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Synthetic resins or natural rubbers -- part of the class 520 series October categorized by USPTO classification 10/10

20100273961 - Slurry loop reactors: Reactor systems suitable for the polymerization of an olefin monomer including first and second loop reactors effective for the polymerization of an olefin monomer and polymers formed therefrom are described herein. Each of said reactors generally include at least one settling leg connected to said reactor for receiving polymer slurry... Agent: Fina Technology Inc

20100273960 - Slurry phase polymerisation process: Process for producing a multimodal polyethylene in at least two loop reactors connected in series, in which 20-80 wt % of a high molecular weight (HMW) polymer is made in suspension in a first reactor and 20-80 wt % of a low molecular weight (LMW) polymer is made in suspension... Agent: Nixon & Vanderhye, PC

20100273962 - Polyethylene materials prepared using mixed ziegler-natta catalyst systems: A polyethylene may be prepared using a mixture of a silica supported catalyst and a magnesium chloride supported catalyst. By changing the ratio of the two catalysts, the polyethylene produced may have a varying bulk density and shear response. The method allows for the tuning or targeting of properties to... Agent: Fina Technology Inc

20100273963 - Process for producing polydienes: A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing employs a lanthanide-based catalyst system.... Agent: Bridgestone Americas, Inc.

20100273964 - Heterogeneous lewis acid catalysts for cationic polymerizations: A process for cationically polymerizing olefin monomers in a reaction mixture includes the step of contacting olefin monomers and a catalytically effective amount of an initiating composition containing (A) a heterogeneous Lewis acid coinitiator selected from the group consisting of open chain and cyclic aluminoxane compounds and (B) an initiator... Agent: Renner Kenner Greive Bobak Taylor & Weber

20100273965 - Polymeric additives obtained by salification of copolymers: The present invention relates to a salified copolymer that can be obtained by salification, in an aqueous medium, using at least one amine containing at least one nitrogenous heterocyclic group, of a copolymer obtained from at least one cyclic anhydride-based or carboxylic acid-based monomer and from at least one styrene-based... Agent: Arkema Inc. Patent Department - 26th Floor

20100273966 - Procatalyst composition with adamantane and method: Disclosed are procatalyst compositions having an internal electron donor which includes an adamantanedicarboxylate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions produce propylene-based olefins with broad molecular weight distribution.... Agent: Ted Barthel Whyte Hirschboeck Dudek S.c.

20100273967 - Fluorinated polymer, negative photosensitive resin composition and partition walls: A fluorinated polymer which is a copolymer made of at least two monomers each having an ethylenic double bond, and which has a side chain having a C20 or lower alkyl group in which at least one of its hydrogen atoms is substituted by a fluorine atom (provided that the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100273968 - Addition reaction to fluoroallylfluorosulfate: wherein X1 and X2, equal to or different from each other, are independently a fluorine atom or a C1-C3 fluorocarbon group. The FAFS-hypofluorite adducts of formulae (I-A) and (I-B) can be produced with high selectivity so as to access useful intermediates which can further be reacted taking advantage of the... Agent: Solvay C/o B. Ortego - Iam-nafta

20100273969 - Support for solid-phase synthesis and process for producing the same: The present invention relates to a support for solid-phase synthesis, which contains a porous copolymer particle, the copolymer particle containing 25 to 60% by weight of an aromatic-vinyl structural unit, 20 to 55% by weight of a vinyl cyanide structural unit, 5 to 18% by weight of an ethylenically-unsaturated-carboxylic-acid structural... Agent: Sughrue-265550

20100273970 - Process for preparation of high purity methacrylic acid: The present invention relates to a process for preparation of pure methacrylic acid, at least comprising the process steps: a) gas phase oxidation of a C4 compound to obtain a methacrylic acid-comprising gas phase, b) condensation of the methacrylic acid-comprising gas phase to obtain an aqueous methacrylic acid solution, c)... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100273971 - Reactor system and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymerization of olefins: The invention relates to a reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), having one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an outlet for polymerized particles. The... Agent: The Webb Law Firm, P.C.

20100267904 - Method and device for optimising catalyst supply to a polymerisation reactor: Methods for supplying a catalyst to an ethylene slurry loop polymerization reactor and polymers formed therefrom are described herein. The method generally includes preparing a catalyst slurry in a preparation vessel wherein the slurry includes a hydrocarbon diluent liquid which contains a Ziegler-Natta catalyst; supplying the catalyst slurry from the... Agent: Fina Technology Inc

20100267903 - Process for the preparation of propylene random copolymers: A process for the preparation of a propylene random copolymer, wherein propylene is polymerised with ethylene and/or a C4-C20 alpha-olefin in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (a) have a specific surface area of less than 20 m2/g, (b) comprise a... Agent: Warn, Hoffmann, Miller & Lalone, .p.c

20100267905 - Copolyether glycol manufacturing process: The present invention provides a process for manufacturing copolyether glycol having a mean molecular weight of from about 650 to about 5000 dalton by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst and at least one compound containing reactive hydrogen atoms. More... Agent: Invista North America S.a.r.l.

