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)
11/2003
11/11/2003US6646071 Catalysts for high temperature solution polymerization
11/11/2003US6646069 Ethylene polymers and method for producing the same
11/11/2003US6646067 Petroleum resins and their production with BF3 catalyst
11/11/2003US6646055 Introducing mono-olefinic monomer, catalyst, and initiator into a reactor to produce activatable prepolymer; contacing with multi-olefinic monomer to form microgel which comprise a core of crosslinked polymer and linear polymeric arms
11/11/2003US6645901 Solid catalyst component of given particle diameter, an organoaluminum compound and a prepolymer of ethylene and/or at least one alpha-olefin, specified aluminum-titanium ratio, volatile material content and intrinsic viscosity; fluidity
11/11/2003US6645900 Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel
11/06/2003WO2003091300A1 Aqueous polymer dispersions, based on copolymers of vinyl aromatics and butadiene, method for their production and their use as sizing agents for paper
11/06/2003WO2003091297A1 PROCESS FOR THE COPOLYMERISATION OF α-OLEFINS WITH VINYL MONOMERS
11/06/2003WO2003091296A1 Initiator composition and method for anionic polymerisation
11/06/2003WO2003091294A1 Rotomoulded articles prepared with polyethylene
11/06/2003WO2003091293A1 High dimension stability and high processability polyethylene in injection moulding
11/06/2003WO2003091292A2 Polymerisation catalyst
11/06/2003WO2003091291A1 Process for producing (meth)acrylic polymer terminated by crosslinkable silyl group
11/06/2003WO2003091289A1 Process for producing highly flowable propylene polymer and highly flowable propylene polymer
11/06/2003WO2003091288A1 A new class of amine coinitiators in photoinitiated polymerizations
11/06/2003WO2003091265A1 Alkaryl-substituted group 4 metal complexes, catalysts and olefin polymerization process
11/06/2003WO2003091262A1 Bridged bi-aromatic ligands, complexes, catalysts and processes for polymerizing and poymers therefrom
11/06/2003WO2003031481A3 Simultaneous reverse and normal initiation of atrp
11/06/2003WO2002060965A3 Low molecular weight isotactic polypropylene polymers, copolymers and derivatives and materials prepared therewith
11/06/2003US20030208023 Electrical devices from polymer resins prepared with ionic catalysts
11/06/2003US20030208021 Endcapping a vinyl homo- or copolymers with a compound having hydroxy groups; for use as plastics, adhesives, fibers and binders
11/06/2003US20030208018 A copolymer comprising a monomer of tosylethylmethacrylate having high absorbency at the 193 nm wavelength; forming ultrafine patterns during photolithography process
11/06/2003US20030208012 Controlling over the molecular weight and dispersion of addition polymerization
11/06/2003US20030208010 Olefin polymerization catalyst component, its preparation and use
11/06/2003US20030207762 Method to prepare a supported catalyst system comprising preparing a combination comprising 1) a first supported catalyst system comprising a support, an activator and a metal catalyst compound, and 2) a second supported catalyst system
11/06/2003US20030207757 Polymerization of low- density and high-molecular weight polyolefin, comprising unsymmetrical unabridged metallocene compound and an aluminoxane is disclosed, wherein the metallocene compound and the aluminoxane are uniformly
11/06/2003US20030207756 Polymerizing at least one monomer to produce a polymer. This invention also provides compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said composition comprises a post-contacted
11/06/2003US20030207755 Heteroatom containing malonates used in catalysts for the polymerization of olefins
11/06/2003US20030207754 Process for the polymerization of olefins
11/06/2003US20030207753 Catalyst modifiers and their use in the polymerization of olefin(s)
11/06/2003US20030207331 Encoding methods using up-converting phosphors for high-throughput screening of catalysts
11/06/2003CA2483192A1 Bridged bi-aromatic ligands, complexes, catalysts and processes for polymerizing and poymers therefrom
11/06/2003CA2481797A1 Aqueous polymer dispersions, based on copolymers of vinyl aromatics and butadiene, method for their production and their use as sizing agents for paper
11/06/2003CA2479942A1 A new class of amine coinitiators in photoinitiated polymerizations
11/05/2003EP1359192A1 Polyethylene pipe resins
11/05/2003EP1359167A1 Ethylene polymers
11/05/2003EP1359166A1 Olefin polymerization catalyst, catalyst component for olefin polymerization, method of storing these, and process for producing olefin polymer
11/05/2003EP1359165A1 Synthesis of high vinyl rubber
11/05/2003EP1358261A2 Polypropylene for precision injection molding applications
11/05/2003EP1358232A1 Method for preparing thermoplastic resin
11/05/2003EP1358230A1 Process for polymerizing cationically polymerizable monomers
11/05/2003EP1358229A1 Synthetic polyisoprenes and their preparation method
11/05/2003EP1358227A2 A catalyst system and its use in a polymerization process
11/05/2003EP1358223A1 Chelate catalyst for olefin polymerization and olefin polymerization method using the same
11/05/2003EP1358222A2 A method for preparing a supported catalyst system and its use in a polymerization process
11/05/2003EP1358221A1 Method for producing ethylene home-and co-polymer
11/05/2003EP1358220A1 Catalyst obtained by prepolymerization of polyolefin and olefin polymerization method using the same
