Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
11/2004
11/25/2004US20040236163 Deactivation of olefin oligomerization catalyst system in olefin oligomerization reactor effluent stream by contacting with alcohol under conditions that minimize potential for deactivated catalyst system decomposition, including minimization of water content and concentration of deactivation agent
11/25/2004US20040236043 Olefin polymerisation process
11/25/2004US20040236041 Density of 940-970 kg/m3 and a long-term relaxation component index of 1.5-10; including copolymers with alpha-olefins produced via coordination catalyzed slurry polymerization with a first oxygen-free stage and a second stage in oxygen; blown films with excellent uniformity in thickness
11/25/2004US20040236025 Having an "a" parameter of up to 0.40, especially a metallocene polyethylene; excellent processability over a wide range of processing conditions; forming bottles, containers, cups, trays, pallets, toys, films, sheets, and pipes by extursion and blow molding, especially on a commercial scale.
11/25/2004US20040235644 particulate catalyst comprising a Group 2 metal, a compound of a transition metal and an electron donor; for propylene polymerisation; liquid/liquid two phase system where no separate carrier materials such as silica are needed in order to get solid catalyst particles
11/25/2004US20040235643 Process for preparing a diether-based catalyst component
11/24/2004EP1478617A1 Polyol ester compounds useful in preparation of a catalyst for olefins polymerization, process for preparing the same and use thereof
11/24/2004EP1294781B1 Process for the polymerisation of isobutene
11/24/2004EP1141043B1 Oligomer oils and their manufacture
11/24/2004CN1549852A Synthesis of poly-alpha olefin and use thereof.
11/24/2004CN1549830A Process for producing low polymer of alpha-olefin
11/24/2004CN1176957C Titanium-cobalt acetylacetonate composite catalyst for prparing branched polyethylene and its preparation method
11/23/2004US6822109 Trihydrocarbylsilylation; addition polymerization of olefins
11/23/2004US6822062 Supported group 8-10 transition metal olefin polymerization catalysts
11/23/2004US6822057 Olefin polymerization catalysts derived from Group-15 cationic compounds and processes using them
11/23/2004US6821921 Catalyst compounds with β-diiminate anionic ligands and processes for polymerizing olefins
11/23/2004US6821920 Polymerization catalysts and processes therefor
11/23/2004CA2121721C Crystalline propylene polymers having high melt flow rate values and a narrow molecular weight distribution
11/18/2004WO2004099269A2 Process for polymerizing 1-butene
11/18/2004WO2004099268A1 High activity olefin polymerization catalyst and process
11/18/2004WO2004078337A3 A quasi-living metal catalyst for ethylene homo-polymerization and co-polymerization with 5-norbornen-2-yl acetate
11/18/2004US20040230015 Olefin polymerization catalyst system
11/18/2004US20040229748 Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same
11/17/2004EP1477500A1 CRYSTALLINE POLYMER OF HIGHER a-OLEFIN AND PROCESS FOR PRODUCING THE SAME
11/17/2004EP1477499A1 Highly flowable 1-butene polymer and process for producing the same
11/17/2004EP1476479A1 Solid catalytic component and catalytic system of the ziegler-natta type, process for their preparation and their use in the polymerisation of alk-1-enes
11/17/2004EP1228110B1 Manufacture of polyethylenes
11/17/2004EP1226205B1 Heat-sealable polyolefins and articles made therefrom
11/17/2004EP1163275B1 Polymers based on vinylcyclohexane
11/17/2004EP1093475B1 Catalyst for the polymerisation of olefins
11/17/2004CN1546539A Process for preparing polyolefin by using self-supported metallocene catalyst
11/17/2004CN1176124C Complex catalyzer of boron trifluoride for synthesizing polyisobutylene as well as its preparation method
11/17/2004CN1176123C Initiation system for preparing polyisobutene with reactive activity
11/17/2004CN1176122C Compound catalyst for synthesizing polyvinyl and preparation process thereof
11/16/2004US6818715 Ligand system for novel complexes containing late transition metals which can be used for polymerization of unsaturated compounds and give branched polymers
11/16/2004US6818714 Catalytic system using new ligands which, used in situ with nickel complex in zero oxidation state, make it possible to obtain polyolefin with very high activity even in presence of polar medium
11/16/2004US6818712 Coordination polymerization catalyst
11/16/2004US6818711 Polymerization of olefins using a ziegler-natta catalyst system having an external electron donor
11/16/2004US6818708 Polymerizing olefins using a multi-stage polymerization vessel including a vapor-phase polymerization reactor in which the concentration of gas in later stage vapor phase polymerization is easily controlled
11/16/2004US6818585 As polymerization catalyst used in polymerization of olefin(s)
11/16/2004US6818583 High yields and high isotactic index; comprising mg, ti, halogen and a succinate electron donor
11/16/2004US6818187 Broad molecular weight distribution; homogeneity; preventing riser gas from entering downcomer
11/16/2004US6818186 System for removing heavies from diluent recycled to a slurry polymerization reactor
11/11/2004WO2004096434A1 Catalyst activation method and activated catalyst
11/11/2004WO2003064433A8 Polymerization catalyst activator and its use in a polymerization process
11/11/2004US20040225098 Process for the gas phase polymerisation of olefins
11/11/2004US20040224838 Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer
11/10/2004EP1475394A2 Olefin polymerization process
11/10/2004EP1246853B1 Process for the gas phase polymerization and copolymerization of olefin monomers
11/10/2004CN1545525A Catalyst system for the polymerization of olefins
