Patents for C08F 210 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (21,762)
01/2005
01/12/2005EP1494983A1 Oligomerization of olefins
01/12/2005EP1461197A4 Oxygen tailoring of polyethylene resins
01/12/2005EP1259553B1 High activity carbenium-activated polymerization catalysts
01/12/2005CN1564830A Method for preparing polyolefins
01/12/2005CN1564795A Method for producing 1-olefins using palladium-carbene compounds
01/12/2005CN1563119A Olefin hydrocarbon polymerization catalyst, method of preparing olefinic polymer, and olefinic polymer
01/12/2005CN1184256C Propylene polymer composition and its films made therefrom
01/12/2005CN1184242C Catalyst systems and their use in polymerization process
01/11/2005US6841643 Ethylene-alpha-olefin copolymer comprising propene, 1-butene, 1-hexene and/or 4-methyl-1- pentene comonomer; workability, oil retention of cable jelly
01/11/2005US6841642 Prepared from monoolefin, multiolefin, crosslinking, and chain transfer agents isobutylene, isoprene, divinylbenzene, and 2,4,4-trimethyl-1-pentene; cold flow, filler dispersion, extrusion rate and die swell
01/11/2005US6841634 Modified supported catalysts for the polymerization of olefins
01/11/2005US6841633 Lower α-alkene polymerization heterogeneous solid catalyst
01/11/2005US6841631 Catalyzing the gas phase polymerization of polyethylene, or ethylene-hexene copolymer in presence of two catalysts, adjusting polymeric melt index by altering the amount of the second metallocene catalyst
01/11/2005US6841630 Olefin polymerization reactions utilizing silyl-chromate and metallocene catalyst systems
01/11/2005US6841504 Polymerization catalyst activator and its use in a polymerization process
01/11/2005US6841502 For catalytic polymerization of ethylene/olefin copolymers
01/11/2005US6841501 Catalyst system for the polymerization of olefins
01/11/2005US6841500 Understanding cooperative effects of two metallic centers should let polyolefin manufacturers fine-tune polymer properties by varying catalyst
01/11/2005US6841498 For producing ethylene polymer and co-polymer with narrow molecular weight distribution as well as improved branching compositional distribution
01/11/2005CA2177377C Stretch cling film and fabrication method
01/06/2005WO2005000920A1 Process for manufacturing single-site polyolefins
01/06/2005WO2005000919A1 Polyolefins with high levels of long chain branching
01/06/2005US20050004385 Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same
01/06/2005US20050004334 Polymerization of alpha-olefins, and copolymers thereof
01/06/2005US20050004330 addition polymerization of acylic unsaturated hydrocarbons, in the presence of polymerization catalysts on aluminum phosphate supports and alumoxane activators; efficiency; copolymerization; low density polymers having improved toughness
01/06/2005US20050004328 Adducts of mid-range vinylidene content polyisobutylene polymer products and methods for making the same
01/06/2005US20050004314 High shrink polyethylene films
01/06/2005US20050004313 Rubbery polymer composition
01/06/2005US20050003952 Catalyst systems of the ziegler-natta type and their preparation
01/06/2005US20050003951 Using a coordination polymerization catalyst
01/06/2005US20050003950 Method of making mixed ziegler-natta/metallocece catalysts
01/06/2005CA2529663A1 Process for manufacturing single-site polyolefins
01/06/2005CA2528502A1 Polyolefins with high levels of long chain branching
01/05/2005EP1493760A1 Styrene copolymerisation process
01/05/2005EP1493759A1 Polymerisation process
01/05/2005EP1493758A1 Ethylene-vinyl alcohol copolymer resin pellets
01/05/2005EP1492825A1 Process for the copolymerization of ethylene
01/05/2005EP1358223A4 Chelate catalyst for olefin polymerization and olefin polymerization method using the same
01/05/2005EP1307492A4 A catalyst for ethylene homo- and copolymerization
01/05/2005EP1268375B1 Substituted polycyclic cyclopentadienes and method for their preparation
01/05/2005EP1146083B1 Use of a resin material for electrical insulating and electric wire and cable using the same
01/05/2005EP1015504B2 Method for copolymerizing ethylene with vinyl carboxylates
01/05/2005CN1561349A Supported phosphinimine polymerization catalyst
01/05/2005CN1561317A Chain growth reaction process
01/05/2005CN1183195C Stretched resin film and process for producing the same
01/05/2005CN1183168C Polymer composition, a process for the production thereof and films prepared thereof
01/05/2005CN1183167C Process for reducing the weight average molecular weight and melt index ratio of polyethy lenes and polyethylene products
01/05/2005CN1183165C Polyaddition catalyst compsns. polyaddition catalyst, and method for preparing addition polymer
01/04/2005US6838563 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
01/04/2005US6838540 Olefin polymer and production processes thereof
01/04/2005US6838539 Cureable silane functionalized sealant composition and manufacture of same
