Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
05/2008
05/06/2008US7368516 Organometallic complex having a neutral multidentate ligand having a tripod structure, an alkylaluminoxane, and an amine and/or amide compound; for producing 1-hexene; tris(3,5-dimethyl-1-pyrazolyl)methanechromium trichloride(III); catalyst selectivity
05/06/2008CA2341008C Preparation of polyethylene waxes
05/01/2008US20080103272 Turbulent flow, continuous, catalyzed, cationic slurry polymerization in hydrofluorocarbon diluent; fouling inhibition; isobutylene polymers, high molecular weight butyl rubber
04/2008
04/30/2008CN101168608A Technique capable of largely increasing polypropylene dyeing performance
04/30/2008CN101168581A Green preparation method for molecular weight controllable polyethylene
04/30/2008CN100384892C Catalysts for olefin polymerization
04/30/2008CN100384889C Polymerization of olefins
04/30/2008CN100384888C Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and alpha-olefin/conjugated diene copolymers
04/29/2008US7365152 Isobutene is polymerized in the presence of a catalyst which comprises a halogenated Lewis acid, the catalyst is removed and/or deactivated, and the resulting polyisobutene is contacted with a zeolite of an average pore size of from 5 to 15 A
04/29/2008US7365144 Polypropylene composite composition
04/29/2008US7365143 Polypropylene composite composition
04/29/2008US7365138 modifying coordination catalysts comprising by contacting the catalyst with olefin monomers to form prepolymerized catalysts, to reduce the number of catalyst particles having 40 microns or less, used to produce polymer fluff particles
04/29/2008US7365137 Multistep process for the (co) polymerization of olefins
04/29/2008US7365136 Using loop and vapor phase reactors; resistance to deformation at elevated temperatures, high tensile strength, surface hardness, and good toughness at ambient temperatures
04/29/2008US7364685 Method for producing implant parts from highly cross-linked UHMWPE and implant parts for human medicine
04/24/2008WO2008048364A2 Mixed alcohol synthesis with enhanced carbon value use
04/24/2008US20080096102 Microporous Polyolefin Film and Separator for Storage Cell
04/24/2008CA2648630A1 Mixed alcohol synthesis with enhanced carbon value use
04/23/2008EP1914252A1 Method of polymerization
04/22/2008US7361720 Has a Mw/Mn of less than 5, a melt flow rate of less than 7 g/10 min., a 1% secant flexural modulus of greater 5 than 300,000 psi and less than 2 wt. % xylene solubles; contains 500 ppm to less than 2500 ppm of a nucleator/clarifier additive
04/22/2008CA2246342C Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
04/17/2008US20080090978 Ligand of cyclopentadiene fused to heterocycle with atom(s) of boron, nitrogen, oxygen, aluminum, silicon, phosphorus, sulfur, gallium, germanium, arsenic, selenium, indium, tin, antimony and/or tellurium; coordination catalysts; isotatic, syndiotactic or atactic polyethylene, polypropylene or copolymer
04/16/2008CN101163723A Olefin polymerization process
04/16/2008CN101161690A Catalyst for preparing super-high molecular weight polyethylene and preparation method thereof
04/16/2008CN101161687A Continuous large-devolatilization double screw extruder drying method in production of chlorinated polypropylene
04/16/2008CN100381475C High activity olefin polymerization catalyst and process
04/16/2008CN100381474C Olefine polymerizing catalyst and method thereof
04/15/2008US7358209 Polymerisation catalysts
04/15/2008CA2279515C Polymerization catalyst systems comprising heterocyclic fused cyclopentadienide ligands
04/10/2008US20080085982 Sintering Ultrahigh Molecular Weight Polyethylene
04/10/2008US20080085944 Head support for operating table; hard foam core of expanded polyethylene surrounded by an outer imitation leather sheath laminated to a soft polyethylene foam support
04/09/2008EP1578805A4 Static measurement and detection in a gas phase polyethylene reactor
04/09/2008EP1406934B1 Polyisobutene composition
04/09/2008EP1363955B1 Multinuclear metallocene catalyst
04/09/2008CN101157771A Supported beta crystal core formation agent and preparation method thereof
04/09/2008CN101157707A Metallic compound, catalytic component for addition polymerization, catalyst for addition polymerization and method for producing addition polymer
04/09/2008CN100379811C Polyolefin /montmorillonite nanometer composite material and preparation method thereof
04/09/2008CN100379768C Polyolefin production
04/08/2008USRE40234 Alumoxane; Group IV B complex with one cyclopentadienyl-, indenyl- or fluorenyl- ring that is substituted Group IVA, VA and/or VIA ligands; producing high molecular weight polypropylene with narrow molecular weight distribution
04/08/2008US7354981 Magnesium-alcohol complex prepared by reacting magnesium compound in nascent state, alkylaluminum chloride, and titanium alkoxychloride; complexing; gas phase, addition, and slurry polymerization; good particle morphology; low and high molecular weight polymers; hydrogen response
04/08/2008US7354979 Polymer production at supercritical conditions
04/08/2008CA2407602C Polymerization catalyst compositions and processes to produce polymers and bimodal polymers
04/08/2008CA2273287C Optical cable with filling material
04/02/2008EP1689814A4 Low haze high strength polyethylene compositions
04/02/2008CN101153064A Method of producing nylon fuel oil by original position common mix
04/02/2008CN100378131C Supported metallocene catalyst system for olefin polymerization, method for making and using the same
04/02/2008CN100378130C Catalyst for propylene polymerization
04/01/2008US7351871 Processes for producing poly-alpha-olefins, and poly-alpha-olefins produced thereby
04/01/2008US7351780 Made via continuous process; useful as lubricants or lubricant additives; catalyst is reaction product of a metal halide (e.g. chloroaluminate) and an alkyl-containing amine hydrohalide salt
04/01/2008US7351778 Magnesium, titanium, a halogen and an electron donor dibasic ester compounds; polymerization of propylene, polymer with higher isotacticity and broader molecular weight distribution can be obtained in higher yield
