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 4 - Polymerisation catalysts
Patents for C08F 4 - Polymerisation catalysts (50,749)
03/2003
03/18/2003US6534609 Making by combining an organoaluminoxane and a metallocene having olefinic unsaturated substituent(s) in an aliphatic liquid, prepolymerizing olefin(s) to produce a prepolymerized solid catalyst and separating from the liquid
03/18/2003US6534608 Support materials for use with polymerization catalysts
03/18/2003US6534607 Titanium, zirconium, or hafnium cyclopentadienyl complex comprising two organoaluminum compounds and water
03/18/2003US6534606 Catalyst system for the Ziegler-Natta polymerization of olefins
03/18/2003US6534605 Living polymerization process
03/18/2003US6534604 Catalyst composition, method of polymerization, and polymer therefrom
03/18/2003US6534433 Process for preparing a catalyst support for polymerization of alpha-olefins, and support thus obtained
03/18/2003US6534431 Process and apparatus for preparing heterogeneous catalysts
03/18/2003US6533988 Using coordination catalyst
03/18/2003US6533967 Initiating system for solid polyester granule manufacture
03/13/2003WO2003020856A1 Synthesis of poly-alpha olefin and use thereof
03/13/2003WO2003020779A1 Polyolefin graft copolymer produced with coordination polymerization catalyst based on complex of transition metal appearing in later period and process for producing the same
03/13/2003WO2003020778A1 Multi-dentate late transition metal catalyst complexes and polymerization methods using those complexes
03/13/2003WO2003020775A1 Ring-opening metathesis polymerization of bridged bicyclic and polycyclic olefins containing two or more heteroatoms
03/13/2003WO2003020774A1 Method for the production of a polymer conversion product by means of metal catalysis
03/13/2003WO2003020772A1 PROCESS FOR PRODUCING LOW POLYMER OF α-OLEFIN
03/13/2003WO2002079276A3 Supported olefin polymerization catalysts
03/13/2003WO2001090208A1 Highly flowable propylene block copolymers
03/13/2003US20030050494 Ethylene oligomerization catalyst comprising an iron complex of a 2,6-bis(1-(phenylimino)ethyl)pyridine ligand of given formula with a Lewis acid such as methylalumoxane; forms alpha-olefins of formula H-(CH2-CH2)q-CH=CH2 q=1-18
03/13/2003US20030050414 Aluminium compounds for producing vinylic polymers
03/13/2003US20030050413 Comprises lanthanide/group IV-VI transition metal complex containing indenoindolyl ligand, treated with alumoxane; for copolymerizing ethylene with a C3- C10 alpha -olefin
03/13/2003US20030050412 Formed by reacting diisoamylether and sec-butylether, and tert-butylchloride with mixture of alkylmagnesium and aluminoxane/aluminosiloxane/and/or alkylaluminum; for catalytic homopolymerization of propylene
03/13/2003US20030050411 May comprise ethylene-vinyl acetate copolymer films formed via catalystic polymerization with Ziegler-Natta type and/or metallocene catalysts
03/13/2003US20030050382 Forming particles from a layered silicate and a monomer provided for high molecular weight polymerization using a reactive emulsifying agent with a functional group that has an affinity for silicate and polymerizing
03/13/2003US20030050185 Contacting a titanium halide with a pre-polymer of given porosity obtained by (co)polymerizing an olefin or a diolefin in the presence of a transition metal compound supported on a magnesium dihalide of specified mean crystallite dimension
03/13/2003US20030050184 Mixed metal alkoxide complexes and polymerization catalysts made therefrom
03/13/2003US20030050183 Process for the preparation of diene polymers
03/13/2003CA2462169A1 Synthesis of poly-alpha olefin and use thereof
03/13/2003CA2422598A1 Highly flowable propylene block copolymers
03/12/2003EP1291366A1 Catalyst composition for polymerization of olefins and process using this composition
03/12/2003EP1291365A2 Selective activity of metallocene-type catalyst for isotactic poly-alpha-olefin production
03/12/2003EP1291364A2 Method for the manufacture of exfoliated polymer/silicate nano-composites
03/12/2003EP1290084A1 Process for producing a polymer composition
03/12/2003EP1290053A1 Highly flowable propylene block copolymers
03/12/2003EP1290048A2 Copolymerization of norbornene and functional norbornene monomers
03/12/2003EP1290046A1 Method of preparing monomer-grafted syndiotactic polystyrene with polarity
03/12/2003EP1290045A1 Multimodal polyethylene obtained with multilayer chromium catalyst
03/12/2003EP1290044A1 Ethylene polymerizaton process
03/12/2003EP1290042A1 Polymerization catalyst used for producing polyolefins that have excellent combined properties
03/12/2003EP1290039A2 Catalyst system for carrying out olefin polymerization comprising a calcined hydrotalcite serving as a supporting material
03/12/2003EP1290038A2 Catalytic solid supported on calcined hydrotalcite for olefinic polymerisation
03/12/2003EP1290037A1 Polymerisation initiator and use
03/12/2003EP1290002A1 Chemical products suited for use as co-catalysts, method for the preparation thereof and their use in catalyst systems for producing polyolefins
03/12/2003EP1289915A2 Bromosulphonated fluorinated crosslinkable elastomers based on vinylidene fluoride having very low tg and method for preparing same
03/12/2003EP1140955B1 Metallocene complexes
03/12/2003EP1133504B1 Method for producing monoaryloxy-ansa-metallocenes
03/12/2003EP1086073B1 Method for preparing alkoxyamines from nitroxides
03/12/2003EP1042330B1 Product containing magnesium, halogen and alkoxy
03/12/2003EP1040129B1 Start-up polymerization process