20100267906 - Solution polymerization process for preparing polyolefins: e

20100267907 - Metallocene compounds, catalysts comprising them, process for producing an olefin polymer by use of the catalysts, and olefin homo-and copolymers: Certain metallocene compounds are provided that, when used as a component in a supported polymerization catalyst under industrially relevant polymerization conditions, afford high molar mass homo polymers or copolymers like polypropylene or propylene/ethylene copolymers without the need for any α-branched substituent in either of the two available 2-positions of the... Agent: Osha Liang LLP (novolen)

20100267908 - Catalyst for olefin polymerization, process for producing olefin polymer, olefin copolymer, novel transition metal compound, and process for producing transition metal compound: (M is a transition metal atom selected from Groups 4 to 6 of the periodic table; the two of R1 to R4, which are adjacent to each other, are combined to form a ring with the carbon atoms to which the two are bonded; groups of not forming a ring,... Agent: Foley And Lardner LLP Suite 500

20100267909 - Bimodal pipe resin and products made therefrom: Disclosed is a bimodal Ziegler-Natta catalyzed polyethylene, having a density of from 0.930 g/cc to 0.960 g/cc, and a molecular weight distribution of from 10 to 25, wherein an article formed therefrom has a PENT of at least 1500. Also disclosed is a method of preparing a tubular article including... Agent: Fina Technology Inc

20100267910 - Catalyst system for olefin polymerization comprising phenanthroline-comprising iron complexes: Catalyst system for olefin polymerization comprising (a) at least one phenanthroline-comprising iron complex, (b) an organic or inorganic support, (c) optionally one or more activators, (d) optionally one or more metal compounds of group 1, 2 or 13 of the Periodic Table and (e) optionally further catalysts suitable for olefin... Agent: Lyondellbasell Industries

20100267911 - Procatalyst composition with silyl glutarate and method: Disclosed are procatalyst compositions having an internal electron donor which includes a silyl glutarate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit strong activity and produce propylene-based olefins with high isotacticity.... Agent: Whyte Hirschboeck Dudek S.c./dow Intellectual Property Department

20100267912 - Method of preparing vinyl chloride polymers having superior processability: The present invention relates to a method of preparing a vinyl chloride polymer, and more precisely, a method of preparing a vinyl chloride polymer having excellent processability by raising a final polymerization temperature up to 5˜20° C. from an first polymerization temperature.... Agent: Lgchem Lerner, David, Littenberg, Krumholz & Mentlik, LLP

20100267913 - Polymers made from polyhedral oligomeric silsesquioxanes and diacetylene-containing compounds: A compound having the formula below. Each R is methyl or phenyl; R2 comprises one or more of silane, siloxane, and aromatic groups; n is a nonnegative integer; and m is 1 or 2. The dashed bond is a single bond and the double dashed bond is a double bond,... Agent: Naval Research Laboratory Associate Counsel (patents)

20100267914 - Method for producing temperature resistant nonwovens: Temperature resistant multilayer composites, methods for making same, and articles made therefrom. The method can include extruding one or more polyolefin polymers having a MFR from less than 90 dg/min through at least one die having a plurality of nozzles to form a plurality of continuous fibers, at least one... Agent: Exxonmobil Chemical Company

20100267915 - Reactor system and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymerization of olefins: The invention relates to a reactor system and process for the catalytic polymerization of olefin monomer and optionally comonomer(s), having one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an outlet for polymerized... Agent: The Webb Law Firm, P.C.

20100267916 - Reactor system for the catalytic polymerization of olefins comprising shielding means and a process and use thereof: The invention relates to a reactor system and process for the catalytic polymerization of olefin monomer and optionally comonomer(s), having one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an outlet for polymerization... Agent: The Webb Law Firm, P.C.

20100267917 - Polyisoprene condoms: The present invention relates to processes for making synthetic polyisoprene latex and synthetic polyisoprene condoms. A process for making a compounded synthetic polyisoprene latex suitable for making a latex film comprises (a) compounding a synthetic polyisoprene latex with suitable compounding ingredients, (b) maturing the latex and optionally (c) storing the... Agent: Merchant & Gould PC