03/2008
03/27/2008DE102007040919A1 Producing polymers by polymerizing olefinic monomers in the liquid phase in the presence of an ionic liquid catalyst comprises using a pyrazolium salt as the catalyst
03/25/2008US7348388 Copolymer containing organosilicon compound
03/25/2008US7348381 High modulus, high ductility polyolefins
03/25/2008CA2200428C Process and apparatus for the gas-phase polymerization of alpha-olefins
03/25/2008CA2166450C Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints
03/20/2008WO2007124680A3 A process for the preparation of high performance polypropylene
03/20/2008US20080071090 Chromium complexes and their use in olefin polymerization
03/20/2008US20080071048 Highly flowable 1-butene polymer and process for producing the same
03/20/2008US20080071047 Catalyst Composition And Use Thereof
03/19/2008EP1373325B1 Latent metallocene catalyst systems for olefin polymerization
03/18/2008US7345129 resultant polymers exhibit improved performance and processing properties; especially of ethylene alone or the copolymerisation of ethylene with higher 1-olefins to provide homopolymers and copolymers having controllable molecular weights
03/18/2008US7345128 Peroxide curable butyl formulations
03/18/2008US7345122 titanium in the catalyst residues is not detected in the ppm level; carried out using inert gas
03/18/2008US7345119 Olefin polymerization catalyst and olefin polymerization method using the same
03/18/2008US7345113 To form high topload blow moldings and high temperature or high pressure, long duration pipes
03/18/2008US7345017 As raw material to produce telechelic oligoolefin containing a reversible photopolymerization/dissociation group
03/18/2008US7344775 Especially prepared using a metallocene catalyst having at least 60 %propylene units and 13C NMR peaks corresponding to a regio-error at 14.6 and 15.7 ppm, the peaks of about equal intensity, blended with another polymer; carpet, synthetic hair, feminine hygiene, diaper, sportswear, upholstery, bandages
03/18/2008CA2321712C Tridentate ligand-containing metal catalyst complexes for olefin polymerization
03/13/2008US20080064835 Using coordination polymerization catalyst comprising an organometallic compound of a transition metal or of an actinide or lanthanide, in the form of solid catalyst particles, for polymerizing olefins without using e.g. external porous carrier particles, such as silica
03/12/2008EP1709088B1 Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same
03/12/2008EP1639024A4 Thermoplastic elastomeric multiblock copolymers of isobutylene and norbornene
03/12/2008CN101139531A Poly alpha-olefin dewaxing agent and preparation method thereof
03/11/2008US7342078 Copolymerization of propylene with an olefin, in presence of a catalyst system comprising cocatalyst and metallocene
03/11/2008US7341971 Production of olefin polymerization catalysts
03/06/2008WO2008027116A1 Preparation of polymerization catalyst activators utilizing indole-modified silica supports
03/06/2008US20080058484 gas-phase polymerization processes in which the growing polymer particles flow downward into the reactor in a densified form, so that high values of density of the solid inside the reactor are reached
03/06/2008US20080058481 Transfer Vessel Between Flash Tank and Purge Column
03/06/2008US20080058199 Compositions that can produce polymers
03/05/2008CN100372874C Chlorinated polyethylene with high maximum elongation, and preparation process and application thereof
03/04/2008US7339018 comprises supported metallocene for catalytic polymerization
02/2008
02/28/2008US20080051533 Metal catalyst for olefin polymerization and co-polymerization with functional monomers
02/27/2008CN101133089A Supported olefin polymerization catalysts
02/27/2008CN101130505A Method for producing polyolefinic amines and compositions containing same
02/27/2008CN100371355C Preparation method of ultraviolet radiation modified high-density polyethylene
02/27/2008CN100371351C Organometal catalyst compositions
02/26/2008USRE40121 Transition metal compound
02/26/2008US7335716 Ethylene (co)polymers and uses thereof
02/21/2008US20080045674 continuously withdrawing polymer slurry from the reactor and concentrating the slurry in a simple and economic way; using a self-cleaning screen as a concentrating device to retain polymer particles; fluid phase is returned to the reactor; propane diluent
02/21/2008US20080042323 a polypropylene sheet which has a beta crystal fraction of 0.15 or more and is obtained by heat-melting, extruding and gradually cooling the above polypropylene; can be suitably used for a capacitor film without using an additive such as a beta crystal nucleating agent; high degree of dielectric
02/20/2008CN101125291A Integrated advanced chemical process control
02/20/2008CN100369940C Catalysts for olefin polymerization
02/19/2008US7332556 Crystalline polymers of propylene having improved processability in the molten state and process for their preparation
02/19/2008US7332549 Contacting ethylene under polymerization or copolymerization conditions in a reactor in which the start-up bed is fluidised and/or agitated with mechanical stirring, with a catalyst system
02/19/2008US7332455 Utilizes magnesium halide and silica as composite support; formed from epoxy compounds and titanium/aluminum complexes; stability; stereospecific
02/14/2008US20080039602 Process for producing prepolymerization catalyst for polymerization of olefin and process for producing olefin polymer
02/14/2008US20080039597 Process And Apparatus For Producing Olefin Polymers
02/14/2008US20080039596 Method and Apparatus for Preparing and Supplying Catalyst Slurry to a Polymerization Reactor
02/14/2008US20080036111 Non-oxidizing thermally crosslinked polymeric material and medical implant
02/14/2008US20080035572 Chemically cross-linked polymeric membranes and method of use
02/14/2008US20080035571 for separating hydrocarbon feeds
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