Patents for C08F 10 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (36,091)
05/2003
05/13/2003US6562904 Polyalkene-substituted carboxylic acid compositions having reduced chlorine content
05/13/2003US6562886 A propylene homopolymer or a copolymer of propylene and an alpha -olefin with at least 4 carbon atoms, which is produced through polymerization in the presence of a metallocene catalyst and which has an increased isotactic pentad fraction
05/13/2003US6562751 Polymerization of olefins
05/13/2003US6562750 As polymerization catalyst in producing addition polymers
05/08/2003WO2003037940A1 Transition metal-free initiator for the preparation of isobutylene-based polymers
05/08/2003WO2003037939A1 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefin polymer
05/08/2003WO2003037938A2 Methods for adjusting melt properties of metallocene catalyzed olefin copolymers
05/08/2003WO2003037936A1 Visible-light curable composition
05/08/2003WO2003025023A3 Latent metallocene catalyst systems for olefin polymerization
05/08/2003US20030088135 Using catalyst comprising secondary alkylether, tertiary alcohol, and boron trifluoride.
05/08/2003US20030088038 Mixed metallocene catalyst systems containing a poor comonomer incorporator and a good comonomer incorporator
05/08/2003US20030088037 Method of making interpolymers and products made therefrom
05/08/2003US20030088022 Propylene homopolymer composition having a molecular weight distribution in the range from greater than 4.0, and hexane extractables of less than 2.0 wt %.
05/08/2003US20030088021 Increased tie molecule formation and improvement in properties such as ESCR, toughness and impact strength
05/08/2003US20030087755 Olefin polymerization catalyst compositions and method of preparation
05/08/2003US20030087754 Coordination catalyst on catalyst support
05/07/2003EP1308466A1 Butene copolymer, resin composition comprising the copolymer and moldings of the composition, and solid titanium catalyst for producing the copolymer and method for preparing the catalyst
05/07/2003EP1308465A1 Improved hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making it, polymerisation process using it, and polyolefins made therewith
05/07/2003EP1308464A1 Process for the gas-phase (co-)polymerisation of olefins in a fluidised bed reactor
05/07/2003EP1307492A1 A catalyst for ethylene homo- and copolymerization
05/07/2003EP1131328B1 Methylene bridged metallocenes as olefin-polymerization-catalyst components
05/07/2003EP1082350B1 Process for early detection of reactor fouling in gas phase polymerisation
05/07/2003EP0938491B1 Heterocyclic metallocenes and polymerization catalysts
05/07/2003CN1416540A 过程控制系统 Process Control System
05/07/2003CN1416441A Improved polymerization process
05/07/2003CN1416440A Procatalysts catalyst systems, and use in olefin polymerization
05/07/2003CN1416439A Procatalysts including bidentate ligands,catalyst systems,and use in olefin polymerization
05/07/2003CN1416438A 催化剂 Catalyst
05/07/2003CN1416435A Catalyst for vinyl compound polymerization and process for producing vinyl polymer
05/07/2003CN1415679A Visible light solidified compsn.
05/07/2003CN1415632A Polymerization catalyst of neutral nickel alkene with binaphthyl type binuclear
05/07/2003CN1107684C Gas-phase polymerization process for producing propylene/1-pentene copolymers
05/07/2003CN1107682C Alpha-olefin polymerization catalyst
05/06/2003US6559348 Process for treating gas flows of polyolefin manufacturing
05/06/2003US6559326 Substituted phosphinophenoxide-metal complexes for the polymerization of olefins
05/06/2003US6559262 An elastomeric amorphous-crystalline blocks copolymer of at least one alpha olefin monomor with ethylene having less than 10 mole % ethylene units, said ethylene is incorporated randomly between the olefin units in the polymer chain with a
05/06/2003US6559253 Using hafnocene catalyst compounds with noncoordinating anions
05/06/2003US6559252 Comprise the product obtained by contacting: (A) a bridged and/ or substituted cyclopentadienyl compound of titanium, zirconium or hafnium; (B) an organometallic aluminium compound of the formula: Al(CH2-CR4R5-CR6R7R8)wR9qHz wherein
05/06/2003US6559250 Titanium-aluminum-magnesium catalyst containing external electron donors comprising three or more types of organo-silicon compounds
05/06/2003US6559249 Catalyst for producing an ultrahigh molecular weight polyethylene (UHWMP) and method for producing an UHWMP using the same
05/06/2003US6559248 Method of purifying olefin containing oxygenate contaminants. The method incorporates the use of extractive distillation. Under the appropriate conditions, olefins containing very low levels of oxygenate contaminants can be recovered.
