Synthetic resins or natural rubbers -- part of the class 520 series inventions 05/09

20090137753 - Process for polymerizing olefins in the presence of an olefin polymerization catalyst: The present invention relates to a process for the preparation of multimodal ethylene homo- or copolymers in at least two stages, the process comprising preparation of a first ethylene homo- or copolymer fraction in a loop reactor in slurry phase, preparation of a second ethylene homo- or copolymer fraction in... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20090137754 - Polymer catalyst deactivation and acid neutralization using ionomers: A process for deactivating an active catalyst species in an olefin polymer stream exiting a polymerization reactor and neutralizing catalyst residues comprising adding to the olefin polymer stream in a quantity at least sufficient to inactivate the catalyst species and neutralize catalyst residues a composition comprising an ionomer having a... Agent: The Dow Chemical Company

20090137755 - Ethylene polymer, catalyst for ethylene polymer production, and method for producing ethylene polymer: An object of the present invention relates to provide an ethylene polymer having excellent mechanical strength and excellent molding processability in a wide molding processing temperature range. The invention relates to use an ethylene polymer comprising a repeating unit derived from ethylene, or a repeating unit derived from ethylene and... Agent: Sughrue-265550

20090137756 - Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density: Disclosed herein is a gas phase polymerization process including the steps of passing a recycle stream through a fluidized bed in a gas phase fluidized bed reactor in the presence of a bulk density promoting agent, wherein the bulk density promoting agent is of a saturated hydrocarbon and/or a non-polymerizable... Agent: Univation Technologies, LLC

20090137757 - Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof: A polar group-containing olefin copolymer having excellent adhesion properties to metals or polar resins and excellent compatibility therewith, a process for preparing the copolymer, a thermoplastic resin composition containing the copolymer, and uses thereof. The polar group-containing olefin copolymer comprises a constituent unit derived from an □-olefin of 2 to... Agent: Birch Stewart Kolasch & Birch

20090137758 - Polymeric nitroxides their preparation and use: The instant invention relates to a process for the preparation of polymeric nitroxide radicals by group transfer polymerization. Further aspects of the invention are the polymers containing the nitroxide radicals as well as their use, in particular as active electrode materials in organic radical batteries.... Agent: Joann Villamizar Ciba Corporation/patent Department

20090137759 - Biochemical synthesis of 6-amino caproic acid: The invention relates to biochemical synthesis of 6-amino caproic acid from 6-aminohex-2-enoic acid compound or from 6-amino-2-hydroxyhexanoic acid, by treatment with an enzyme having α,β-enoate reductase activity towards molecules containing an α,β-enoate group and a primary amino group. The invention also relates to processes for obtaining suitable genetically engineered cells... Agent: Nixon & Vanderhye, PC

20090137760 - Adhesive composition and adhesive film: An adhesive composition which is reduced in gas generation upon heating (has low hygroscopicity), has high alkali resistance, has heat resistance of 200° C. or higher, and can be easily removed with a stripping liquid; and an adhesive film made with the adhesive composition. The adhesive composition is prepared using,... Agent: Knobbe Martens Olson & Bear LLP

20090137761 - Polymerizable liquid crystal compound having fused ring and homo- and copolymer of the polymerizable liquid crystal compound: wherein R1 and R2 each represent hydrogen, a methyl group or halogen; rings A to C each represent a benzene ring, a naphthalene ring, etc.; at least one of rings A to C is a fused ring; X, Y, and Z each represent a C1 to C6 alkyl group, etc.;... Agent: Young & Thompson

20090131610 - Process for production of amphoteric electrolyte resin by continuous bulk polymerization and apparatus for the production: A process for producing an amphoteric electrolyte resin by continuous bulk polymerization at low cost is provided. Also provided is an apparatus for achieving the process. The process comprises the steps of: feeding, from the mixture supply side, a mixture comprising 0.01 to 10 wt % of at least one... Agent: Manelli Denison & Selter

20090131611 - Short-chain branched polypropylene: A short-chain-branched polypropylene having xylene solubles of at least 0.5 percent by weight is provided. In certain embodiments the polypropylene has a strain hardening index of at least 0.15 as measured by a deformation rate of 1.00 s−1 at a temperature of 180° C. In certain embodiments, the strain hardening... Agent: Mcandrews Held & Malloy, Ltd

20090131612 - Microchannel polymerization reactor: A microchannel polymerization reactor comprising: (a) a first microchannel adapted to carry a reactant stream; (b) a fluid conduit adapted to carry a fluid in thermal communication with the first microchannel; and (c) a static mixer in fluid communication with the first microchannel adapted to provide a mixing zone operative... Agent: Taft, Stettinius & Hollister LLP

