Patents for C08F 4 - Polymerisation catalysts (50,749)
07/2001
07/18/2001EP1115727A1 Aluminoxane synthesis employing reduced amount of trialkylaluminum compound
07/18/2001EP1015514B1 Organo-aluminum compounds immobilized on organopolysiloxane microgel particles
07/18/2001EP0996502A4 Heteropoly acid peroxide promoter
07/18/2001EP0763044B1 Novel synthesis of ansa-metallocene catalysts
07/18/2001CN1304418A Method for producing highly reactive polyisobutenes
07/18/2001CN1304417A Polyacrylonitrile particles by surfmer polymerization and sodium removal by chemical exhcnage
07/18/2001CN1303873A Catalyst for additive polymerization reaction and process for preparing additive polymer using same
07/18/2001CN1303872A Component of polyaddition catalyst, polyaddition catalyst and process for preparing addition polymer
07/18/2001CN1068608C Propylene block copolymer, process for producing the same, and composition comprising the same
07/18/2001CN1068606C Method for producing polyethylene having broad molecular weight distribution
07/18/2001CN1068605C Catalyst composition for polymerization of olefin hydrocarbon and prepolymer used for same
07/17/2001US6262324 Ethylene-alpha-olefin polymers, processes and uses
07/17/2001US6262286 Reacting aromatic transition metal complexes with alkali or alkali metal cyclopentadienyl derivatives
07/17/2001US6262215 Produced by slurry polymerization
07/17/2001US6262206 Polymerizable compositions containing alkoxyamine compounds derived from nitroso- or nitrone compounds
07/17/2001US6262205 Curing radical-polymerizable multicomponent mixture containing olefinically-unsaturated compound with air by adding to alkyl, cycloalkyl or aryl hydrazone of an aliphatic, cycloaliphatic or aromatic aldehyde or ketone and metal compound
07/17/2001US6262204 As polymerization initiator for polymerization of (meth)acrylic monomers and optionally ethylenically unsaturated monomers
07/17/2001US6262203 Homopolymerizing propylene with metallocene catalyst of metals selected from titanium, zirconium and hafnium to produce polypropylene with alternating stereo-regular crystallizable blocks and stereo-irregular non-crystallizable blocks
07/17/2001US6262202 Contacting one or more ethylenically unsaturated monomers with catalyst system comprising organometallic transition metal compound activated and stabilizing compatibel complex having aromatic ligands to produce polyolefin
07/17/2001US6262201 As polymerization catalyst in producing polyolefins
07/17/2001US6262200 (Polyfluoroaryl)fluoroanions of aluminum, gallium, and indium of enhanced utility, uses thereof, and products based thereon
07/17/2001US6262199 Process and catalyst for producing isotactic polyolefins
07/17/2001US6262198 Preparation of homo- or copolymers of ethylene and olefinically unsaturated hydrocarbons by the insertion polymerization method using a catalyst system of the ziegler catalyst type comprising amidinato metal complex and acceptor
07/17/2001US6262197 As polymerization catalyst in olefin polymerization
07/17/2001US6262196 As polymerization catalyst in polymerization of olefins
07/17/2001US6262195 Multi-stage process for the polymerization of olefins
07/17/2001US6262194 Preparing homopolymers, copolymers or block copolymers comprising cycloolefinic monomer units, wherein the polymerization is carried out in presence of metal complex catalyst
07/17/2001US6262181 As component of photoresists
07/17/2001US6262179 Polymerization in presence of vinylaromatic monomer and rubber during which a phase inversion takes place resulting in formation of rubber nodules, polymerization being thermally initiated or initiated by initiator being stable free radical; improved melt index and impact strength; injection moldable
07/17/2001US6262141 Process for the preparation of polymers having low residual monomer content
07/17/2001US6261687 Oxygen plasma resistant polymer for electrical devices
07/17/2001CA2029153C Process for the preparation of metallocenes
07/17/2001CA2027146C Process and catalyst for producing syndiotactic polymers
07/12/2001WO2001049764A1 Copolymers prepared by using both anionic polymerization techniques and coordination catalysts
07/12/2001WO2001049763A1 Process for producing blends of syndiotactic 1,2-polybutadiene and rubbery elastomers with an iron-based catalyst system
07/12/2001WO2001049755A1 IRON-BASED CATALYST FOR PRODUCING BINARY Cis-1,4-/1,2-POLYBUTADIENE
07/12/2001WO2001049754A1 Catalyst composition and process for controlling the characteristics of conjugated diene polymers
07/12/2001WO2001049753A1 Preparation of conjugated diene polymers by using an iron-based catalyst system
07/12/2001WO2001049748A1 Unique supported metallocene catalyst for producing syndiotactic styrenic polymer
07/12/2001WO2001049747A1 Organometal catalyst compositions
07/12/2001WO2000040624A9 Improved cationic polymerization process and catalyst system therefor
07/12/2001US20010007896 A copolymer comprising from 90 to 99.999 weight percent of olefin units, from 0.001 to 2.000 weight percent of alpha, omega-diene units, wherein the copolylmer has weight average molecuar weight 50,000- 2,000,000
07/12/2001US20010007895 Organometallic complexes having two unbridged phosphinimine ligands and at least one activatable ligand free of cyclopentadienyl, indenyl or fluorenyl ligand are catalyst components for olefin polymerization