11/05/2003EP1358216A2 Start-up procedure for multiple catalyst polymerization systems
11/05/2003EP1358194A1 Bridged biphospholes and metallocenes prepared therefrom
11/05/2003EP1082361B1 Copolymerization of olefins
11/05/2003EP1053266B1 Method for producing impact-resistant modified thermoplastic moulding materials
11/05/2003EP1049731B1 Method for avoiding instabilities during gas phase polymerisation of rubber
11/05/2003EP1023471B1 Propylene polymers for fibers and fabrics
11/05/2003EP0993466B1 Ruthenium and osmium catalysts
11/05/2003EP0986588B1 Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
11/05/2003CN1454220A Polymerization of olefinic orthoesters
11/05/2003CN1454219A A method for producing ethylene homo-and co-polymer
11/05/2003CN1454217A A catalyst for ethylene homo-and copolymerization
11/05/2003CN1453300A Catalyst for olefince oxide polymerization
11/05/2003CN1453298A Catalyst for olefine polymerizing reaction and its components
11/05/2003CN1453296A Bridged heterocyclic metallocene catalyst for olefine polymerization and its prepn
11/04/2003US6642400 To obtain a balance of processability and strength a metallocene catalyst was used comprising a bridged metallocene component linked to an unbridged metallocene component with a connecting ligand structure between the two
11/04/2003US6642340 Process for preparing an ethylene/α-olefin copolymer
11/04/2003US6642339 Films; low haze; impact strength; low hexane extractables
11/04/2003US6642333 Vinylpyrrolidone (co)polymer
11/04/2003US6642329 Method for continuous production of polyisobutene
11/04/2003US6642328 Useful as polyvinyl chloride plasticizers
11/04/2003US6642327 Late transition metal complexes, their use as catalysts and polymers therefrom
11/04/2003US6642326 Use of silanes to enhance activity in single-site polymerizations
11/04/2003US6642325 Silica gel-supported catalyst component for ethylene (co)polymerization, catalyst therefrom and use of the same
11/04/2003US6642324 Polymerizing ethylene, or polymerizing ethylene and at least one other olefin, using chromium catalyst on a support, and organoboron cocatalyst; stress crack resistance
11/04/2003US6642323 Process to produce a homogeneous polyethylene material
11/04/2003US6642322 Methods of making telechelic oligomers, methods of making block copolymers, and novel block copolymers
11/04/2003US6642306 Method for preparing stable (co) polymers dispersions in a polyol
11/04/2003US6642169 A catalyst for the polymerization of 1-olefins comprising the reaction product of (a) undehydrated silica gel; (b) a mixture of triethylaluminum and triisobutylaluminum and a (c) metallocene of titanium, or zirconium or hafnium or mixture
10/2003
10/30/2003WO2003089485A1 Method for polymerisation of olefins with indeno-indolyl catalysts
10/30/2003WO2003089484A1 Multi-component liquid azo-peroxide initiator mixture and method for using same
10/30/2003WO2003089483A1 Propylene polymerization process with enhanced catalyst activity
10/30/2003WO2003089444A1 Substituted polyclic, fused ring metal complexes and polymerization process
10/30/2003WO2003089390A2 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts
10/30/2003US20030204033 Polymerizing methacrylic ester or acrylic ester anionically, using a polymerization initiator comprising addition reaction product of conjugated diene compound and organic alkali metal compound and tertiary organoaluminum compound
10/30/2003US20030204032 Contacting ligand forming compound with transition metal compound and chromium immobilized support-agglomerate form coordination catalyst system
10/30/2003US20030204017 Isotactic propylene copolymers, their preparation and use
10/30/2003US20030203810 Catalyst component for addition polymerization, catalyst for addition polymerization, and process for producing addition polymer
10/30/2003US20030203809 Contacting an activator, a support, a bulky ligand metallocene catalyst compound, and an ionizing activator in diluent having a flash point of greater than 200 degrees F
10/30/2003US20030203808 Forming a coordination catalyst system useful for the polymerization of olefins comprising: providing as Component is selected from at least one ligand forming compound or precursor compounds capable of forming at least one ligand
10/30/2003US20030203807 Catalysts containing at least one heterocyclic ligand for improving the catalysts' performance of olefin polymerization
10/30/2003CA2482896A1 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts
10/30/2003CA2482813A1 Substituted polycyclic, fused ring metal complexes and polymerization process
10/29/2003EP1357142A2 Catalysts for the polymerisation of alkylene oxides
10/29/2003EP1357136A1 Injection molded article out of high density polyethylene prepared with a metallocene catalyst
10/29/2003EP1357135A1 Rotomoulded articles with dimensional stability
10/29/2003EP1357134A2 Catalyst compositions for the polymerization of olefins
10/29/2003EP1355982A1 High shrink polyethylene films
10/29/2003EP1355960A1 Catalytic system and method for preparing elastomers using same
10/29/2003EP1355959A1 Method for obtaining a polyisoprene with high cis-1,4 chaining
10/29/2003EP1355958A2 Process for the preparation of porous polymers and polymers obtainable thereof
10/29/2003EP1355956A2 Polymerization of olefinic compounds
10/29/2003EP1355955A1 Catalyst for the polymerization of olefins
10/29/2003EP1355954A1 Process for the preparation of propylene polymers
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