03/12/2003EP1040114B1 Method for producing di-organo alkaline-earth compounds
03/12/2003EP1000069B1 Catalyst activator
03/12/2003EP0918803B1 Process for the preparation of olefinic polymers using supported metallocene catalyst
03/12/2003CN1402740A High-molecular polypropylene with broad distribution of molecular weight and short isotactic sequence length
03/12/2003CN1402739A Catalyst compositions, methods of polymerization, and polymers therefrom
03/12/2003CN1402738A Polymerization catalyst and process
03/12/2003CN1401667A heterocyclic polymer-contg. carried palladium complex and use thereof in Heck reaction
03/12/2003CN1401666A Ethene oligomerization and polymerization post transition metal complex catalyst
03/12/2003CN1401633A Process for synthesis of medical biodegradable material in presence of bionic organic guanidine salt catalyst
03/12/2003CN1102935C Process for production of cycloolefin random copolymer
03/11/2003US6531565 Producing polyethylene resin of broad molecular weight distribution, when formed into a film, high barrier to moisture; after initial formation of a Cr-Ti-silica catalyst, further titanium (e.g.,tetraisopropoxytitanium) is added
03/11/2003US6531562 Such as 2-(1-tert- butoxycarbonylpiperidin-2-yl)ethyl 5-norbornene-2-carboxylate; photolithography; etching/heat resistance; semiconductors
03/11/2003US6531556 Addition polymerization using free radical catalyst
03/11/2003US6531555 Olefin oligomerization catalysts, their production and use
03/11/2003US6531554 Reacting a metallocene having an aralkyl group, an aryl alkyldialkylsilyl, or an aryl dialkyl silyl group attached to a cyclodienyl group with an alkali metal alkyl
03/11/2003US6531553 Process for increasing molecular weight in polyolefins using Ziegler-Natta catalysts and lithium compounds
03/11/2003US6531552 Olefin polymerization catalyst and method for polymerizing olefin using the same
03/11/2003US6531551 Polypropylene composition, process for preparing the same, and polymerization catalyst therefor
03/11/2003US6531550 Blending metal oxides and organometallic compounds, then roasting to obtain polymerization catalysts, used in forming high bulk density polymers
03/11/2003US6531547 Vinyl aromatic-(vinyl aromatic-co-acrylic) block copolymers prepared by stabilized free radical polymerization
03/11/2003US6531424 Complex of a selected transition metal with a monoanionic ligand that has at least three atoms that may coordinate to the transition metal, one of which is an oxygen at and one of which is a nitrogen in an imine radical
03/06/2003WO2003018685A2 Medical tubing made from polybutadiene
03/06/2003WO2003018663A1 Deodorizing agent for sulfur- or nitrogen-containing initiators
03/06/2003WO2003018649A1 Cobalt complexes useful in the polymerization of 1,3-butadiene
03/06/2003WO2003018647A1 Propylene polymer
03/06/2003WO2003018644A1 Iron-based catalyst composition for the manufacture of syndiotactic 1,2-polybutadiene
03/06/2003WO2003018643A1 Catalyst for olefin polymerization and method for preparing polyolefins
03/06/2003WO2002040550A3 A method for preparing a catalyst composition and its use in a polymerization process
03/06/2003US20030045752 Process for the preparation of oligomers
03/06/2003US20030045661 Live radical polymerisation leading to block copolymers
03/06/2003US20030045660 Method for the production of a catalyst system for the polymerisation of olefins
03/06/2003US20030045658 Made by reacting ethylene and nonconjugated diene in presence of iron catalyst which can oligomerize ethylene, and transition metal copolymerization catalyst which can copolymerize ethylene, alpha-olefins and nonconjugated dienes
03/06/2003US20030045657 Polybutadiene and process for producing the same
03/06/2003US20030045656 Prepared by polymerization of symmetrical polycyclic olefin, acyclic olefin, and, if desired, monocyclic olefin in presence of catalyst comprising aluminoxane and metallocene; copolymer contains less than 100 ppm catalyst residue
03/06/2003US20030045644 Composition comprising polymers having a star structure, the polymers, and their use
03/06/2003US20030045000 In-situ injection and materials screening device
03/06/2003US20030044555 Method and process for enhancing properties and medical tubing performance in a polybutadiene material
03/06/2003US20030043447 Photochromic article and method of preparation
03/06/2003US20030042658 Process for producing a polyethylene coating on a substrate
03/05/2003EP1288233A1 Propylene homopolymer
03/05/2003EP1288230A1 Method of purifying vinyl polymer
03/05/2003EP1288219A2 Monocyclopentadienyl complexes of chromium molybdenum or tungsten with a donor bridge
03/05/2003EP1288201A1 Optically active maleimide derivatives, optically active polymaleimide derivatives, production method thereof, separating agent using the same derivative, and method for separating optically active compounds using the same agent
03/05/2003EP1287891A2 Supported late transition metal catalyst systems
03/05/2003EP1287049A1 Water swellable compositions
03/05/2003EP1287044A1 Sterile photochromic hydrophilic contact lenses
03/05/2003EP1287043A1 A method for producing ethylene homo- and co-polymer
03/05/2003EP1178997B1 Di-and tri-heteroatom substituted indenyl metal complexes
03/05/2003EP1178996B1 Metal complexes containing bridging heteroatom for olefin-polymerization-process
03/05/2003EP1105397B1 Three coordinate aluminum catalyst activator composition
03/05/2003EP1062256A4 Dynamic vulcanization of polymer blends from series reactors
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