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 4 - Polymerisation catalysts
Patents for C08F 4 - Polymerisation catalysts (50,749)
04/1999
04/07/1999EP0906350A1 Frangible spray dried agglomerated supports, method of making such supports, and olefin polymerization catalysts supported thereon
04/07/1999EP0906349A1 Aggregate supports and olefin polymerization catalysts supported thereon
04/07/1999EP0906348A1 Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof
04/07/1999EP0906347A1 Polyolefin microspheres
04/07/1999EP0906344A1 Elevated pressure polymerization processes with late transition metal catalyst systems
04/07/1999EP0906343A2 Mixed transition metal catalyst systems for olefin polymerization
04/07/1999EP0906342A1 Polymerisation catalyst and process
04/07/1999EP0906323A1 Novel group iv metal complexes
04/07/1999EP0906321A1 Novel transition metal complexes and method for preparing them
04/07/1999CN1213416A Fibers and fibrous molding product
04/07/1999CN1213383A Propylene/ethylene copolymer, process for the production thereof, and molded articles thereof
04/07/1999CN1213382A Catalyst system and components
04/07/1999CN1212968A Solid aluminoxane for catalyst carrier, process for preparing same, and uses thereof
04/07/1999CN1042834C Process for preparing spherical catalyst for polymerization alpha-olefin, process for preparing spherical polyolefine of ultra-high molecular weight
04/06/1999US5892128 Temporarily inactivated benzoyl peroxide, processes for the production thereof, and the use thereof
04/06/1999US5892081 Selective preparation of racemic ansa-metallocene complexes
04/06/1999US5892079 Polymerization catalysts of metallocenes with cyclopentadiene
04/06/1999US5892078 Stereorigid metallocene compound
04/06/1999US5892076 Coordination catalyst
04/06/1999US5891976 Catalyst system for the polymerization of olefins, process for this polymerization and polymers thus obtained
04/06/1999US5891972 Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers
04/06/1999US5891971 Addition polymerization in the presence of free radical catalysts and a reducing agent tautomer
04/06/1999US5891963 Graft polymer using coordination catalyst
04/06/1999US5891931 Method of preparing foldable high refractive index acrylic ophthalmic device materials
04/06/1999US5891817 Dialkyldihydrocarbyloxysilanes
04/06/1999US5891816 Single site catalysts with MAO or borate free and their application for polyolefins
04/06/1999US5891814 Metallocenes
04/06/1999CA2084605C Chromium ribbon-like silicate clay alpha-olefin catalysts
04/06/1999CA2000182C Ethylene oligomerization process and catalyst
04/03/1999CA2246653A1 Grafted copolymer produced by radical polymerisation in the presence of stable radicals, its preparation and applications
04/01/1999WO1999015569A1 Polymerization catalysts and processes therefor
04/01/1999WO1999015538A1 Method for selective production of racemic metallocene complexes
04/01/1999WO1999015537A1 Transition metal compound
04/01/1999WO1999015536A1 Transition metal compound
04/01/1999WO1999015534A1 Modified alumoxane catalyst activator
04/01/1999DE19742910A1 Verfahren zur Herstellung von expandierbaren Styrolpolymerisaten A process for preparing expandable styrene polymers
04/01/1999CA2302173A1 Modified alumoxane catalyst activator
03/1999
03/31/1999EP0905290A2 Polypropylene fibers
03/31/1999EP0905173A1 Biaxially-oriented metallocene-based polypropylene films
03/31/1999EP0905154A1 Process for preparing syndiotactic vinyl aromatic polymers under high pressure inert gas
03/31/1999EP0905151A1 Production of polyethylene having a broad molecular weight distribution
03/31/1999EP0905148A1 Catalysts for polyethylene production and use thereof
03/31/1999EP0905147A1 Catalysts for polyethylene production and use thereof
03/31/1999EP0905146A1 Production of polyethylene having improved crack and/or impact resistance
03/31/1999EP0905145A1 Production of polyethylene having improved crack resistance
03/31/1999EP0904306A1 Process for preparing of moulding compounds, modified by acrylic rubber, using groups introduced into said acrylic rubber, which groups are decomposed by a redox constituent to form radicals
03/31/1999EP0904304A1 Manufacture of stereoregular polymers
03/31/1999EP0904301A1 Mettallocene catalyst systems with inorganic oxides as carriers
03/31/1999CN1212709A Method of catalyst transitions in olefin polymerizations
03/31/1999CN1212298A Polypropylene fibers
03/30/1999US5889129 Process for the preparation of acrylonitrile copolymers with at least one (di) olefin
03/30/1999US5889128 Living olefin polymerization processes
03/30/1999CA2056791C Polyhedral magnesium chloride particles as a support for a catalyst component; process for producing these products and use of said catalyst component for preparing polyolefins
