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 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
09/1991
09/11/1991CN1054423A Olefin polymerization solid catalysts and process for polymerization of olefins
09/11/1991CN1054404A Magnesium chloride particles having structure of truncated cone, catalytic compositions supported on such particles, polyolefines obtained from such catalytic compositions and process for making such
09/10/1991US5047485 Process for making a propylene polymer with free-end long chain branching and use thereof
09/10/1991US5047468 Polymerization of ethylene and alpha-olefins using coordination catalyst yields blend of high and low density polymers
09/10/1991CA2037175A1 Process and device for the gas-phase polymerisation of alpha-olefins
09/10/1991CA1288891C CATALYST COMPOSITION FOR POLYMERIZING .alpha.-OLEFINS
09/10/1991CA1288758C Production of catalyst component for olefin polymerization
09/08/1991WO1991013914A1 1-olefin (co)polymerization catalyst for production of resins with a broad range of molecular weight distribution
09/08/1991CA2066625A1 1-olefin (co)polymerization catalyst for production of resins with a broad range of molecular weight distribution
09/05/1991WO1991013104A1 Diene activated ziegler transition metal catalyst components for ethylene polymerization
09/05/1991WO1991013101A1 Compositions and method for catalytic curing of cyanoacrylate polymers
09/05/1991WO1991013074A2 Transition metal catalyst composition for olefin polymerization
09/04/1991EP0444505A2 Process of producing linear alpha-olefins
09/04/1991EP0444474A1 Soluble catalyst systems for polymerisation of C2 to C10 alk-1-enes
09/03/1991US5045612 Catalyst and process for polymerizing olefins
09/03/1991US5045577 Process for the preparation of heat-stable olefin polymers
08/1991
08/28/1991EP0443374A2 A method for producing a Ziegler-Natta catalyzer, a method for producing a polyolefine by utilizing this catalyzer as well as products made by means of these methods
08/28/1991EP0227838B1 Polyethylene composition
08/28/1991CN1054084A Method for preparing ethylene polymer compositions
08/28/1991CN1054073A Process for preparing polyolefins
08/27/1991US5043205 Soft, flexible multilayer film having outer layers of olefin polymers or butyl acrylate-ethylene copolymer or a blend thereof, and an intermediate layer which acts as a gas barrier
08/27/1991CA1288088C Treatment of catalyst particles
08/21/1991EP0442725A2 Olefin polymerization solid catalysts and process for the polymerization of olefins
08/21/1991EP0442316A2 Propylene copolymer
08/21/1991CN1013581B Solid catalyst for polymerizing olefin
08/21/1991CN1013580B Process for polymerizating olefine
08/20/1991US5041584 Modified methylaluminoxane
08/20/1991US5041473 Process for producing carbon black filled polyethylene resins
08/20/1991US5041403 Magnesium, titanium, halogen, ester compound, and organic aluminum compound
08/20/1991CA1287933C Process for continuously producing propylene-ethylene block copolymer
08/14/1991EP0441620A2 Production of alpha-olefin polymers
08/14/1991EP0440838A1 Process for separating volatile materials from reaction mixtures obtained by high-pressure polymerization
08/14/1991EP0440813A1 Method of producing catalyst component for olefin polymerization
08/14/1991DE4004087A1 Low white fracture propylene 1-alkene copolymer(s) - obtd. in two=stage fluidised bed Ziegler-Natta process with control of conversion and partial pressure ratios
08/14/1991CN1053797A Process and catalyst for producing syndiotactic polyolefins
08/13/1991US5039765 Preparation of ethylene polymers using a Ziegler catalyst system, and ethylene polymers prepared in this manner and having less odor
08/13/1991CA1287463C Apparatus for degassing and pelleting polyolefins
08/07/1991EP0439964A2 Olefin polymerization catalyst and process for the polymerization of olefins
08/07/1991EP0439838A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
08/07/1991EP0439622A1 Catalytic component for alpha-olefin polymerization
08/07/1991CN1013449B Method for producing butene-1 polymer
08/06/1991US5037914 Process for preparing tetrafluoroethylene-ethylene copolymers
08/06/1991US5037911 Addition polymerization using a catalyst which is activated by heating
08/06/1991US5037910 Polyolefin catalysts and method of preparing an olefin polymer
08/06/1991US5037909 High activity catalyst system for the production of propylene polymers
08/06/1991US5037908 Activity inhibitor,propadiene; slows initial activity; high bulk density; high grade polymer particles
08/06/1991US5037905 Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins
08/06/1991US5037874 Carbon monoxodie, modified, compatibility
08/06/1991US5037789 Hydrocarbon soluble magnesium compound modified with aluminum or nonmetal halide, reacted with two different titanium compounds