07/12/2001US20010007894 Slurry polymerization of ethylene and mono-1-olefin comonomer in an isobutane diluent with catalysts of chromium supported on a silica-titania and a trialkylboron compound, and recovering the copolymer
07/12/2001US20010007848 Organometallic compound
07/12/2001DE19962905A1 Bridged cyclopentadienyl compounds and corresponding metallocene catalysts are useful for the production of polyolefins, preferably ethylene-propylene copolymers
07/11/2001EP1114837A2 Process for preparing double bond containing polymers by ring-opening polymerisation
07/11/2001EP1114832A1 Modified particles, catalyst for olefin polymerization using the same, and process of producing olefin polymer
07/11/2001EP1114831A2 Catalyst for olefin polymerization, process for olefin polymerization using the same, ethylene/alpha-olefin copolymer, graft modified ethylene/alpha-olefin copolymer, and ethylene copolymer composition
07/11/2001EP1114073A1 Gel reduction in high cis-1,4-polybutadiene production process
07/11/2001EP1114072A1 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use
07/11/2001EP1114071A1 Dual reactor polyethylene process using a phosphinimine catalyst
07/11/2001EP1114070A1 Process for preparing polyolefin polymerization catalysts
07/11/2001EP1114069A1 A method for preparing a supported catalyst system and its use in a polymerization process
07/11/2001EP1114055A1 Dinuclear fluoroaryl aluminum alkyl complexes
07/11/2001EP0894108B1 Highly active double metal cyanide catalysts
07/11/2001CN1303400A Propylene homopolymers and methods for making the same
07/11/2001CN1303399A Copolymerization of olefins
07/11/2001CN1303398A Molecular weight control in olefin polymerization
07/11/2001CN1303396A Polymerization method
07/11/2001CN1303385A Stable concentrated rare earth carboxylate liquids
07/11/2001CN1302820A Modified particles and preparation method of olefine polymerization catalyst and olefine polymer using said particle
07/11/2001CN1302694A Process for preparing zinc bicarboxylate catalyst
07/11/2001CN1068342C Stabilization of polymer by stable free radical
07/11/2001CN1068332C Metalocenes compound
07/11/2001CN1068331C Transition metal catalyst based on bidentate ligands containing pyridine or quinoline moiety
07/11/2001CN1068330C Metallocene compound and its use as catalyst component
07/11/2001CN1068329C Metallocenic compound
07/11/2001CN1068323C Cyclic ketone peroxide formulations
07/11/2001CN1068279C Heat sealable films and articles
07/10/2001US6258912 Polyolefin
07/10/2001US6258911 Thermoplastic resin with covalently bonded stable free radical group
07/10/2001US6258906 Reacting, in water, an alkyl haloformate with an inorganic peroxide, adding an inorganic salt to increase the density of the aqueous mixture, solvent extracting the formed dialkyl peroxydicarbonate
07/10/2001US6258905 Stabilized, unimolecular initiators for hydrocarbon polymerization
07/10/2001US6258904 Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
07/10/2001US6258903 Mixed catalyst system
07/10/2001US6258902 Olefin polymerization process
07/10/2001US6258901 Process for producing lightly colored p-vinylphenol polymer
07/10/2001US6258886 Gas phase anionic polymerization of diene elastomers
07/10/2001US6258744 Olefin polymerization catalyst
07/10/2001US6258407 Precursors for making low dielectric constant materials with improved thermal stability
07/10/2001CA2016994C Viscosity modification of mineral oils
07/05/2001WO2001048040A1 Process for the preparation of ethylene polymers
07/05/2001WO2001048039A2 Process for the preparation of ethylene polymers
07/05/2001WO2001048038A1 Hybrid ziegler-natta and cycloalkadienyl catalysts for the production of polyolefins
07/05/2001WO2001048037A1 Mixed metal alkoxide and cycloalkadienyl catalysts for the production of polyolefins
07/05/2001WO2001048036A1 Self-supported hybrid catalysts for the production of polyolefins
07/05/2001WO2001048035A2 Chemical compound, method for the production thereof and its use in catalyst systems for producing polyolefins
07/05/2001WO2001048034A2 Transition metal compound, ligand system, catalyst system and the use of the latter for the polymerisation and copolymerisation of olefins
07/05/2001WO2001048029A1 Mixed ziegler/metallocene catalysts for the production of bimodal polyolefins
07/05/2001WO2001048028A1 Olefin production
07/05/2001WO2001048027A1 Polymerization catalysts and processes therefor
07/05/2001WO2001048026A1 Latex with high non-volatile matter content, low viscosity and having a bimodal distribution
07/05/2001WO2001047939A1 Heterocyclic metallocene compounds and use thereof in catalyst systems for producing olefin polymers
07/05/2001WO2001047852A1 Onium salt compound, energy-ray-curable composition containing the same, and cured article thereof
07/05/2001WO2001047824A1 Optical fiber coating compositions
07/05/2001WO2001047635A2 Supported catalyst system containing a metallocene, a lewis base and an elementally organic compound of main group iii and the use thereof
07/05/2001US20010007044 Olefin polymerization catalysts
07/05/2001US20010007009 Transition metal catalyzed polymerization of olefinic monomers in a water-containing polymerization medium
07/05/2001US20010007008 Electron donors in a ziegler-natta catalyst for the production of high melt flow copolymers