Patents for C08F 4 - Polymerisation catalysts (50,749)
11/2005
11/10/2005WO2005105877A1 Polyolefin graft copolymer, composition, and process for producing the same
11/10/2005WO2005105865A1 Process for the preparation of atactic 1-butene polymers
11/10/2005WO2005105864A1 Heterocyclic substituted metallocene compounds for olefin polymerization
11/10/2005WO2005105863A2 Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins
11/10/2005WO2005105858A1 Catalyst component for olefin polymerization reaction and catalyst thereof
11/10/2005WO2005105855A1 Free radical polymerisation process for making macromonomers
11/10/2005WO2005104940A2 Heterophasic copolymer and metallocene catalyst system
11/10/2005WO2004005360A3 Catalyst system for the polymerization of olefins
11/10/2005US20050250956 Bridged biscyclopentadienyl ligands and method of preparation
11/10/2005US20050250920 emulsion olefin polymerization; catalyst is nickel or palladium complex with salicylaldimine ligand
11/10/2005US20050250918 Catalyst for olefin polymerization and process for polymerizing olefins
11/10/2005US20050250884 alkoxyamines used as light stabilizers, flame retardants and as polymerization regulators and/or initiators
11/10/2005DE102004020525A1 Production of catalyst system for the polymerization or copolymerization of olefins, by impregnating a dry porous support component with a mixture of organic transition metal compounds, hydrolyzed organo-aluminum compound(s), and solvent
11/10/2005DE102004020524A1 Polyethylene for film, e.g. stretch film, used in carrier bags, contains ethylene homopolymers and/or copolymers of ethylene with 1-alkenes
11/10/2005CA2553496A1 Heterophasic copolymer and metallocene catalyst system and method of producing the heterophasic copolymer using the metallocene catalyst system
11/09/2005EP1593697A1 Polyvinyl ethers having silicon-containing functional groups or atomic groups at the end and process for production thereof
11/09/2005EP1592719A1 Conjugation reactions
11/09/2005EP1592717A1 Supported olefin polymerization catalyst
11/09/2005EP1592682A1 Storage stable cyclic ketone peroxide compositions
11/09/2005EP1265937B1 Fluoro-olefin polymerization
11/09/2005EP1252166B1 Olefin polymerization cocatalysts derived from group-15 cationic compounds and processes using them
11/09/2005CN1694908A Copolymers of ethylene with various norbornene derivatives
11/09/2005CN1694907A Catalyst for polymerizing a-olefin and production method of a-olefin polymer using the same
11/09/2005CN1694906A Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands
11/09/2005CN1694892A Preparation of partially hydrogenated rac-ansa-metallocene complexes
11/09/2005CN1693315A Polyethylene resins with bimodal molecular weight distribution and use
11/09/2005CN1693314A Process for producing modified particle, catalyst component or catalyst for addition polymerization, process for producing addition polymerization
11/09/2005CN1226341C Ethylene copolymer composition
11/09/2005CN1226320C Method for preparing copolymer between N-vinyl pyrrolidone and vinyl acetate
11/09/2005CN1226316C Process for polymerization preparation of vinyl chloride/isobutyl vinyl ether copolyresin latex
11/09/2005CN1226312C Process for producing olefin polymer
11/08/2005US6963017 Reacting indanone compound with coupling component
11/08/2005US6962962 Optically active polymer of chiral alkoxy-substituted phenylacetylene
11/08/2005US6962961 S,S′-BIS-(α, α′-DISUBSTITUTED-α-ACETIC ACID)-TRITHIOCARBONATES AND DERIVATIVES AS INITIATOR-CHAIN TRANSFER AGENT-TERMINATOR FOR CONTROLLED RADICAL POLYMERIZATIONS AND THE PROCESS FOR MAKING THE SAME
11/08/2005US6962890 Olefin polymerization catalyst and process for olefin polymerization using the olefin polymerization catalyst
11/08/2005CA2277164C Method of controlling polymer molecular weight and structure
11/08/2005CA2152931C Diaryl carbinol metathesis catalysts
11/03/2005WO2005103141A1 α-OLEFIN POLYMER COMPOSITIONS, MOLDED OBJECTS MADE FROM THE COMPOSITIONS, AND NOVEL POLYMER
11/03/2005WO2005103100A1 Polyethylene and catalyst composition for its preparation
11/03/2005WO2005103099A1 Catalyst system for olefin polymerization, its production and use
11/03/2005WO2005103096A1 Polyethylene for injection moldings
11/03/2005WO2005103095A1 Polyethylene and catalyst composition for its preparation
11/03/2005WO2005103092A1 METHOD FOR PRODUCING α-OLEFIN POLYMER
11/03/2005WO2005102973A1 Magnesium compound, catalyst for olefin polymerization and method for producing olefin polymer
11/03/2005WO2005075526A3 Hydrophobization and silica for supported catalyst
11/03/2005WO2005058916A3 Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins
11/03/2005WO2005014601A3 Process for the preparation of a polyolefin
11/03/2005US20050245714 Precision control of molecular weights and molecular weight distributions
11/03/2005US20050245704 Method for preparing homo-and co-polymers of cyclic olefin compounds
11/03/2005US20050245703 addition polymerization of nonaromatic cyclic olefins, such as alkylnorbornenes and dicyclopentadienes, in the presence of a catalyst complex also including a nickel II carboxylate and an aluminoxane compound; high molecular weight polymer in high yields; gelation inhibition