03/30/1999CA1340474C A1c13-catalyzed process for preparing poly-n-butenes from mixed butenes
03/25/1999WO1999014271A1 Narrow mwd, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom
03/25/1999WO1999014270A1 Polypropylene composition
03/25/1999WO1999014269A1 Organo-aluminum compounds immobilized on organopolysiloxane microgel particles
03/25/1999WO1999014256A1 Photoresist compositions comprising polycyclic polymers with acid labile pendant groups
03/25/1999WO1999014250A1 Catalyst having a ketimide ligand
03/25/1999WO1999014247A1 Catalysts for the polymerization of olefins, process for the production of olefin polymers, and processes for the production of styrene polymers
03/25/1999WO1999014222A1 Bimetallic complexes and polymerization catalysts therefrom
03/25/1999WO1999014221A1 Cyclopentaphenanthreneyl metal complexes and polymerization process
03/25/1999WO1999014219A1 Bridge fluorenyl/indenyl metallocenes and the use thereof
03/25/1999WO1999002472A8 Manufacture of alpha-olefins
03/25/1999WO1999001481A3 Catalyst for the production of olefin polymers
03/25/1999WO1998046651A3 Living olefin polymerization processes
03/25/1999DE19741989A1 Transition metal compounds for olefin polymerisation
03/25/1999DE19741876A1 Selective preparation of racemic metallocene complexes, used as catalysts
03/25/1999DE19741846A1 New transition metal complexes for olefin polymerisation
03/25/1999DE19741201A1 Organoaluminium compounds immobilised on organopolysiloxane microcrogel particles used as cocatalysts
03/25/1999CA2303999A1 Organo-aluminum compounds immobilized on organopolysiloxane microgel particles
03/25/1999CA2303519A1 Bimetallic complexes and polymerization catalysts therefrom
03/25/1999CA2302234A1 Bridge fluorenyl/indenyl metallocenes and the use thereof
03/25/1999CA2301740A1 Cyclopentaphenanthreneyl metal complexes and polymerization process
03/24/1999EP0903357A1 Synthesis of 1,4-trans-polybutadiene using a lanthanide organic acid salt catalyst
03/24/1999EP0903356A1 Crystalline polypropylene, process for preparing the same, polypropylene composition, and thermoformed article
03/24/1999EP0903355A1 Two component supported catalyst and its use in the gas phase polymerisation
03/24/1999EP0902799A2 Terpolymerization
03/24/1999EP0902794A1 Catalyst
03/24/1999EP0902793A1 Modified polysiloxane catalysts and a method of using the same
03/24/1999CN1211998A Improved nonwoven fabrics
03/24/1999CN1211997A Process for producing alkene polymers by gas phase polymerization
03/24/1999CN1211996A Supported catalyst system
03/24/1999CN1211995A Olefin polymerization catalyst system, producing and using it
03/24/1999CN1211994A Supported catalyst system
03/24/1999CN1211992A Process for producing polymers of alkenes by suspension polymerisation
03/24/1999CN1211593A Molding material
03/24/1999CN1211580A Process for polymerizing acrylonitrile
03/24/1999CN1211579A Metallocene catalysis system for olefin polymerization and copolymerization and its preparation method
03/24/1999CN1042639C Process for preparation of low molecular weight copolymers of ethylene with at least one other 1-alkene
03/23/1999US5886224 Useful for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins
03/23/1999US5886202 Bridged fluorenyl/indenyl metallocenes and the use thereof
03/23/1999US5886123 High molecular weights and narrow molecular weight distributions; intrinsic viscosity of 6.0 dl/g.; ratio of monomers in sequence; films; synthetic rubbers
03/23/1999US5886118 Activating the additional homo- or copolymerization in solvent and a metal catalyst with an initiator selected from the group consisting of sulfonyl halides, halopropionitriles, monoadducts derived from sulfonyl halides and acrylonitrile
03/23/1999US5886117 Polymerizing vinyl aromatic monomer having high degree of syndiotacticity, in presence of a catalyst of the group 4 metal complex containing boron
03/23/1999US5886115 Bulk polymerization using a transition metal carbonyl complex catalyst and a cocatalyst having a silicon-hydrogen bone; kits for curable polymers; coatings, seals, adhesives; construction materials
03/23/1999US5886109 AZO group-containing high molecular weight compound for block copolymerization
03/23/1999US5886064 Fine-grained polymerizable compositions flowable under pressure or shear stress
03/23/1999US5885924 Reacting a carrier containing reactive functionalities, e.g., hydroxyl containing silica, with halogenated organic compounds, e.g., fluorosubstituted phenols, in the presence of a base
03/23/1999US5885920 Flowing a mixture to be emulsified containing a halogenated magnesium adduct and a dispersion medium through an emulsifying apparatus comprised of a conduit for passage of the mixture to be emulsified, and a vibrator, quenching
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