Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
03/2002
03/27/2002EP1189698A1 Process for the in-situ preparation of single-site transition metal catalysts and polymerization process
03/26/2002US6362356 Cyclopent(a)acenaphtadienyl ligand; catalyst for production of high molecular weight polyethene and long-chain branch polypropene
03/26/2002US6362294 Reduced oxidation state transition metal compounds useful as olefin polymerization catalysts
03/26/2002US6362125 Having both stereospecific iso- and syndiospecific metallocene catalyst components and a support; high molecular weight polymer; crystal structure; compression molding materials
03/26/2002US6362124 Including organosilicon compound in a coordination catalyst which also contains; organomagnesium, organoaluminum and titanium compounds; superior polymerization activity and stereospecific efficiency.
03/21/2002WO2002022694A1 Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors
03/21/2002WO2002022628A1 Cr complexes and their use for the polymerization of alpha-olefins
03/21/2002WO2001072854A3 Polymerization of olefins
03/21/2002US20020035228 High molecular weight, emulsion polymerization
03/21/2002US20020035209 Rigidity; impact strength
03/21/2002US20020035031 Polymerisation catalysts
03/21/2002US20020035030 Contacting alpha-olefin with ransition metal complex of and Bronsted or Lewis acid to produce polyolefin
03/21/2002US20020035028 Magnesium chloride-alcohol carrier and olefin polymerization catalyst components made from the same
03/21/2002CA2421054A1 Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors
03/20/2002EP1188774A1 Catalyst for bulk polymerization, catalyst for vapor phase polymerization, method of polymerization using these, and olefin polymer obtained with these
03/20/2002EP1188763A2 Metallocenes and their use in olefin polymerisation
03/20/2002EP1188762A1 Chromium complexes and their use for the polymerization of alpha-olefins
03/20/2002EP1188739A1 Phthalic diester derivatives and electron donors
03/20/2002EP1187877A1 Thermoplastic compositions of isotactic propylene polymers and flexible propylene polymers having reduced isotacticity and a process for the preparation thereof
03/20/2002EP1187856A1 Transition metal complexes and olefin polymerization process
03/20/2002EP0832136B1 Polymer supported catalyst for olefin polymerization
03/20/2002EP0729981B1 Ultrahigh-molecular-weight polyethylene molding for artificial joint and process for producing the molding
03/19/2002US6359095 Process for the preparation of polyolefins
03/19/2002US6359086 Polymerizing c.sub.2-c.sub.12-alk-1-enes(alpha-olefins) at from-50 to 300.degree. c. under pressurewherein a previously isolated, storable free-flowing solid which does not self-ignite is used as catalyst
03/19/2002US6359085 Contacting ethylene alone or in combination with one or more c.sub.3 to c.sub.8 olefins, under polymerization conditions, with a chromium-based catalyst deposited on a support consisting essentially of silica which free of other oxides
03/19/2002US6359077 Process for producing high melt flow polymers
03/14/2002WO2002020156A2 Stable catalysts and co-catalyst compositions formed from hydroxyaluminoxane and their use
03/14/2002WO2001025149A3 Silica gel composition and method for making
03/14/2002US20020032296 Propylene polymer, propylene block copolymer, process for preparing said polymer and said block copolymer, and propylene polymer composition
03/14/2002US20020032294 Heterogeneous catalyst components for olefins polymerization, preparation process and use thereof
03/14/2002US20020032289 Catalysts for olefin polymerization
03/14/2002US20020032287 Polymerization process using an improved bulky ligand metallocene-type catalyst system
03/14/2002DE10042403A1 Katalysatorsysteme vom Typ der Ziegler-Natta-Katalysatoren und ein Verfahren zu deren Herstellung Catalyst systems of the Ziegler-Natta catalysts and a method for their preparation
03/14/2002DE10042121A1 Verfahren zur Herstellung von Kunststoffhohlkörpern A process for producing hollow plastic articles
03/14/2002CA2419955A1 Stable catalysts and co-catalyst compositions formed from hydroxyaluminoxane and their use
03/13/2002EP1186611A2 Heterocyclic metal complexes and olefin polymerization process
03/13/2002EP1185564A1 Ziegler-natta polymerization of alpha-olefins in the presence of non-polymerizing olefins
03/13/2002CN1340066A Polymers based on vinylcyclohexane
03/13/2002CN1340065A A multi-stage process for the preparation of alpha-olefin polymers having controlled stereoregularity and products prepared thereof
03/13/2002CN1339983A Process and apparatus for making supported catalyst systems for olefin polymerisation
03/13/2002CN1339508A Matrix for producing poly olefine and method
03/12/2002US6355818 Racemic isomer of group 3, 4, or lanthanide metal complex containing boratabenzene group or divalent derivative thereof bonded via its delocalized pi electrons to metal
03/12/2002US6355757 Processing olefin copolymers
03/12/2002US6355741 Process for producing polyolefins
03/12/2002US6355603 Thermal conversion products comprised of maleic anhydride and oligoalkenes, derivatives of the thermal conversion products with amines or alcohols and the use thereof
