Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
07/1994
07/20/1994EP0606348A1 A procatalyst component based on a transition metal compound on a carrier of magnesium chloride and manganese halide.
07/20/1994EP0606303A1 Control of a solution process for polymerization of ethylene.
07/20/1994EP0606289A1 Catalyst for ethylene polymerization at high temperatures.
07/20/1994CA2113601A1 Catalyst compositions and process for preparing polyolefins
07/19/1994US5331070 Process for olefin polymerization
07/13/1994EP0606125A2 Use of titanium and zirconium compounds as homogeneous catalyst and novel titanium and zirconium compounds
07/13/1994EP0577761A4 Mixed chromium catalysts and polymerizations utilizing same
07/12/1994US5329033 Process for the preparation of an olefin polymer
07/12/1994US5328969 Cocatalyst of an aluminoxane and metallocene
07/12/1994CA2030245C Molded articles of syndiotactic polypropylene and method for preparing same
07/07/1994WO1994015003A1 Meso triad syndiotactic polypropylene fibers
07/07/1994WO1994014739A1 Process for the preparation of polyisobutyl hydroxyaromatics
07/07/1994CA2152071A1 Meso triad syndiotactic polypropylene fibers
07/06/1994EP0605380A2 Optimum molar ratio of co-catalyst to external electron donor in propylene polymerization
07/06/1994EP0604917A2 Atactic polypropylene
07/06/1994EP0604855A1 Components and catalysts for the polymerization of olefins
07/05/1994US5326835 Multi-stage process for producing polyethylene
07/01/1994CA2112599A1 Atactic polypropylene
06/1994
06/30/1994CA2112556A1 Components and catalysts for the polymerization of olefins
06/29/1994EP0603232A1 High-pressure process for producing polypropylene.
06/28/1994US5324800 Coordination catalysts for high temperature polymerization yields polyolefins having controlled physical properties
06/28/1994US5324698 Catalyst support with surface layer containing titanium, magnesium and aluminum compounds and electron donor, selectivity, aging resistance
06/23/1994WO1994013713A1 Propylene homopolymers
06/23/1994WO1994013459A1 Extruded closed-cell propylene polymer foam and methods of making the same
06/22/1994EP0602716A1 Catalyst system, process for its production and its use in (co)polymerization of olefins
06/22/1994EP0602509A2 Process for the préparation of polyolefin waxes
06/22/1994CN1088221A Process for the preparation of a ziegler-natta type catalyst
06/22/1994CN1088219A Method for producing alpha-olefin polymers
06/22/1994CN1088212A Indenyl compounds and catalyst components for the polymerisationofolefins
06/18/1994CA2111369A1 Catalytic system and use thereof for the (co)polymerization of olefins; process for preparing said catalytic system and process for the (co)polymerization of olefins
06/16/1994DE4241533A1 HDPE prodn. - with procedure for changing process parameters to enable changeover from high-mol. wt. to low-mol. wt. HDPE without shut-down or cleaning
06/16/1994DE4241530A1 High-density polyethylene (HDPE) prodn. - with procedure for changing process parameters to enable changeover from high-mol. wt. to low-mol. wt. HDPE without shut-down or cleaning
06/16/1994CA2111363A1 Process for the preparation of polyolefin waxes
06/15/1994EP0601830A2 Catalyst components for polymerization of olefins and use thereof
06/15/1994EP0601496A1 Process for the preparation of olefin polymer
06/14/1994US5320995 Contacting magnesium dialkyl and aluminum trichloride in inert diluent to form precurser, contacting with transistion metal compound to form catalyst in the form of an emulsion; stability
06/08/1994EP0600461A2 Polyolefin moulding composition for making fibres filaments and non-wovens by melt spinning processes
06/07/1994US5318935 Amido transition metal compound and a catalyst system for the production of isotatic polypropylene
06/03/1994CA2110441A1 Polyolefin molding composition for producing fibers, filaments and webs by melt spinning
06/01/1994CN1024799C Process for preparing fine grain aluminoxane
05/1994
05/26/1994WO1994011406A1 Indenyl compounds and catalyst components for the polymerization of olefins
05/26/1994CA2149026A1 Indenyl compounds and catalyst components for the polymerization of olefins
05/25/1994EP0598626A2 Ethylene copolymer composition
05/25/1994EP0598543A2 Method for producing Alpha-olefin polymers
05/25/1994CN1087097A Rocess for preparing an ethylenic copolymer
05/25/1994CN1087095A Catalyst compositions and process for preparing polyolefins
05/25/1994CN1087094A Solid titanium catalyst component for olefin polymerization, process for preparing the same, catalyst for olefin polymerization and process for olefin polymerization
05/24/1994US5315053 Shear stability, internal combustion engines
05/18/1994EP0490888B1 Catalyst and process for the polymerization of olefins
05/10/1994US5310834 Mixed chromium catalysts and polymerizations utilizing same
05/04/1994EP0595574A1 Process for the preparation of a Ziegler-Natta type catalyst
05/04/1994EP0595182A1 Selected cyclopentadienyl group VIB metal alpha-olefin polymerization catalysts and process for polymerizing alpha-olefins
