Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
01/1992
01/07/1992US5079204 Polymerization catalyst, preparation, and use
01/03/1992CA2046023A1 Catalyst and process for making ethylene polymers
01/02/1992EP0463809A2 Catalyst for polymerization of olefin monomers
01/02/1992EP0463673A1 Process for oligomerizing light olefins
01/02/1992EP0463672A2 Method for preparing a solid catalyst component for ethylene (co)polymerization
01/02/1992EP0463609A1 Catalyst and process for making EPR resins
01/02/1992EP0463519A1 Process for the manufacture of copolymers of ethylene and vinyl esters
01/02/1992EP0463406A2 Process for the production of propylene homopolymers with broad molecular weight distribution
01/02/1992DE4019925A1 Polyolefin prodn. with high bulk density and good processability
01/01/1992CN1057467A Method for preparing solid catalyst component for ethylene (co) polymerization
12/1991
12/31/1991US5077358 Charge powder dehydrated and pretreated with organoaluminum compound before contacting the alpha olefin
12/31/1991US5077357 Olefin polymerization catalyst
12/31/1991US5077255 Coordination catalyst
12/31/1991US5077250 Olefin polymerization catalyst and process for producing ethylene copolymers
12/27/1991WO1992000334A1 Method for treating cross-linked eva-based polymers, and uses thereof
12/27/1991CA2085479A1 Process for the treatment of cured eva polymers and utilization
12/25/1991CN1057271A Process for preparation of random copolymers
12/24/1991US5075396 Process and catalyst composition for producing olefin polymers
12/24/1991US5075395 Pretreatment of charge powder with organoaluminum compound
12/24/1991US5075394 Controlling physical properties of polyolefins with catalyst
12/24/1991US5075271 Olefin polymerization process for preparing high density or linear low density polymers of controlled molecular weight distribution
12/24/1991US5075270 Coordination catalyst for polymerization of alpha-olefins
12/24/1991CA1293588C Process for the polymerization of alpha-olefins or of their mixtures with minoramounts of ethylene, by means of catalysts comprising solid components or precursors of such components, in the form of microspheroidal particles
12/24/1991CA1293587C PROCESS FOR POLYMERIZATION OF .alpha.-OLEFIN
12/24/1991CA1293498C Process for producing olefin polymer
12/24/1991CA1293497C Process for producing alpha-olefin polymer
12/18/1991EP0461775A2 Catalyst precursor production
12/18/1991EP0461581A2 Olefin polymerization
12/18/1991EP0461268A1 Process for producing olefin polymerization catalyst component and polyolefin
12/18/1991EP0187796B1 Polymerization catalyst and manufacturing process thereof
12/17/1991US5073531 Olefin polymerization catalysts and preparation method
12/17/1991CA1293260C Finely divided aluminoxane, process for producing same and its use
12/17/1991CA1293242C Olefin polymerization catalyst
12/12/1991WO1991018934A1 Process for producing a poly-1-olefin
12/11/1991CN1015062B Components and catalysts for polymerization of olefins
12/10/1991US5071950 Dry-phase copolymerization; fluidized bed; separation into gas and solid phase; flushing; recycling; odorless
12/10/1991US5071928 Process for polymerizing ethylene and copolymerizing ethylene with alpha-olefins and relevant catalyst
12/10/1991US5071927 High-temperature slurry polymerization of ethylene
12/10/1991US5071913 Rubbery isoolefin polymers exhibiting improved processability
12/10/1991US5071811 Polyolefin catalysts and method of preparing an olefin polymer
12/10/1991US5071810 High activity vanadium-based catalyst
12/10/1991US5071808 Process for the preparation of a heterogeneous metallocene catalyst component
12/10/1991CA1292978C Catalyst system for high-temperature (co)polymerization of ethylene
12/04/1991EP0459320A2 Process for preparing a polyolefin
12/04/1991EP0459264A2 Method for preparing syndiotactic poly (alpha-olefin)
12/04/1991EP0459185A2 Process for preparing a polyolefin
12/04/1991EP0459009A2 A solid catalyst component for the polymerization of olefins and an olefin polymerization catalyst
12/03/1991US5070160 Shearing force sufficient to keep viscous solution in polydisp ersive state
12/03/1991US5070057 Promoter bonded to catalyst support
12/03/1991US5070056 Polyolefins of improved bulk density
12/03/1991US5070055 Novel coimpregnated vanadium-zirconium catalyst for making polyethylene with broad or bimodal MW distribution