05/06/2003US6559247 Polymerization effluent, comprising solid polymer, unreacted monomer, diluent and minor amounts of contaminants, to a high pressure flash where most of the fluid components are flashed and wherein a slip stream comprising diluent and minor amount
05/06/2003US6559091 Metal complex ligated by a monodentate, bidentate, tridentate, or tetradentate ligand, wherein at least one of the donor atoms of the ligand is a nitrogen atom substituted by a 1-pyrrolyl or substituted 1- pyrrolyl group
05/06/2003US6559090 Metallocene and constrained geometry catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparation
05/06/2003US6559089 Metallocene catalyst component for use in producing isotactic polyolefins
05/06/2003US6559088 Supported, often with MgCl2, Ziegler-Natta catalyst which has been modified with an amine, preferably during synthesis
05/06/2003US6559087 Treatment is carried out by continuously transporting the chromium containing catalyst or chromium containing catalyst support material through zones having different physical and/or chemical conditions
05/06/2003US6558513 Non-aqueous release from paper machine equipment
05/02/2003EP1306391A1 Ziegler-Natta catalyst for tuning MWD of polyolefin, method of making, method of using and polyolefins made therewith
05/02/2003EP1305348A1 Polymerization of olefinic orthoesters
05/02/2003EP1305271A1 Continuous manufacturing process for alpha-olefins
05/02/2003EP1011944B1 Method and device for processing tires
05/01/2003WO2003035708A1 Solid cocatalyst component for olefin polymerization and catalyst system thereof
05/01/2003WO2003035707A1 Method for producing poly-alpha-olefins
05/01/2003WO2003035704A1 Process for polymerization of olefins
05/01/2003WO2003035252A1 Chemical modification of particle surfaces by cross-linking
05/01/2003WO2002050133A3 A method for preparing a supported catalyst system and its use in a polymerization process
05/01/2003WO2002046249A9 Methods of copolymerizing ethylene and isobutylene and polymers made thereby
05/01/2003WO2002004527A3 Encoding methods using up-converting phosphors for high-throughput screening of catalysts
05/01/2003US20030083515 Nitrogen-containing group-13 anionic compounds for olefin polymerization
05/01/2003US20030083444 Slotted slurry take off
04/2003
04/30/2003CN1414983A Propylene polymers with ultra high melt flow rate
04/30/2003CN1414982A Active, heterogeneous supported bi-or tri-dentate olefin polymerisation catalyst
04/30/2003CN1414981A Method of polymerization
04/30/2003CN1414980A Mixed metal alkoxide and cycloalkadienyl catalysts for preparing polyolefins
04/30/2003CN1414979A Unique supported metallocene catalyst for producing syndiotactic styrenic polymer
04/30/2003CN1414978A Organometal catalyst compositions
04/30/2003CN1414880A Organometal compound catalyst
04/30/2003CN1107086C Using nitric oxide to reduce reactor fouling during polypropylene graft copolymerization
04/30/2003CN1107084C Propylene terpolymers and process for production thereof
04/30/2003CN1107083C Biaxially-oriented metallocene-based polypropylene films
04/30/2003CN1107082C Catalyst for synthesizing polyolefine with wide or double molecular weight distribution and its preparation
04/30/2003CN1107081C Process for preparing solid titanium catalyst component, polymerization catalyst and polymerization method
04/30/2003CN1107080C Process for polymerization of olefins
04/30/2003CN1107078C Polymerisation process
04/30/2003CN1107077C Method of vapor phase polymerization, vapor phase polymerizer and blower
04/29/2003US6555833 Charged particle beam lithography apparatus for forming pattern on semi-conductor
04/29/2003US6555643 Linear, isotactic polymers, process for preparing same, and use thereof
04/29/2003US6555642 Olefin polymer or copolymer formed using a solid catalytic component
04/29/2003US6555636 Polymerisation catalyst
04/29/2003US6555635 Preparation of vinyl-containing macromers
04/29/2003US6555634 Di- and tri-heteroatom substituted indenyl metal complexes
04/29/2003US6555632 Homo or copolymerization of alpha-olefin in presence of a catalyst system containing neutral halogenated metallocene catalyst, an organoaluminum compound, and an ionizing agent
04/29/2003US6555631 Manufacture of polyethylenes
04/29/2003US6555630 Introducing a Ziegler-Natta catalyst ion into a gaseous reaction mixture as a free anion or cation without corresponding counterion and substantially solvent-free
04/29/2003US6555494 An aluminoxane used as a Bronsted acid to activate metallocenes for polymerization catalysis
04/24/2003WO2003033587A1 Physical blends of polyethylenes
04/24/2003WO2003033551A1 Low carbon monoxide process for nickel catalyzed olefin polymerization
04/24/2003WO2003033550A1 Process control for the (co)-polymerisation of olefins
04/24/2003WO2003033543A1 Process for the gas-phase (co-) polymerisation of olefins in a fluidised bed reactor
04/24/2003US20030078458 Zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl by contacting the zinc alkyl with a catalyst system which uses a group 3-10 transition metal; metallocenes; by-product inhibition
04/24/2003US20030078357 Processability, e.g., low susceptibilty to melt fracture, even under high shear stress
04/24/2003US20030078350 Propylene polymers incorporating polyethylene macromers
04/24/2003US20030078346 Polymer-bonded functional agents
04/24/2003US20030078340 Impregnating a mechanically fluidized porous particulate support material with a catalyst and polymerizing monomer(s) to produce polymer; heating mixture antioxidants, ultraviolet radiation stabilizer, diluent and metal stearate; depositing
04/23/2003EP1304353A1 Physical blends of polyethylenes
04/23/2003EP1304319A2 Metallocenes and processes therefor and therewith
04/23/2003EP1303547A1 Propylene polymers with an ultra high melt flow rate
04/23/2003EP1303546A1 Process for the gas phase polymerisation of olefins
04/23/2003EP1303545A1 Supported polymerisation catalysts