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)
11/2000
11/16/2000CA2372636A1 A polymerization process for producing easier processing polymers
11/16/2000CA2372531A1 High-stiffness propylene polymers and a process for the preparation thereof
11/15/2000EP1052266A1 High activity polyethylene catalyst
11/15/2000EP1052263A2 Transition-metal compounds, catalyst systems, process for their preparation and use in the polymerisation of olefins
11/15/2000EP1051254A1 Coreactive supporting materials for heterogenization of catalysts, cocatalysts and ligands
11/15/2000EP0863919B1 Supported catalyst containing tethered cation forming activator
11/15/2000CN1273589A Polymer emulsion and process for producing the same
11/15/2000CN1058502C Method for continuous polymerization a-alkene
11/14/2000US6147271 Controlling oligomerization of acyclic monoolefin monomer to produce predetermined relative amounts of at least two preselected oligomers in higher boiling fraction of oligomerization products, recycling lower boiling products
11/14/2000US6147251 Preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content; catalyst promoters in ethylene polymerization and copolymerization
11/14/2000US6147184 Onium borates/borates of organometallic complexes and cationic initiation of polymerization therewith
11/14/2000US6147180 Thermoplastic elastomer compositions from branched olefin copolymers
11/14/2000US6147178 Rubber comprising diene-vinyl aromatic copolymer bearing quaternary ammonium groups; tensile strength, wear resistance, heat resistance, improved affinity for silica reinforcement
11/14/2000US6147177 Polycyclic resist compositions with increased etch resistance
11/14/2000US6147174 Catalyzed polymerization of olefins using organometallic catalyst activated by reaction with a group iiia element cocatalyst complex including a halogenated nitrogenoaryl ligand
11/14/2000US6147173 Nitrogen-containing group 13 anionic complexes for olefin polymerization
11/14/2000US6147172 Highly active non-metallocene olefin polymerization catalyst
11/14/2000US6147171 Supported chromium-containing catalyst for alpha-olefin polymerization
11/14/2000US6147164 Technique for reducing the cold flow of rubbers
11/14/2000US6147025 Metallocene catalyst composition and process for activating a metallocene procatalyst
11/14/2000US6147024 Catalyst systems for improved stereoselectivity and broader molecular weight distribution in polymerization of olefins
11/14/2000US6146758 Isotactic polymer having 95% meso diads, 0.5-2% 2,1 inserts produced using a metallocene catalyst having a bridged racemic bis(indenyl)ligand; mechanical properties (toughness, elongation) controlled by high speed spinning and drawing
11/14/2000CA2164175C Fine-grained polymerizable compositions flowable under pressure or shear stress
11/09/2000WO2000066639A1 Propylene copolymer and molded object obtained by molding the copolymer
11/09/2000WO2000066638A1 Polymerization of ethylene
11/09/2000WO2000066637A1 Olefin polymerization with fatty amine additives
11/09/2000WO2000066600A1 Metal organic catalysts for polymerizing unsaturated compounds
11/09/2000WO2000066596A1 Bis(n,n-dihydrocarbylamino)- substituted cyclopentadienes and metal complexes thereof
11/09/2000WO2000037511A3 Olefin polymerization catalyst system, polymerization process and polymer therefrom
11/09/2000DE19920937A1 Double metal cyanide catalyst used in production of polyether polyol, e.g. for polyurethane manufacture, contains ionic surfactant and different organic complex ligand
11/09/2000DE19920486A1 Metallorganische Katalysatoren für die Polymerisation ungesättigter Verbindungen Organometallic catalysts for the polymerization of unsaturated compounds
11/09/2000DE19917984A1 Chemische Verbindung, Verfahren zu deren Herstellung und deren Verwendung in Katalysatorsystem zur Herstellung von Polyolefinen Chemical compound, processes for their preparation and their use in a catalyst system for producing polyolefins
11/09/2000CA2365271A1 Polymerization of ethylene
11/09/2000CA2365229A1 Bis(n,n-dihydrocarbylamino)- substituted cyclopentadienes and metal complexes thereof
11/08/2000EP1050558A1 Ethylene/alpha-olefin copolymer composition, graft modified ethylene/alpha-olefine copolymer composition, ehtylene copolymer composition, and multi-stage olefin polymerization process
11/08/2000EP1050538A2 Irradiation-curable silicone compositions containing photo-active platinum (IV) compounds
11/08/2000EP1049741A2 Polyolefins and uses thereof
11/08/2000EP1049731A1 Method for avoiding instabilities during gas phase polymerisation of rubber
11/08/2000EP1049728A1 Method for producing a catalyst system and use thereof during gas phase polymerisation of conjugated dienes
11/08/2000EP1049727A1 Catalyst system for gas phase polymerisation of conjugated dienes
11/08/2000EP1049705A1 Metallocene monohalogenides
11/08/2000EP1049704A1 Bridged metallocenes, preparation, use in catalytic systems
11/08/2000EP1049681A1 Azoic compounds functionalized with heterocycles
11/08/2000EP1049668A1 Ketone peroxide derivatives, their preparation and use
11/08/2000EP0918806B1 Process for producing diene polymer solutions in vinyl aromatic monomers
11/08/2000CN1272853A Improved easy processing linear low density polyethylene
11/08/2000CN1272852A Process for preparation of copolymers of ethylene with alpha-olefins
11/08/2000CN1272851A Catalyst for olefin polymerization and method of polymerizing olefin
11/08/2000CN1272850A Catalyst for olefin polymerization and method of polymerizing olefin
11/08/2000CN1272849A Process for producing copolymers of ethylene and at least one other olefin
11/07/2000US6143911 Catalyst useful for the polymerization of olefins
11/07/2000US6143854 Polymerization catalysts, their production and use