11/10/2004CN1545207A Non-linear model predictive control method for controlling a gas-phase reactor including a rapid noise filter and method therefor
11/10/2004CN1544490A Method for catalyzed polymerization of ethylene
11/10/2004CN1175010C Process for preparing high-crystallinity polypropylene in kettle
11/10/2004CN1175008C Isobutene polymerisation process
11/10/2004CN1175003C alpha-olefin polymers, alpha-olefin-polymerizing catalyst
11/10/2004CN1175002C Catalyst for ethylene homo-and copolymerization
11/10/2004CN1175001C Free radical polymerization in presence of plurality of stable free radicals
11/10/2004CN1174990C Catalyst component having at least phosphinimine ligand and heteroatom ligand
11/09/2004US6815571 Method for producing ethylene polymers in a high-pressure process
11/09/2004US6815514 Catalysts
11/09/2004US6815512 Polyolefin production using condensing mode in fluidized beds, with liquid phase enrichment and bed injection
11/09/2004US6815511 Feeding olefin monomer to loop reaction zone, polymerizing to produce fluid slurry of solid olefin polymer particles, continuously withdrawing portion of slurry through lines, monitoring pressure in lines, opening inactive line if needed
11/09/2004CA2217848C Preparation of low molecular weight, highly reactive polyisobutene
11/04/2004WO2004094488A1 Olefin polymerization catalysts based on hydroxyl-depleted calixarene ligands
11/04/2004WO2004094486A1 Polymerization of i-butene in hydrocarbon media using bis(borane) co-initiators
11/04/2004WO2004094481A2 Polymerization of i-butene in hydrocarbon media using bis(borane)co-initiators
11/04/2004WO2004094480A2 Supported metallocene catalyst system for olefin polymerization, method for making and using the same
11/04/2004WO2004094259A1 Extruded polypropylene sheets containing beta spherulites
11/04/2004WO2004094041A1 Method of treating a gas mixture comprising propane and propylene
11/04/2004WO2004078765A3 Catalysts for the polymerization of styrene
11/04/2004WO2004072024A3 Polyisobutene phosphonic acid and the derivatives thereof
11/04/2004US20040220367 Ethylene-alpha-olefin copolymer, resin composition containing same and biaxially stretched film thereof
11/04/2004US20040220360 Blend of bridged bisindenyl zirconocene dichlorides, where one zirconocene contains saturated indenyls and the other unsaturated indenyls for use as polymerization catalysts
11/04/2004US20040220359 Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
11/04/2004US20040220358 Free-radical chain initiator are supplied to a streaming flow of ethylene, molar mass regulator and polyethylene at pressure of 2000-3500 bar, passes through a temperature profile of 100-350 degrees c
11/04/2004US20040220320 Functionalized C3-C40 olefin polymer as hot melt adhesives, tie layers, primers, compatibility agents; intimately bonds to polar/non-polar substrates; superior durability of bond strength at various temperatures, set times and with aggressive products present; heat resistance at high temperature
11/04/2004US20040220051 polymerization complex catalyst on catalyst support; for polypropylene
11/04/2004US20040220050 Group 4 metal complex for use as a catalyst component of an addition polymerization catalyst composition; for example, 2-[N-(2,6-diisopropylphenylamido)-o-isopropylphenylmethyl]-6-(2- eta -1-naphthyl)-pyridyl hafnium(IV) dimethyl
11/04/2004DE10317863A1 Verfahren zur Herstellung von Polyisobutenyl(meth)acrylaten Acrylates process for preparing polyisobutenyl (meth)
11/04/2004DE10317533A1 Metering, e.g. catalyst into reactor containing fluidized particles bed in partly gaseous medium by introducing fluid stream into reactor so that region with reduced particle density is formed in fluidized bed around metering point(s)
11/04/2004DE10317398A1 Preparation of Ziegler-Natta type catalyst systems involves contacting inorganic metal oxide with tetravalent titanium compound, and contacting obtained intermediate with magnesium compound and then with halogenating reagent
11/04/2004DE10317395A1 Preparation of Ziegler-Natta type catalyst systems by contacting inorganic metal oxide with tetravalent titanium compound, and contacting obtained intermediate with magnesium compound, with halogenating reagent and then with donor compound
11/04/2004CA2523247A1 Olefin polymerization catalysts based on hydroxyl-depleted calixarene ligands
11/04/2004CA2522715A1 Cationic polymerization of olefins in organic media using dinuclear flu oroaryl co-initiators
11/03/2004EP1472298A1 Polymer film
11/03/2004EP1472294A1 Halosulfonic acid treated catalyst support for olefin polymerization
11/03/2004EP1472293A1 SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFINS, CATALYST COMPRISING THE SAME AND USE THEREOF
11/03/2004EP0835269B1 Olefin polymerization process
11/03/2004CN1543483A Bimodal polyethylene pipe composition and article made therefrom
11/03/2004CN1542014A Silicon ether compound and preparation method and application thereof
11/03/2004CN1174003C Polymerization of olefins
11/03/2004CN1173999C Polymerization catalysts and processes therefor
11/02/2004US6812306 Metallic compounds and the use thereof in the polymerization of olefins
11/02/2004US6812305 Method for the production of a catalyst system for the polymerization of olefins
11/02/2004US6812185 Preparation of a metal-containing supported catalyst or a supported catalyst component by impregnation of a support material
11/02/2004US6812184 For gas phase olefin polymerization
11/02/2004US6812182 Coordination polymerization catalyst
10/2004
10/28/2004WO2004092233A1 Catalyst systems of the ziegler-natta type and a process for preparing them
10/28/2004WO2004092232A1 Ziegler-natta catalyst systems and process for their preparation
10/28/2004WO2004092230A1 Process for preparing porous polymers and polymers thereof
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