07/1991
07/31/1991CN1053434A Process for preparation of random copolymers
07/31/1991CN1053433A Catalyst and prepolymer used for preparation of polyolefins
07/31/1991CN1053432A Catalyst and prepolymer used for preparation of polyolefins
07/31/1991CN1013372B Olefin polymerization catalyst system
07/30/1991US5036147 Coordination catalyst comprising a silica support, a magnesium silylamide, an electron donor and a titanium halide; stereospecific; hydrocarbon soluble
07/30/1991US5036034 Catalyst for producing hemiisotactic polypropylene
07/25/1991WO1991010510A1 Process and apparatus for preparing heterogeneous catalysts
07/24/1991EP0438133A2 Catalyst for polymerization of olefins
07/24/1991EP0438132A2 Polymerization catalyst for olefins
07/24/1991CN1053243A Process for preparing ziegler-natta type catalyst
07/24/1991CN1053242A Process for preparing ziegler-natta type catalyst
07/24/1991CN1053241A Components and catalysts for polymerization of olefins
07/24/1991CN1053240A Catalyst for polymerization of olefine
07/23/1991US5034549 Reaction product of silanediol with dicyclopentadienyl zirconium compound
07/23/1991US5034484 Magnesium, halogen, titanium and silicon catalyst also containing aluminum
07/23/1991US5034483 Process for preparing high density, broad molecular weight distribution alpha-olefin polymers
07/23/1991US5034481 Conducting the polymerization of ethylene in the presence of titanium catalyst and calcium or chromiun antistatic agents and alcohols
07/23/1991US5034480 Avoidance of colored impurities in the preparation of ultrahigh molecular weight ethylene polymers by means of titanium-containing catalyst system
07/23/1991US5034479 Process for reducing sheeting during polymerization of alpha-olefins
07/23/1991US5034366 Vanadium trihalide and electron donor, a boron halide or alkyl aluminum modifier, a polysiloxane controller
07/23/1991US5034365 Silica supported polymerization catalyst
07/23/1991US5034364 Multiple chromium compound-containing catalyst composition and olefin polymerization therewith
07/23/1991US5034361 Catalyst precursor production
07/23/1991US5034195 Fluidized reactors with gas distribution means for vapor phase reaction
07/23/1991CA1286839C Polymerization process of propylene
07/23/1991CA1286838C Water treatment method for resin in a purge vessel
07/23/1991CA1286837C Polymerisation of olefins using a modified ziegler-natta catalyst
07/17/1991EP0437264A1 Components and catalysts for the polymerization of olefins
07/17/1991EP0437263A1 Components and catalysts for the polymerization of olefins
07/17/1991EP0437080A1 Process for preparing a Ziegler-Natta type catalyst
07/17/1991EP0436801A1 Preparation of spherical magnesium alkoxide particles
07/17/1991EP0436672A1 Magnesium oxide-supported ziegler catalyst modified with acid and higher alkanol, and process for preparing narrow mwd hdpe
07/17/1991CN1053070A Cocatalytic composition usable for polymerization of alpha-olefins
07/17/1991CN1053069A Process for preparing water-in-oil emulsion
07/17/1991CN1013200B Alumina treated by silicon and/or fluorine
07/16/1991US5032652 Supported vanadium catalyst for polymerization olefins and a process of preparing and use the same
07/16/1991US5032651 Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system
07/16/1991US5032563 Ziegler polymerization catalyst
07/16/1991US5032562 Compounds of magnesium, zirconium and titanium
07/16/1991US5032560 Reaction product of magnesium chloride, lewis base, alkylaluminum halide, and propylene
07/13/1991CA2033964A1 Process for the preparation of spherical particles of magnesium alkoxide
07/11/1991WO1991009881A1 Process for preparation of a procatalyst composition for polymerization of olefins and use of the composition
07/11/1991CA2033809A1 Components and catalysts for the polymerization of olefins
07/11/1991CA2033808A1 Components and catalysts for the polymerization of olefins
07/10/1991EP0436423A1 Synthesis process for Ziegler type solid catalysts or for solid compositions of such catalytic solids, using a unique pivotable polyfunctional reactor and a magnetically driven agitator, usable among others, in such a reactor
07/10/1991EP0436399A2 Olefin polymerization catalyst and process for the polymerization of olefins
07/10/1991EP0436328A2 Method for polymerizing alpha-olefin
07/10/1991EP0436326A1 Catalyst and prepolymer used for the preparation of polyolefins
07/10/1991EP0436325A1 Process for preparing a ziegler-natta type catalyst
07/10/1991EP0436229A2 High activity vanadium-based catalyst
07/10/1991CN1052870A Solid catalyst components for olifin polymerization and processes for polymerization of olifin using same
1 ... 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 ... 361