04/1994
04/28/1994WO1994009060A1 Film for packaging purposes
04/28/1994DE4235405A1 Prepn. of very hard polyethylene waxes oxidates - by oxidising low viscosity polyethylene hard waxes obtd. by reacting hydrogen-ethylene mixt. with a high pressure Ziegler catalyst
04/28/1994DE4235404A1 Prepn. of very low viscosity polyethylene hard waxes - using Ziegler catalyst comprising magnesium chloride- and aluminium-contg. carrier and titanium
04/28/1994CA2145644A1 Film for packaging purposes
04/27/1994EP0594218A1 Process for polymerizing olefins
04/27/1994EP0593888A1 Polyolefin composition for injection moulding of transparent articles with high rigidity
04/20/1994EP0295312B1 Solid catalyst for olefin polymerization and process for its preparation
04/20/1994CN1085569A Titanium catalyst component for ethyiene polymerization, rethylene polymerization catalyst, and process for ethylene polymerization using the same
04/19/1994US5304523 Stereorigid metallocene containing transition metal
04/14/1994WO1994007930A1 Long chain branched polymers and a process to make long chain branched polymers
04/14/1994WO1994007928A1 Supported homogeneous catalyst complexes for olefin polymerization
04/14/1994WO1994007924A1 Method for improving the homo- and copolymerization of ethylene
04/14/1994CA2146012A1 Supported homogenous catalyst complexes for olefin polymerization
04/14/1994CA2145635A1 Long chain branched polymers and a process to make long chain branched polymers
04/13/1994EP0591922A1 Titanium catalyst component for ethylene polymerisation, ethylene polymerisation catalyst, and process for ethylene polymerisation using the same
04/06/1994EP0590739A1 Polyethylene mixtures and films obtained therefrom
04/05/1994US5300701 Reacting hydroxyaromatic compound with polyisobutylene con-taining at least 70% methylvinylidene isomer in the presence of an acid alkylation catalyst
03/1994
03/23/1994EP0588404A2 Catalyst and process for polymerizing alpha-olefins
03/23/1994EP0588277A2 Process for increasing the efficiency of a pre-polymerized catalyst
03/22/1994US5296565 Polymerizing olefins using catalyst comprising particulate oxide carrier, organoaluminum oxy compound, metallocene, organoaluminum compound, prepolymerized polyolefin
03/22/1994US5296434 Containing metallocene complex, open-chain or cyclic alumoxane
03/22/1994US5296433 Tris(pentafluorophenyl)borane complexes and catalysts derived therefrom
03/17/1994WO1994005707A1 PROCESS FOR THE MODIFICATION OF α-OLEFIN (CO)POLYMERS
03/17/1994WO1993023439A3 Method for making and using a supported metallocene catalyst system
03/16/1994EP0586390A1 Coarse grained polyolefin, production thereof and a procatalyst containing a transesterification product between a lower alcohol and dioctylphthalate used therefore.
03/16/1994EP0586389A1 A large-pore polyolefin, a method for its production and a procatalyst containing a transesterification product of a lower alcohol and a phthalic acid ester
03/16/1994CA2104634A1 Catalyst and process for polymerizing alpha-olefins
03/15/1994US5294673 Modified polyolefin polymer, its manufacturing method and resin composition containing it
03/15/1994US5294581 Process and catalyst for producing mildly elastomeric primarily isotactic polymers
03/15/1994CA1327784C Process for the production of polyethylene with a broad and/or bimodal molecular weight distribution
03/12/1994CA2105916A1 Polyolefin molding composition for the production of moldings of high rigidity and transparency by injection molding
03/09/1994EP0586168A1 Catalyst compositions and process for preparing polyolefins
03/09/1994EP0585869A1 Solid titanium catalyst component for olefin polymerization, process for preparing the same, catalyst for olefin polymerization and process for olefin polymerization
03/09/1994CN1083490A Catalysts for the polymerization of olefins
03/08/1994US5292838 Process and catalyst for producing syndiotactic polymers
03/05/1994CA2105013A1 Catalyst compositions and process for preparing polyolefins
03/05/1994CA2086497A1 Cook-in pipe cooking method
03/02/1994EP0584609A2 Process for preparing polyolefins
03/02/1994EP0584586A2 Process for preparing a polypropylene wax
02/1994
02/16/1994CN1082060A Process for the polymerization of olefins and block (co)polymers derived from at least one olefin
02/16/1994CN1082059A Catalytic system which can be used for the steoreospecific polymerisation of alpha-olefins, process for this polymerisation and polymers obtained
02/16/1994CN1023807C Polyolefin composition for injection moulding
02/16/1994CA2104036A1 Process for the preparation of polyolefins
02/09/1994EP0582195A1 Process for the preparation of polymers using specific metallocenes
02/09/1994CA2103694A1 Process for preparing a polypropylene wax
01/1994
01/20/1994WO1993021238A3 Tris(pentafluorophenyl)borane complexes and catalysts derived therefrom
01/19/1994EP0579510A2 Propylene polymers and process for preparing the same
01/19/1994EP0578838A1 Olefin polymerization catalyst, process for its preparation, and its use