12/03/1991US5070054 Process for preparing a vanadium-based catalyst suitable for olefin polymerization
12/03/1991US5070051 Catalyst component and catalyst for the production of very high molecular weight polyolefins
12/03/1991CA1292734C In situ comonomer generation in olefin polymerization
11/1991
11/28/1991DE4114833A1 Ziegler-Natta catalyst system for olefin polymerisation - contains solid component contg. titanium, magnesium, halogen and electron donor, aluminium component and di:alkoxy-di:cycloalkyl-silane
11/27/1991EP0458414A2 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes
11/27/1991EP0274536B1 Polyolefin composition for injection molding
11/26/1991US5068490 BF3-tertiary etherate complexes for isobutylene polymerization
11/26/1991US5068489 Preparation of very low molecular weight polyethylene in a fluidized bed
11/26/1991US5068213 Components and catalysts for the polymerization of olefins
11/26/1991US5068212 Olefin polymerization catalyst and method for production and use
11/26/1991US5068014 Partial electrochemical oxidation of aluminum in a solvent of one dihaloalkane with simultaneous reduction of a compound of titanium(IV)
11/25/1991CA2043128A1 Catalyst precursor production
11/23/1991CA2042886A1 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes
11/21/1991EP0457236A2 Polymerization catalysts and processes
11/19/1991US5066741 Process for preparation of syndiotactic vinyl aromatic polymers
11/19/1991US5066739 Olefin polymerization with cyclopentadienyl lanthanidealkyl of hydride in presence of hydrogen
11/19/1991US5066738 Polymerization of olefins with an improved catalyst system using a new electron donor
11/19/1991US5066737 Complex Titanium-Magnesium Procatalyst, Organoaluminum Cocatalyst And A Selectivity Control Agent
11/19/1991US5066736 Gas-phase alpha-olefin polymerization process in the presence of an activity retarder
11/19/1991US5066730 Catalyst is reaction product of Lewis acid and organic ether, polarization of ether bond to form a cationic carbon
11/19/1991US5066631 Methylaluminoxane, tri-n-alkylaluminum solvent; stability, colorless; polymerization catalysts
11/15/1991CA2036929A1 Polymerization catalysts and processes
11/14/1991WO1991017193A1 Solution process for the preparation of polymers of alpha-olefins
11/14/1991WO1991014719A3 Improved polybutene process
11/13/1991EP0455930A1 Process for polymerising one or more 1-olefins in a gas phase with the help of a composition containing a prepolymer
11/13/1991EP0455813A1 Flexible polypropylene resin, propylene elastomer composition, and production of olefin polymer
11/13/1991EP0285640B1 Ethylene polymerization catalyst
11/13/1991CN1056107A Simplified polyethylene catalyst system
11/13/1991CA2042324A1 Process for the preparation of a polyolefin
11/12/1991US5065336 On-line determination of polymer properties in a continuous polymerization reactor
11/12/1991US5064878 In-reactor stabilization of polymers via coated stabilizers
11/12/1991US5064802 Cyclopentadienyl, polymerization catalysts
11/12/1991US5064799 Components and catalysts for the polymerization of olefins
11/12/1991US5064798 Catalyst for olefin polymerization
11/12/1991US5064797 Process for producing polyolefins and polyolefin catalysts
11/12/1991US5064796 Support adjuvant for improved vanadium polymerization catalyst
11/12/1991US5064795 Reacting triphenyl phosphite, titanium tetrachloride, and dibutylmagnesium to form catalyst
11/10/1991WO1991017191A1 Silica supported polymerization catalyst
11/10/1991CA2051667A1 Silica supported polymerization catalyst
11/06/1991EP0455313A1 Process for polymerization of olefins and polymerization catalyst
11/06/1991EP0454798A1 Process for the production of liquid lubricants from alpha-olefin and styrene copolymers.
11/06/1991EP0324856B1 Process for polymerizing olefin
11/06/1991CN1055934A Hyperpure propylene polymers
11/06/1991CN1055933A Components and catalyst for polymerization of olefins
11/05/1991US5063188 Magnesium-titanium catalyst
11/05/1991US5063110 Coordination catalyst
10/1991
10/31/1991WO1991017190A1 Olefin polymerization catalyst and methods
10/31/1991WO1991016361A1 Procatalyst composition for the polymerization of olefins, its preparation and use
10/31/1991CA2053289A1 Olefin polymerization catalyst and methods