03/12/2002US6355594 Contacting at least one organometal compound, at least one organoaluminum compound, and at least one fluorided silica-alumina to produce polymerization catalyst composition
03/12/2002US6355592 Catalyst system of enhanced productivity and its use in polymerization process
03/12/2002US6355359 Polyethylene film
03/07/2002WO2002018046A1 Supported catalyst
03/07/2002US20020028898 Crystalline polypropylene and its moldings and films
03/07/2002US20020028897 Copolymerization using specified acrylates such as hexyl acrylate, 3,5,5-trimethylhexyl acrylate, 2-phenoxyethyl acrylate and 2-phenylethyl acrylate suppresses the formation of acrylate ester homopolymer; use in films and in molding
03/07/2002US20020028896 Olefin copolymers having a plurality of substantially linear branches; hydrogenated polybutadiene comb polymers with an ethyelne-butene copolymer shape or olefins polymerized onto macromolecular monomers; melt processability
03/07/2002US20020028893 (Cycloalkyl) methyl silanes as external donors for polyolefin catalysts
03/07/2002US20020028743 Carrier for olefin polymerization catalysts
03/07/2002DE10041813A1 Verfahren zur Reaktorfüllstandsmessung Process for the reactor level measurement
03/06/2002EP1184395A2 Ziegler-Natta type catalyst systems and process for their preparation
03/06/2002EP1184389A2 Heterocyclic metal complexes and olefin polymerization process
03/06/2002EP1184157A1 Method for producing plastic hollow bodies
03/06/2002EP1183307A1 High-stiffness propylene polymers and a process for the preparation thereof
03/06/2002EP1183278A1 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use
03/06/2002EP0834519B1 Catalyst for polyolefin production and process for producing polyolefin
03/06/2002CN1339040A Catalyst for stereoregular polymerization of 2-olefin and process for producing stereoregular-olefin polymer
03/06/2002CN1338483A In-situ polymerization process for preparing nm-class compoiste polyolefin/inorganic component material
03/06/2002CN1080268C Catalyst compositions and process for preparing polyolefins
03/05/2002USRE37573 Rac-dimethylsilanediylbis(2,5,6-trimethyl-1-indenyl)zirconium dichloride
03/05/2002US6353071 Processes to produce organo-aluminoxane compositions
03/05/2002US6353064 Supported catalysts with a donor-acceptor interaction
03/05/2002CA1341344C Method for varying the melting points and molecular weights of plyolefins using metallocene catalyst systems
02/2002
02/28/2002WO2002016681A1 Polypropylene fibers and fabrics
02/28/2002WO2002016480A2 Polypropylene films
02/28/2002WO2002016455A1 Polypropylene polymers
02/28/2002WO2002016450A1 1-butene polymer and molded product consisting of the polymer
02/28/2002WO2002016444A2 (cycloakyl)methyl silanes as external donors for polyolefin catalysts
02/28/2002WO2002016374A1 Catalysts
02/28/2002WO2002016373A1 Late transition metal complexes, their use as catalysts and polymers therefrom
02/28/2002WO2002016033A1 Polymerization using late transition metal catalyst complexes formed in situ
02/28/2002WO2001072873A3 Process for producing high melt flow polymers
02/28/2002US20020026031 Process for preparing polymer by using copper compound
02/28/2002US20020026024 Isobutene polymerisation process
02/28/2002US20020026016 Process for production of polyolefins
02/28/2002US20020026013 Matrix and process for polyolefin production
02/28/2002US20020024171 Producing tubular plastic parison on a blow molding plant or coextrusion blow molding plant, cutting open extruded or coextruded plastic parison to semifinished open-surface product, thermoforming to give half-shells, welding
02/28/2002DE10040618A1 Verfahren zur Herstellung von Polyisobutenen A process for the preparation of polyisobutenes
02/28/2002CA2420465A1 Polypropylene polymers
02/28/2002CA2420143A1 (cycloakyl)methyl silanes as external donors for polyolefin catalysts
02/28/2002CA2420072A1 Polypropylene fibers and fabrics
02/28/2002CA2420052A1 Polypropylene films
02/28/2002CA2417738A1 Polymerization using late transition metal catalyst complexes formed in situ
02/28/2002CA2415856A1 Late transition metal complexes, their use as catalysts and polymers therefrom
02/27/2002EP1181979A2 Matrix of a catalytic component and a material comprising free olefin groups and process for polyolefin production
02/27/2002EP0946609B1 Polymerization of ethylene with specific iron or cobalt complexes, novel pyridinebis(imines) and novel complexes of pyridinebis(imines) with iron and cobalt
02/27/2002CN1337971A Catalyst and process for olefin polymerization
02/26/2002US6350831 Process for the polymerization of olefins using a catalyst containing a novel catalyst component
02/26/2002US6350830 Supported polymerization catalysts
02/26/2002US6350829 Supported catalyst systems
02/26/2002US6350828 Polypropylene resin composition and use thereof
02/26/2002CA2111047C Copolymer composed of ethylene oxyde and of at least one substituted oxiranne with a crosslinkable function, process for preparing it, and its use in the making of ionic conductingmaterials
02/21/2002WO2002014384A2 Process for producing liquid polyalphaolefin polymer, metallocene catalyst therefor and lubricants containing the same
02/21/2002WO2002014383A1 Use of trixepans in the process to modify (co) polymers
02/21/2002US20020022706 Olefin polymerization processes and products thereof