11/03/2005US20050245702 nickel, palladium, iron or cobalt complexes with neutral ligands that contain one or both of the imino (C=N) or phosphinidine (C=P) or (P-C=N) groups; polymerization of ethylene for example
11/03/2005US20050245701 Process for producing modified particle; carrier; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition polymer
11/03/2005US20050245700 Ethylene polymerization process
11/03/2005US20050245699 using supported metallocene catalysts; gas phase polymerisation; organometallic compound is premixed with dried activated catalyst component as a separate component before the resulting mixture is added to the reactor as the catalyst system
11/03/2005US20050245697 with a chromium oxide supported on a silica-titania support, reduced with carbon monoxide and a Ziegler-Natta catalyst to a +2 state; for both extremely low density and extremely high density polymers in same reator conditions; polyolefins with decreased bimodal molecular weight distribution
11/03/2005US20050245624 Polymeric support having novel pore structures
11/03/2005DE102005016603A1 Verfahren zur Herstellung einer Propylenharzzusammensetzung A process for preparing a propylene resin composition
11/03/2005CA2562925A1 Polyethylene and catalyst composition for its preparation
11/03/2005CA2562292A1 Polyethylene for injection moldings
11/03/2005CA2562289A1 Polyethylene and catalyst composition for its preparation
11/02/2005EP1590387A1 Ring-opened azlactone initiators for nitroxide-mediated polymerization
11/02/2005EP1590382A1 Improved termination and reduced gel in high cis polybutadiene
11/02/2005EP1590381A1 Method for producing polyisobutene
11/02/2005EP1590377A1 Polymerization catalysts, organic transition metal compounds, process for preparing polyolefins and polyolefins
11/02/2005EP1590376A2 Catalyst combination, isotactic polymers, method for producing linear isotactic polymers, and the use of said polymers
11/02/2005EP1590375A1 Catalyst system for preparing styrene polymer and method for preparing of styrene polymer using the same
11/02/2005EP1590374A1 Azlactone initiators for nitroxide-mediated radical polymerization
11/02/2005EP1543043A4 Synthesis of macrocyclic polymers by ring insertion polymerization of cyclic olefin monomers
11/02/2005EP1424348B1 Propylene polymer
11/02/2005EP1397394A4 Polyethylene resins
11/02/2005EP1358261A4 Polypropylene for precision injection molding applications
11/02/2005EP1339726B1 Catalyst composition and method of polymerization
11/02/2005EP1159316B1 Process for producing polyethylene
11/02/2005EP1123324B1 Process using dialkylperoxide compounds for initiating a chemical reaction
11/02/2005EP1041092B1 Ethylene/aromatic vinyl copolymer and process for producing the same
11/02/2005EP0890664B1 Fibers and fibrous moldings made by using the same
11/02/2005CN1692131A Method for polymerizing cycloolefin polymer containing polar functional groups and electronic devices employing the polymerized cycloolefins
11/02/2005CN1692129A Catalyst system and its use in a polymerization process
11/02/2005CN1692118A Olefin polymerization catalysts containing a pyrrole bisimine ligand
11/02/2005CN1691979A Bimetallic catalysts with higher activity
11/02/2005CN1690088A Process for preparing supported metallocene catalyst
11/02/2005CN1225488C Process for polymerizing cationically polymerizable monomers
11/02/2005CN1225485C (Co) polymerization of vinyl chloride in presence of stable nitroxyl free radical
11/01/2005US6960676 Method of preparing group 14 bridged biscyclopentadienyl ligands
11/01/2005US6960645 Synthesis of ion imprinted polymer particles
11/01/2005US6960635 Isotactic propylene copolymers, their preparation and use
11/01/2005US6960634 Methods for adjusting melt properties of metallocene catalyzed olefin copolymers
11/01/2005US6960631 Block copolymerization of a conjugated diene and an aromatic vinyl compound, which comprises the steps of carrying out homopolymerization of the conjugated diene in the presence of a catalyst composition comprising the following
11/01/2005US6960550 Polymerizing alpha-olefin monomer(s) in presence of catalyst system comprising unbridged fluxional metallocene and a cocatalyst; introducing ethylene into polymerization system
11/01/2005US6960549 Catalyst modifiers and their use in the polymerization of olefin(s)
10/2005
10/27/2005WO2005100418A1 Preparation of polyethylene films
10/27/2005WO2005100410A1 Process for producing olefin polymer
10/27/2005WO2005100409A1 Catalyst component for ethylene polymerisation, preparation process thereof, and catalyst containing the same
10/27/2005WO2005082962A3 Catalyst grain size
10/27/2005WO2005075419A8 Method for preparing organic peroxides on site
10/27/2005US20050239982 Process for producing crystalline 1,2-polybutadiene
10/27/2005US20050239981 Phosphorus bridged metallocene compounds for olefin polymerization
10/27/2005US20050239980 Phosphorus substituted metallocene compounds for olefin polymerization
10/27/2005US20050239979 Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins
10/27/2005US20050239978 catalyst consists of product of reaction of magnesium alkoxide with transition-metal compound a and organometallic compound b where a has been produced by reacting compound of titanium, zirconium, vanadium or chromium with gelatinous alkoxide