Patents for C08F 210 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (21,762)
06/1999
06/24/1999DE19757218A1 Production of elastomer with low glass transition temperature, higher crystallinity peak and good green elasticity
06/24/1999DE19754039A1 Verfahren zur Herstellung von Ethylencopolymeren in segmentierten Rohrreaktoren und Verwendung der Copolymere als Fließverbesserer Process for the preparation of ethylene copolymers in the segmented tubular reactors and use of the copolymers as flow improvers
06/24/1999CA2315030A1 Start-up polymerization process
06/24/1999CA2314994A1 Seals produced from alpha-olefin/vinylidene aromatic and/or hindered aliphatic vinylidene/interpolymer based materials and sealing systems therefrom
06/24/1999CA2314923A1 Start-up polymerization process
06/24/1999CA2311566A1 Olefin polymerisation catalyst based on metallocene complexes and perfluorinated oligoaryl derivatives of aluminates
06/24/1999CA2302236A1 Processes for producing copolymers of ethylene and at least one other olefin
06/24/1999CA2285302A1 Group 11 transition metal amine catalysts for olefin polymerization
06/24/1999CA2256986A1 Hydroxyl-containing ethylene copolymers and fuel oils having an improved lubricating action
06/23/1999EP0924229A1 Ultra high solids vinyl acetate-ethylene and vinyl acetate homopolymer emulsions
06/23/1999EP0923618A1 Improved propylene polymers for oriented films
06/23/1999EP0923617A1 BLENDS OF $g(a)-OLEFIN/VINYLIDENE AROMATIC MONOMER OR HINDERED ALIPHATIC VINYLIDENE MONOMER INTERPOLYMERS WITH POLYOLEFINS
06/23/1999EP0923616A1 Blends containing an interpolymer of alpha-olefin
06/23/1999EP0923612A2 Alpha-olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers
06/23/1999EP0923589A1 3-heteroatom substituted cyclopentadienyl-containing metal complexes and olefin polymerization process
06/23/1999CN1220672A Olefin polymerization catalyst and process for production of olefin polymers
06/23/1999CN1043774C Process for preparation of random copolymers
06/22/1999US5914379 Compression of ethylenically unsaturated monomers
06/22/1999US5914372 Vulcanizable rubber consists of a copolymer of ethylene-alpha-olefin-non-conjugated diene, atleast one vulcanizing agent, and a peroxy crooslinking agent
06/22/1999US5914289 Supported metallocene-alumoxane catalysts wherein the metallocene is bridged, has a hydrogenated indenyl or fluorenyl; a plurality of conformers are isolated on the support by reaction of the metallocene with the alumoxane
06/22/1999CA2225708A1 Solution catalyst having a bulky nitrogen ligand
06/17/1999WO1999029748A1 Method for producing ethylene copolymers in segmented tubular reactors and utilizing copolymers as a flow improver
06/17/1999WO1999029742A1 Propylene polymers incorporating macromers
06/17/1999WO1999029739A1 Reduced oxidation state transition metal compounds useful as olefin polymerization catalysts
06/17/1999WO1999029737A1 Polymerization catalyst systems, their use, their products and articles thereof
06/17/1999WO1999029736A1 Gas phase fluidized bed method and ethylene homo- and copolymers obtained using said method
06/17/1999DE19856851A1 Propylene-based polymer composition for foamed article
06/17/1999CA2312092A1 Gas phase fluidized bed method and ethylene homo- and copolymers obtained using said method
06/17/1999CA2306352A1 Propylene polymers incorporating macromers
06/16/1999EP0922716A1 Process for the manufacture of terpolymers of ethylene and their use as additives to mineral oil and mineral oil distillates
06/16/1999EP0922714A1 Olefinic resin and electrophotographic toner prepared therefrom
06/16/1999EP0922711A1 Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
06/16/1999EP0843702B1 Improved elastomeric vehicle hoses
06/16/1999EP0792296B1 Process for the preparation of a rubber-like copolymer
06/16/1999CN1219940A Polyalphaolefin drag reducing agent composition and its preparing process
06/16/1999CN1043648C Gas phase polymerization of olefins
06/16/1999CA2225014A1 B-n heterocyclic ligands
06/15/1999US5912311 Olefin polymerization method comprising allyl-cycloalkadienyl dianions as catalyst precursors
06/15/1999US5912309 Gas phase fluidized bed polymerization process using sonic cleaner with optimum design and operation
06/15/1999US5912302 Elastomeric compositions and a process to produce elastomeric compositions
06/15/1999US5912202 Olefin polymerization catalyst composition having increased activity
06/15/1999CA2122903C Process for producing polyolefin
06/10/1999WO1999028353A1 Olefin polymerization catalyst and method for polymerizing an olefin using the catalyst
06/10/1999WO1999007788A8 Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
06/10/1999DE19856076A1 Production of ethylene-alpha-olefin copolymers
06/10/1999DE19754380A1 Gasphasenwirbelschichtverfahren und danach erhältliche Ethylenhomo- und -copolymere Gas-phase fluidized-bed process and then sold ethylene homo- and copolymers
06/09/1999EP0920465A1 Elastomeric cycloolefinpolymer
06/09/1999EP0920403A1 Process for preparing cyclopentadienyl compounds
06/09/1999CN1219178A Olefin solution polymerization