20090131613 - Supported polymerisation catalysts: A method for the preparation of a supported polymerisation catalyst system, comprises: (1) contacting together in a suitable solvent (a) a transition metal polymerisation talyst and (b) a cocatalyst, (2) contacting the mixture from step (1) with a porous support material, and (3) removing the solvent is characterised in that... Agent: Nixon & Vanderhye, PC

20090131614 - Supported polymerisation catalysts: A supported polymerisation catalyst system comprises: (a) a polymerisation catalyst, (b) a cocatalyst, and (c) a porous support, and is characterised in that the porous support has been pretreated with (i) a chemical dehydration agent and (ii) a hydroxy compound wherein the hydroxy compound is not a cocatalyst or component... Agent: Nixon & Vanderhye, PC

20090131615 - Catalyst systems based on aromatic diimine ligands: The present invention discloses the use of aromatic diamine ligands to prepare catalyst systems suitable for the oligomerisation or polymerisation of ethylene and alpha-olefins.... Agent: Fina Technology Inc

20090131616 - Methods for improving heat transfer in polymerization processes: Methods for improving heat transfer in polymerization processes are described herein. The methods generally include contacting olefin monomer with a catalyst system within a reaction zone to form particles having a first average particle size and altering the reaction zone to improve heat transfer and form polymer particles having a... Agent: Fina Technology Inc

20090131617 - Coating for leak detection and method: A coating is used to detect a fluid leak.... Agent: Los Alamos National Security, LLC

20090131618 - Pre-stretched film roll with entrapped air and method: A pre-stretched film roll of a mono orientated linear low density polyethylene (LLDPE) is stretched between 30% and 320% from it's original length depending on the final product that is required. Stretching is in the machine direction (MD) at a controlled rate in two stages. Differentially rewinding the film entraps... Agent: The H.t. Than Law Group

20090131619 - Methods of using heterocycle-amine ligands, compositions, complexes, and catalysts: Ligands, compositions, and metal-ligand complexes that incorporate heterocycle-amine compounds are disclosed that are useful in the catalysis of transformations suchas the polymerization of monomers into polymers. The catalyst have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The... Agent: Derick E. Allen (28217) Armstrong Teasdale LLP

20090124768 - Process for producing polymers: Catalyst systems for producing olefin polymers, methods of making such catalyst systems, and processes for producing olefin polymers using such catalyst systems are provided. The catalyst system comprises a first component and a second component, where the first component comprises chromium on a support, where the support comprises phosphated alumina,... Agent: Fletcher Yoder (chevron Phillips)

20090124769 - Process for producing cycloolefin addition polymer, catalyst for addition polymerization of cycloolefin, and transition metal compound: A process for producing a cycloolefin addition polymer comprising addition-polymerizing a cycloolefin in the presence of a catalyst comprising a combination of a specific transition metal compound of Group 4 of the Periodic Table, with an organoaluminum oxy compound, and/or a compound capable of reacting with the Group 4 transition... Agent: Birch Stewart Kolasch & Birch

20090124770 - Supported metal alkyl compound and process for the polymerization of olefins in its presence: The present invention relates to pulverulent solids obtainable by reaction of a metal alkyl compound of a divalent or higher-valent metal and a finely divided support which on its surface bears functional groups which can form a chemical bond between the metal atom of the metal alkyl compound and the... Agent: Lyondellbasell Industries

20090124771 - Polymerization catalyst and method for producing poly-alpha-olefin using the catalyst: The present invention provides a polymerization catalyst prepared by bringing (A) a transition metal compound, (B) a solid boron compound capable of forming an ion pair with the component (A), (C) an organoaluminum compound, and (D) one or two or more kinds of compounds selected from an α-olefin, an internal... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090124772 - Process for producing organic transition metal complex compound, metathesis catalyst produced by using the same, ring-opening metathesis polymer obtainable with the metathesis catalyst, and process for producing the polymer: A process for synthesizing an organic transition metal complex compound with an atom group having an electron-donor ability, in an industrially and economically advantageous manner, without a compound having a proton-donor ability being a metal salt, and a metathesis catalyst produced with the use of the above process, are provided.... Agent: Buchanan, Ingersoll & Rooney PC

20090124773 - Crosslinked polyolefins for biomedical applicatios and method of making same: The invention relates to a polymer composition that includes a branched alkene which is cationically polymerizable as well as a glass-forming comonomer and/or a vinyl comonomer containing benzocyclobutene as the pendant group. The structure of the polymer composition can take various forms: linear random copolymer, linear block copolymer, star random... Agent: Gordon & Jacobson, P.C.