01/04/2005US6838531 Process and apparatus for separating diluent from polymer solids
01/04/2005US6838519 Multilayer golf ball and composition
01/04/2005US6838517 Method for producing ethylene-vinyl acetate copolymer and saponified product thereof
01/04/2005US6838410 Making ethylene copolymers is disclosed. Ethylene copolymerizes with an alpha -olefin in the presence of a making ethylene copolymers is disclosed. catalyst system comprising an activator and a silica-supported, bridged
01/04/2005US6838409 Metallocene of a transition metal compound, an oxygen-containing compound and/or a compound able to ionically complex with the transition metal compound, and the reaction product of triphenylmethyl alcohol and triisobutylaluminium
01/04/2005CA2294754C Catalyst for the production of olefin polymers
01/04/2005CA2277057C Catalyst composition for the production of olefin polymers
12/2004
12/30/2004US20040266963 Polymerization process
12/30/2004US20040265361 Pressure-sensitive adhesive sheet for application to skin and first-aid-plaster
12/29/2004WO2004113403A1 Functionalized polyalphaolefins
12/29/2004WO2004113397A1 Multi-catalyst system for olefin polymerization
12/29/2004WO2004072122A3 The preparation of a magnesium halide support for olefin polymerization and a catalyst composition using the same
12/29/2004EP1491219A2 Pressure-sensitive adhesive sheet for application to skin and first-aid plaster
12/29/2004EP1490415A1 Process for the gas-phase (co-)polymerisation of olefins in a fluidised bed reactor
12/29/2004EP1465948A4 Elastomeric compositions
12/29/2004EP1465929A4 Halogenated isoolefin based terpolymers
12/29/2004EP1390416B1 Propylene copolymer foams
12/29/2004EP1254186B1 Propylene impact copolymers
12/29/2004EP1222216B1 Propylene polymers and process for the preparation thereof
12/29/2004EP0690878B2 Process for forming a granular resin
12/29/2004CN1182165C Heterophase copolymers
12/29/2004CN1182164C Alpha-olefin copolymer, producing process thereof and its molded products
12/29/2004CN1182159C Continuous gas-phase polymerization process
12/29/2004CA2530026A1 Multi-catalyst system for olefin polymerization
12/28/2004US6835791 Heat shrinkage; low temperature sealing
12/28/2004US6835698 Mixture containing ethylene polymer
12/24/2004CA2471996A1 Pressure-sensitive adhesive sheet for application to skin and first-aid plaster
12/23/2004WO2004111098A2 Process for the production of polypropylene using a ziegler-natta catalyst
12/23/2004WO2004111097A1 Gas phase polymerization and method of controlling same
12/23/2004WO2004060921A3 Processes for transitioning between various polymerization catalysts
12/23/2004US20040260107 Metallocene polymerization catalyst increases the molar mass of the propylene-ethylene copolymer and at the same time maintains the desired stiffness of the propylene homopolymer
12/23/2004US20040260042 Bis (Salicylaldiminato) titanium complex catalysts, highly syndiotactic polypropylene by a chain-end control mechanism, block copolymer containing this
12/23/2004US20040260041 catalysts for polymerizing olefins
12/23/2004US20040260025 Reactor blends of two polymers of the ethylene, alpha-olefin, diene terpolymer type, an amorphous major component and semicrystalline minor component, wherein the viscosity of the major component is less than one fourth the viscosity of minor component; useful as roofing membranes
12/23/2004US20040259722 Multi-catalyst system for olefin polymerization
12/23/2004US20040258938 A blends of propylene polymer, polybutylene, hydrogenated polyterpenes, petroleum resin and fine particles; heat shrinking, printability and stiffness, and no environmental pollution when burned; labels, dry cell, a container, and a bottle
12/23/2004DE10325483A1 Polyethylene composition for producing small blow moldings, e.g. container, includes low-molecular-mass ethylene homopolymer, high-molecular-mass copolymer made from ethylene and olefin, and ultrahigh-molecular-mass ethylene copolymer
12/23/2004CA2527615A1 Gas phase polymerization and method of controlling same
12/23/2004CA2526144A1 Process for the production of polypropylene using a ziegler-natta catalyst
12/22/2004EP1489137A1 Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
12/22/2004EP1489112A2 Polymerisation process
12/22/2004EP1487887A2 Polycyclic, fused heteroring compounds, metal complexes and polymerization process
12/22/2004EP1487886A1 Substituted indenyl metal complexes and polymerization process
12/22/2004EP1487588A1 Separation of gases and solids using a cyclone
12/22/2004EP1141118B1 High mixture-quality bi-modal polyethylene blends
12/22/2004EP1124796B1 Ionomers and polymers for electrochemical uses
12/22/2004EP1056785B1 Method for producing a supported catalyst system
12/22/2004CN1181129C Method for preparation of crosslinked blends of amorphous and crystalline polymers
12/22/2004CN1181127C Process for producing polyethylene coating on substrate