06/09/1999CN1219177A Olefin polymerization catalyst, olefin polymerization method, olefine polymer compositions and thermoformed articles
06/09/1999CN1218814A Catalyst for olefine polymerization and process for producing olefine polymers
06/09/1999CA2255491A1 Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates
06/08/1999US5910464 A coordination catalyst comprising a titanium, zirconium or hafnium mono- or biscyclopentadienyl compound and a reaction product of an alkyl aluminium and water
06/08/1999CA2036196C Method for the preparation of ethylene polymer compositions
06/08/1999CA2003054C Process for preparing tetrafluoroethylene-ethylene copolymers
06/03/1999WO1999026989A1 Ethylene polymer compositions with norbornene comonomer
06/03/1999WO1999026986A1 PROCESS FOR THE PREPARATION OF POLYPROPYLENE-b-POLY(ETHYLENE-co-PROPYLENE)
06/02/1999EP0918822A1 Copolymers of propylene with polymerizable hindered amine light stabilizers
06/02/1999EP0918821A1 Polyolefin mixture containing poly(1-butene)
06/02/1999EP0918803A2 Process for the preparation of olefinic polymers using supported metallocene catalyst
06/02/1999EP0840754B1 Redispersable cross-linkable dispersion powders
06/02/1999EP0728150B1 Process for the polymerization or copolymerization of ethylene
06/02/1999CN1218480A Copolymers of ethylene and geminally disubstituted olefins
06/02/1999CN1218453A Polymerization catalyst promoter
06/01/1999US5908679 Pipe of polyethylene having improved mechanical properties
06/01/1999CA1340578C Catalysts, method of preparing these catalysts and method of using said catalyst
05/1999
05/27/1999WO1999025743A1 Homogeneous polyethylenes and ethylene/propylene copolymer rubbers
05/26/1999CN1217685A Vulcanized molding having surface decorative layer, painted thermoplastic resin composition and painted elastomer composition
05/25/1999US5907021 Copolymerizing olefinically unsaturated monomers in presence of a ionic catalyst system having cation derived from a bridged biscyclopentadienyl hafnium compound, a counterbalacing anion, and a long chain alkylaluminum ligand
05/25/1999CA2153433C Film extruded from an in situ blend of ethylene copolymers
05/20/1999WO1999024503A1 Coloured polypropylene compositions
05/20/1999WO1999024501A1 Talc containing polypropylene compositions
05/20/1999WO1999024492A1 Aqueous dispersions or emulsions of interpolymers of alpha-olefin(s)/hindered vinylidene aromatic monomer(s)
05/20/1999WO1999024482A1 Propylenic copolymer and thermoplastic resin composition
05/20/1999WO1999024479A1 Novel propylene polymers and products thereof
05/20/1999WO1999024446A1 Metallocenes and catalysts for olefin-polymerisation
05/20/1999WO1999005190A9 ETHYLENE/α-OLEFIN COPOLYMERS, COMPOSITIONS, AND PROCESSES FOR THE PREPARATION OF THE COPOLYMERS AND THE COMPOSITIONS
05/20/1999CA2309821A1 Aqueous dispersions or emulsions of interpolymers of alpha-olefin(s)/hindered vinylidene aromatic monomer(s)
05/20/1999CA2308393A1 Talc containing polypropylene compositions
05/20/1999CA2277127A1 Metallocenes and catalysts for olefin-polymerisation
05/19/1999EP0916701A1 Crystalline polypropylene resin composition
05/19/1999EP0916693A2 Film extruded from an in situ blend of ethylene copolymers
05/19/1999EP0915932A2 LOW BROMINE ISOBUTYLENE-$i(CO)-4-BROMOMETHYLSTYRENE COMPOSITIONS FOR SEVERE DUTY ELASTOMER APPLICATIONS
05/19/1999EP0750643B1 Polyolefins having terminal aldehyde or hydroxyl substituents and derivatives thereof
05/19/1999CN1216997A Composition contg. magnesium, titanium, halogen and inner electron donor, its prepn. and use for polymerization of alpha-olefins
05/14/1999WO1999022614A1 Shoe cover with slip-resistant sole
05/14/1999WO1999016851B1 COPOLYMERS OF ETHYLENE α-OLEFIN MACROMERS AND DICARBOXYLIC MONOMERS AND DERIVATIVES THEREOF, USEFUL AS ADDITIVES IN LUBRICATING OILS AND IN FUELS
05/14/1999CA2307053A1 Shoe cover with slip-resistant sole
05/12/1999EP0915104A1 CATALYST FOR $g(a)-OLEFIN POLYMERIZATION
05/12/1999EP0915103A1 Stable aqueous dispersions based on hydrosoluble polymers containing a cationic dispersing agent with hydrophobic groups
05/12/1999EP0914409A1 Polar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof
05/12/1999EP0914323A1 Metallocenes and catalysts for polymerization of olefins
05/12/1999EP0629215B2 Polymerization process
05/12/1999CN1216553A Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymer
05/12/1999CN1216552A Adhesives comprising olefin polymers
05/11/1999US5902869 Having additionally copolymerized intrachain units derived from a further comonomer consisting of maleic anhydride, itaconic anhydride, methyl hydrogen maleate, ethyl hydrogen maleate, maleic acid, itaconic acid; melt-thermal stability
05/11/1999US5902867 Process for the preparation of an elastomeric polymer from ethylene, alpha-olefine and optionally diene
05/11/1999US5902866 Azaborolinyl metal complexes as olefin polymerization catalysts
05/11/1999US5902764 Catalyst system for the polymerization of olefins; process for this polymerization and polymers thus obtained
05/06/1999WO1999021898A1 Magnesium halide based metallocene catalyst system