Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
09/1999
09/15/1999EP0942006A2 Catalyst for olefin polymer production and process for olefin polymer production employing the catalyst
09/15/1999EP0941997A2 Bridged zirconocene compounds, process for their preparation, and their use as catalyst components in the polymerization of olefins
09/15/1999CN1228790A Method for producing thermoplastic elastomers
09/10/1999WO1999045043A1 Polybutene-1 (co)polymers and process for their preparation
09/08/1999EP0940412A1 Atactic propylene (co)polymers
09/08/1999EP0830397B1 Process for preparing low molecular, highly reactive polyisobutylene
09/08/1999EP0823919B1 Process and catalyst component for homo- and copolymerization of olefins
09/07/1999US5948872 Solid titanium catalyst component for olefin polymerization olefin polymerization catalyst prepolymerized polyolefin-containing catalyst and method of olefin polymerization
09/07/1999US5948871 Method for feeding a liquid catalyst to a fluidized bed polymerization reactor
09/07/1999US5948720 Catalyst for the production of flexible polyolefin compositions, methods for making and using same, and products thereof
09/07/1999CA2063090C Cyclopentadienyl group 6b metal alpha-olefin polymerization catalysts and process for polymerizing alpha-olefin
09/04/1999CA2263176A1 Atactic propylene (co) polymers
09/02/1999WO1999043722A1 Donor-modified olefin polymerization catalysts
09/02/1999WO1999043717A1 Catalyst system, method for producing same and its use for the polymerisation of olefins
09/02/1999WO1999020663A3 High impact, flexural moduli polymeric materials formed using sequential donors
09/02/1999DE19808253A1 Katalysatorsystem, Verfahren zu seiner Herstellung und seine Verwendung zur Polymerisation von Olefinen Catalyst system, to methods for its production and its use for the polymerization of olefins
09/01/1999EP0939087A2 Catalyst for olefin (co)polymerization and process for the production of olefin (co)polymers
09/01/1999EP0938508A1 Process for making propylene homo or copolymers
09/01/1999EP0938491A1 Heterocyclic metallocenes and polymerization catalysts
09/01/1999EP0848715B1 Catalyst compositions comprising organometallic compounds
09/01/1999EP0820475B1 Method of preparing catalyst components
09/01/1999CN1227571A Metallocene catalyst systems with inorganic oxides as carriers
09/01/1999CN1227570A Process for preparation of olefinic polymers using suppoted metallocene catalyst
08/1999
08/31/1999US5945553 Process for preparing a methylene-bridged biscyclopentadienyl compound
08/31/1999US5945496 Atactic polypropylene
08/31/1999US5945367 Coordination catalyst
08/31/1999CA2153520C Catalyst systems and process for producing broad molecular weight polyolefin
08/31/1999CA2004705C Oriented white opaque multilayer heat sealable film and method of forming same
08/26/1999WO1999042497A1 Catalyst system, method for the production thereof and its use for the polymerization of olefins
08/26/1999DE19806918A1 Catalyst system for the production of olefin polymers, especially polypropylene
08/25/1999EP0937107A1 Process for producing polyethylene of very high molecular weight and method for activating the catalyst support
08/25/1999CN1226901A Magnesium dichloride-alcohol adducts, process for preparation thereof and catalyst components therefrom
08/25/1999CN1226894A Metallocenes and catalysts for polymerization of olefins
08/25/1999CN1226882A Process for preparing cyclopentadienyl compounds
08/25/1999CN1226561A Titanium metallocene catalyst for preparation of various densities polyethylene
08/24/1999US5942586 In the presence of reaction product of aluminoxane andmetallocene with a microporous polymeric catalyst support
08/24/1999US5942461 Polymerizable monomers selected from: alpha-olefin, ethylene and cyclopentene, optionally acryates; water and/or air; a bisimine palladium or nickel complex organometallic catalyst with steric bulk to permit formation of high polymer
08/24/1999CA2173007C Novel catalysts for the production of polyolefins
08/19/1999WO1999041293A1 Injection-stretch-blow moulded containers made of olefin polymers
08/19/1999WO1999041289A1 Improved olefin polymerization process
08/19/1999CA2317607A1 Improved olefin polymerization process
08/18/1999EP0935446A1 Crosslinking of polyethylene for low wear using radiation and thermal treatments
08/18/1999EP0853549A4 Films comprising metallocene catalyzed polyethylene
08/18/1999CN1226257A Mixed transition metal catalyst system for olefin polymerization
08/12/1999WO1999040131A1 Polyethylenes obtained by use of dual site catalyst
08/12/1999WO1999040129A1 Catalyst system
08/12/1999WO1999040126A1 A catalyst for the (co)polymerisation of ethylene and a method for the preparation thereof
08/12/1999DE19805329A1 Spritzstreckgeblasene Behälter aus Olefinpolymerisaten Injection stretch blow molded container of olefin polymers
08/12/1999DE19804970A1 Katalysatorsystem Catalyst system
08/11/1999CN1225645A Supported late transition metal catalyst system
08/11/1999CN1225643A Modified polysiloxane catalysts and a method of using same
08/10/1999US5936053 Propylene polymer, copolymers and elastomer