11/07/2000US6143847 Such as methacrylate polymers of narrow molecular weight distribution
11/07/2000US6143846 Propylene isotactic homo- and co-polymer waxes prepared by polymerization using bridged metallocenes in the presence of hydrogen; low-viscosity, high hardness and good thermal stability; noncrosslinking, nondiscoloring; use in toners
11/07/2000US6143845 Process for producing polyolefin
11/07/2000US6143844 Catalyst for olefin polymerization and a method for the manufacture thereof
11/07/2000US6143686 For addition polymerization of alpha olefins, such as propylene to produce stereospecific polmer
11/07/2000US6143685 Process for obtaining a catalytic system for the polymerization of . .alpha-olefins in suspension in gas phase at low and high temperature or in a mass at high pressure and high or low temperatures
11/07/2000US6143684 For stereospecific polymerization of olefins such as propylene
11/07/2000US6143683 Metallocene catalyst and catalyst system for polymerizing an olefin having at least 3 carbon atoms
11/07/2000US6143682 Used as catalyst for polymerization of ethylenically and acetylenically unsaturated monomers
11/07/2000CA2024114C Phenolic compounds as chain-terminators for the anionic solution polymerisation of dienes
11/07/2000CA2023056C Process for preparing a vanadium/titanium based catalyst suitable for olefin polymerisation
11/02/2000WO2000064983A1 Processing aid for thermoplastic resin and thermoplastic resin composition containing the same
11/02/2000WO2000064952A2 Non-crosslinked polyethene
11/02/2000WO2000064948A1 A method of anionically polymerizing monomers by contacting the monomers with a monofunctional anionic polymerization initiator
11/02/2000WO2000064914A1 Bidentate organophosphorous ligands and their use
11/02/2000WO2000064906A1 Chemical compound, method for the production thereof, and its use in a catalyst system for producing polyolefins
11/02/2000WO2000064705A1 Transport temperature control unit with removable panel
11/02/2000WO2000044795A8 A high activity olefin polymerization procatalyst, its preparation, catalyst system and use
11/02/2000EP1048675A1 Process for the suspension polymerization of conjugated dienes
11/02/2000EP1047718A1 Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process
11/02/2000EP1047717A2 Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
11/02/2000EP1047702A1 Bis(tetrahyydro-indenyl) metallocenes as olefin-polymerization- catalyst
11/02/2000EP0889911B1 Metallocene cocatalyst
11/02/2000EP0742798B1 Process for preparing polyolefins
11/02/2000EP0618931B2 A modified monocyclopentadienyl transition metal/alumoxane catalyst system for polymerization of olefins
11/02/2000DE19919870A1 Verfahren zur Suspensions-Polymerisation von konjugierten Dienen A process for suspension polymerization of conjugated dienes
11/01/2000CN1272117A Stable small sized particle water-in-water emulsions, synthesis method and application as thickening agents
11/01/2000CN1271738A Composite Ti-Ni catalyst for oligomerization and copolymerization of ethylene and its preparing process
11/01/2000CN1058022C Process for preparing mixture in reactor
11/01/2000CN1058015C Biscyclopentadienyl diene complexes
10/2000
10/31/2000US6140521 Contacting a charge-neutral group iv metal coordination complex having at least two lewis basic groups with a charge-neutral aluminum coordination complexes having lewis acidic aluminum atoms; olefin polymerization catalyst
10/31/2000US6140448 Process for preparing polysilane by catalytic dehydrogenative condensation of organosilane and metal complex catalyst therefor
10/31/2000US6140444 Organo-lithium reagent and a hydroxylamine; for reacting a silanol group with an alkoxysilane containing a polymerizable ethylenically unsaturated group
10/31/2000US6140443 Blow-moldable or extrudable ethylene polymer having specified number average molecular weight and melt flow rate
10/31/2000US6140442 Elastic fiber consisting of homogeneously branched substantially linear ethylene polymer having specified properties
10/31/2000US6140441 Curable ethylene-alpha-olefin-norbornene derivative non-conjugated diene terpolymer; dielectrics, automobile rubber seals/hoses, construction weatherproofing materials
10/31/2000US6140439 Polymers of cyclopentene
10/31/2000US6140434 Polymerization initiator mixture comprising organolithium compound, polar modifier and a high boiling dialkyl cyclohexanolate of a group ia metal; by-product inhibition noncontamination of recycled solvent stream
10/31/2000US6140432 Polymerization catalyst systems, their production and use
10/31/2000US6140385 Photoactive compounds for use with narrow wavelength band ultraviolet (UV) curing systems
10/31/2000CA2056531C A method for the modification of catalysts intended for the polymerization of olefins
10/30/2000CA2306725A1 A method for the suspension polymerization of conjugated dienes
10/26/2000WO2000063262A2 Delayed activity supported olefin polymerization catalyst compositions and method for making and using the same
10/26/2000WO2000063261A1 Components and catalysts for the polymerization of olefins
10/26/2000WO2000063256A1 Living cationic polymers prepared from silyl-functional aromatic initiators
10/26/2000WO2000062928A1 Catalyst system
10/26/2000DE19918420A1 New bidentate organophosphorus ligands whose transition metal complexes are useful as catalysts for polymerization and asymmetric synthesis comprise a trivalent phosphine group and another trivalent phosphorus group
10/26/2000DE19917985A1 Metallocene catalyst system, useful for the production of polyolefins, comprises an organoboron or organoaluminum compound covalently bonded to a support.
1 ... 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 ... 508