20090124774 - Fluoroolefin monomers and copolymers thereof: Disclosed herein are novel fluoroolefins of formula Rf-O—(CF2CF2)n(CH2CF2)m—CH═CH2, wherein n is 1 or 2, m is 0 or 1 and Rf is a C1-C8 fluoroalkyl or fluoroalkoxy group. The fluoroolefins may be oxidized to manufacture fluorinated carboxylic acids. Also disclosed are fluoropolymers comprising copolymerized units of the fluoroolefins of the... Agent: Dupont Performance Elastomers L.L.C.

20090124775 - Vinylpyrrolidone polymer solution, process for producing the same, and method of handling vinylpyrrolidone polymer: To provide a high concentration solution of a vinylpyrrolidone polymer having a low K value, which can be used in various applications such as medical applications and applications where coloring is problematic. A monomer component essentially containing N-vinylpyrrolidone, hydrogen peroxide, and ammonia are sequentially added to a copper catalyst-containing aqueous... Agent: Connolly Bove Lodge & Hutz LLP

20090124776 - Cycloaliphatic epoxy (meth)acrylates, preparation processes thereof, and copolymers: There is also provided a copolymer including a monomeric unit (A) containing an alkali-soluble group, and a monomeric unit (B) corresponding to an epoxy-containing polymerizable unsaturated compound, or a copolymer including, in addition to the monomeric units (A) and (B), a monomeric unit (C) corresponding to an epoxy-free polymerizable unsaturated... Agent: Birch Stewart Kolasch & Birch

20090124777 - Compositions for delivering nucleic acids to cells: Cyclic amidinium containing compounds and their methods of preparation are described. Compositions containing these compounds facilitate delivery of biologically active polymers to cells in vitro and in vivo.... Agent: Roche Madison Inc.

20090124778 - Process for producing coagulated latex particles: An object of the present invention is to provide a new granulating process which can recover desired coagulated latex particles with a significantly excellent yield, and can suppress secondary coagulation under the condition having a higher temperature than a softening point of a polymer, without deteriorating the original quality of... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090124779 - Polymer treatment: wherein substantially all of the heating of the particles which occurs in the purge vessel is accomplished by preheating the gas fed into the purge vessel, and the polymer slurry discharged from the polymerisation reactor is submitted to a pressure release such that diluent is evaporated and a polyolefin/gas mixture... Agent: Nixon & Vanderhye, PC

20090118443 - Gas phase polymerization and distributor plate passivation treatment: Apparatus and methods for gas phase polymerization are provided. The method can include polymerizing one or more olefins at gas phase conditions in a reactor comprising one or more process exposed surfaces in the presence of a catalyst system; and treating at least a portion of the one or more... Agent: Exxonmobil Chemical Company

20090118444 - Process for the polymerisation of vinyl-containing monomers: The invention relates to a process for the polymerisation of monomeric vinyl halides in a polymerisation reactor, especially using a reflux condenser, and also to a polymerisation reactor for carrying out the process according to the invention. As a result, the space-time yield (STY) of an exothermal reaction can be... Agent: Edwards Angell Palmer & Dodge LLP

20090118445 - Hybrid catalyst systems supported on magnesium halide: The present invention relates to a catalyst system comprising at least two different transition metal coordination compounds supported on an adduct containing magnesium halide and an organoaluminum compound and it relates to a polymerisation process in the presence of said catalyst system.... Agent: Lyondellbasell Industries

20090118446 - Components and catalysts for the polymerization of olefins: The present invention relates to a solid catalyst component for the polymerization of olefins CH2═CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from γ-butyrolactone derivatives of a particular formula. Said catalyst components, when used in... Agent: Basell Usa Inc.

20090118447 - Impact copolymer in single reactor: This invention relates to the field of impact copolymers and their preparation in a single reactor.... Agent: Fina Technology Inc

20090118448 - Method of producing polymer using iron complex as catalyst: The object of the present invention is to provide a method of producing a polymer wherein radical-polymerizable monomers can be polymerized in a quantitative manner in a relatively short time, and a polymer or a block copolymer having at its termini a functional group that can be chemically converted while... Agent: Darby & Darby P.C.

20090118449 - Process for the preparation of ethylene copolymers: e

20090118450 - Method of taking (meth)acrylic ester polymer out of liquid reaction mixture: Means for Solving the Problems: The present invention provides a method of obtaining a (meth)acrylate-based polymer by adding an acid to a reaction solution containing the (meth)acrylate-based polymer obtained by polymerizing a (meth)acrylate-based monomer in a water-insoluble organic solvent in the presence of a metal compound such as a metal-containing... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090118451 - Polypropylene random copolymers having high melt flow rates for injection molding and melt blown applications: a