08/10/1999US5936049 Process for preparing solid titanium catalyst component, olefin polymerization catalyst and process for olefin polymerization
08/04/1999EP0791018B1 Carbocationic catalysts and process for using said catalysts
08/04/1999CN1224734A Propylene-based polymer composition and foamed article thereof
08/04/1999CN1044481C Supported olefin polymerization catalyst, its preparation and use
08/03/1999US5932669 Homo or copolymerizing olefin in presence of transitional metal compound as a metallocene catalyst and aluminoxane as cocatalyst
08/03/1999US5932514 Process for preparing catalyst supports and supported polyolefin catalysts and also their use for the preparation of polyolefins
07/1999
07/29/1999WO1999037692A1 Catalytically accelerated gaseous phase reactions
07/29/1999WO1994028034A9 Supported metallocene catalyst systems for the polymerization of olefins, preparation and use thereof
07/29/1999DE19902814A1 Amorphous olefin polymer of alkenyl hydrocarbon useful as adhesion promoter and modifying agent for crystalline polymers
07/28/1999EP0931797A1 Process for preparing ethylene polymer and catalyst used therefor
07/28/1999EP0931796A1 Ethylenic polymers and process for the production thereof
07/28/1999EP0931099A1 Method for producing olefin polymers with a higher melting point
07/28/1999EP0706448B1 High drawdown extrusion process
07/28/1999CN1224027A Biaxially-oriented metallocene-based polypropylene films
07/28/1999CN1044372C Solid component of olefine polymerization catalyst and its preparation and said catalyst and use thereof
07/27/1999US5929264 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts
07/27/1999US5929179 Method for preventing fouling in polymerization reactors
07/21/1999EP0930320A1 Ethylene/alpha-olefin copolymers, compositions, and processes for the preparation of the copolymers and the compositions
07/21/1999CN1223670A Elastomers and process for their manufacture
07/21/1999CN1223268A Slurry process total density polyvinyl high-efficiency catalyst
07/21/1999CN1223267A Gas-phase method total density polyvinyl high-efficiency catalyst
07/21/1999CN1044251C Catalyts for the polymerization of olefins and process for using it in olefins polymerization
07/20/1999US5925587 Supported polymerization catalyst component and system, Polymerization process using same for the production of ultra-fine particle size resins with improved crystallization rates
07/15/1999WO1999035175A1 Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process
07/15/1999WO1999035174A1 Homopolymers and copolymers of ethylene
07/15/1999WO1999035173A1 Catalyst for producing ethylene homopolymers and copolymers
07/15/1999WO1999035171A1 High-melting polyolefin copolymer elastomers, catalysts and methods of synthesis
07/15/1999DE19900973A1 Amorphous 1-butene homo- and copolymers having a number of average mol. wt. of at least 200,000 are useful as adhesion promoters and additives for crystalline polymers
07/15/1999DE19758306A1 Katalysator für die Polyolefinsynthese Catalyst for polyolefin synthesis
07/14/1999EP0928797A1 Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process
07/14/1999CN1044123C Process for production of amorphous elastomeric propylene homopolymers
07/14/1999CN1044122C Method for producing alpha-olefin polymers
07/13/1999US5922813 A solid polymerization catalyst is a complex based on titanium trichloride obtained by heat teatement, in presence of a halogenated activator, resulting from pretreated titanium chloride with electorn donar, and aluminum compound
07/13/1999CA2141496C Organometallic fluorenyl compounds, preparation, and use
07/08/1999WO1999033912A1 Mineral containing thermoplastic granules
07/08/1999WO1999033882A1 Polymerization catalyst and process for producing olefin polymer or copolymer with the same
07/08/1999DE19757563A1 Free-flowing catalyst system for olefin polymerisation
07/07/1999CN1222164A Elevated pressure polymerization processes with late transition metal catalyst systems
07/07/1999CN1221757A alpha-olefin polymers, alpha-olefin-polymerizing catalyst and process for producing alpha-olefin polymers
07/01/1999WO1999032226A1 Nickel diimine catalysts with methylalumoxane as cocatalyst, method of polymerization of olefins therewith and polymers produced
07/01/1999DE19757262A1 Production of polyolefin with a high melting point
07/01/1999CA2311624A1 Nickel diimine catalysts with methylalumoxane as cocatalyst, method of polymerization of olefins therewith and polymers produced
06/1999
06/30/1999EP0926576A2 Non-linear model predictive control method for controlling a gas-phase reactor including a rapid noise filter and method
06/30/1999EP0926166A1 Catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for preparing polyolefin
06/30/1999CN1221432A Manufacture of stereoregular polymers
06/29/1999US5917100 Process for producing low molecular-weight poly-1-olefins
06/29/1999US5916990 Polypropylene or copolymer has following charcteristics: xylene extraction insoluble portion is 99% or greater, isotactic pentad ratio is 98% or greater, isotactic average chain length is 500 or greater
06/29/1999US5916989 Polymers of C4 and higher α-olefins