/1997CN1151127A Method of producing a deposited catalyst for the polymerisation of ethylene and copolymersation of ethylene with 'alpha'-olefins
06/04/1997CN1150955A Process for preparing ethylene polymer
06/04/1997CN1150954A Chromium catalyst compositions and its use in the copolymerization method