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Synthetic resins or natural rubbers -- part of the class 520 series June invention type 06/09

20090163678 - Bulk homogeneous polymerization process for ethylene propylene copolymers: Provided are bulk homogeneous polymerization processes for producing ethylene propylene random copolymers. The process includes contacting in a reactor or in a series of reactors propylene monomer, ethylene comonomer with one or more catalyst systems and optional solvent (present at less than 40 wt %), wherein the reactor train is... Agent: Exxonmobil Research And Engineering Company

20090163677 - Loop type reactor for polymerization: A process which comprises polymerising an olefin monomer in at least one continuous tubular loop reactor of a multiple reactor system, optionally together with an olefin comonomer, in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and diluent, wherein the... Agent: Nixon & Vanderhye, PC

20090163679 - Suspension polymerization process for manufacturing ultra high molecular weight polyethylene, a multimodal ultra high molecular weight polyethylene homopolymeric or copolymeric composition, a ultra high molecular weight polyethylene, and their uses: The present invention relates to a suspension polymerization process for the production of ultra high molecular weight polyethylene, wherein the operation is carried out in at least two reactors of the CSTR type (continuous stirring tank reactor), in a serial configuration, wherein the first reactor is fed with solvent, monomer... Agent: Birch Stewart Kolasch & Birch

20090163680 - Ziegler-natta catalyst for particle size control: Catalyst components, methods of forming catalyst compositions, polymerization processes utilizing the catalyst compositions and polymers formed thereby are described herein. The methods generally include providing a magnesium dialkoxide compound, contacting the magnesium dialkoxide compound with a first agent to form a solution of a reaction product “A1”, contacting the solution... Agent: Fina Technology Inc

20090163681 - Fast activating catalyst: A method of preparing a catalyst comprising aging a silica support in an alkaline solution to produce an alkaline aged silica support, removing at least a portion of the alkaline solution from the alkaline aged silica support to produce a dried silica support, and activating the silica support to produce... Agent: Chevron Phillips Chemical Company

20090163682 - Process of preparation of catalytic support and supported metallocene catalysts for production of homopolymers and copolymers of ethylene with alfa-olefins, of high and ultra high molecular weight and with broad molecular weight distribution in slurry, bu: The present invention relates a process for the preparation of catalytic support and the supported metallocene catalysts used in the production of ethylene homopolymers and ethylene copolymers with α-olefins, of high and ultra high molecular weight with broad molecular weight distribution, in gas or liquid phase polymerization processes, the latter... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090163683 - Photopolymerizable monomers having epoxide and unsaturated double bonds and their composition: Provided are a novel photopolymerizable monomer having at least one unsaturated double bond and epoxide, and a photocurable composition comprising the photopolymerizable monomer and an initiator, which is polymerizable with good efficiency using light and/or heat, provides reduced shrinkage, and has superior mechanical strength including adhesion and transparency.... Agent: Frommer Lawrence & Haug LLP

20090163684 - Method for purifying polar vinyl compounds: Method of purifying an open-chain N-vinyl compound by crystallization in a crystallizer, the crystallization being carried out from a melt of a mixture comprising open-chain N-vinyl compound at a pressure of 10−3 to 400 bar.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090163685 - Method for producing photocurable liquid resin and photocurable liquid resin produced by such method: A method for producing a photocurable liquid resin which comprises (A) a step of producing a conjugated diene-based polymer or a conjugated diene/aromatic vinyl-based copolymer, which has a weight-average molecular weight of 5,000 to 40,000 and a molecular weight distribution of 3.0 or smaller, by polymerizing a conjugated diene-based monomer... Agent: Sughrue Mion, PLLC

20090163686 - Method of making an intrinsic polarizer: An integrated wet stretch method of making an intrinsic polarizer includes the following steps in order: providing a polymeric film comprising poly(vinyl alcohol) and having an original length; immersing the polymeric film in a first bath comprising a first solution having a pH of less than about 3; uniaxially stretching... Agent: Oliff & Berridge, PLC

20090163687 - Process for preparing 3-methylbut-1-ene: The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090163688 - Fluorenyl catalyst compositions and olefin polymerization process: wherein M comprises a metal, Q comprises a halogen, an alkyl group or an aryl group or combinations thereof, Cp comprises a cyclopentadienyl group, Fl comprises a fluorenyl group, B is a bridging group that may be characterized by the general formula —YRH wherein Y comprises C or Si and... Agent: Fina Technology Inc

20090156758 - Gas-phase process for the poymerization of olefins: A process for the gas-phase polymerization of one or more alpha-olefins in the presence of a polymerization catalyst system, the process comprising: a) contacting in a continuous way a gas comprising one or more of said alpha-olefins with said catalyst system in a gas-phase tubular reactor at a temperature from... Agent: Basell Usa Inc.

20090156759 - Industrial process for production of high-quality aromatic polycarbonate: It is an object of the present invention to provide a specific process that enables a high-quality high-performance aromatic polycarbonate having excellent mechanical properties and no discoloration to be produced industrially in a large amount (e.g. not less than 1 ton/hr) stably for a prolonged period of time (e.g. not... Agent: Birch Stewart Kolasch & Birch

20090156760 - Transforming process: A method of preparing a thermoformed article which is relatively isotropic in terms of shrinkage of the final thermoformed article along the sheet extrusion flow path (the longitudinal direction) and the transverse direction. The article is prepared from an isotactic polypropylene produced by the polymerization of propylene with an isospecific... Agent: Fina Technology Inc

20090156761 - Fluorinated transition metal catalysts and formation thereof: Supported catalyst systems and methods of forming the same are described herein. In one specific embodiment, the methods generally include providing an inorganic support material and contacting the inorganic support material with an aluminum fluoride compound represented by the formula AlFpX3-pBq to form an aluminum fluoride impregnated support, wherein X... Agent: Fina Technology Inc

20090156762 - Methods of preparing a polymerization catalyst: A method comprising contacting a support with one or more chromium-containing compounds and one or more boria precursors to provide a catalyst precursor, and activating the catalyst precursor to provide a polymerization catalyst.... Agent: Chevron Phillips Chemical Company

20090156763 - Process for manufacturing a thermoplastic elastomeric material: A process for manufacturing a thermoplastic elastomeric material includes at least one elastomeric phase and at least one thermoplastic phase by the following steps: surface-treating a vulcanized rubber in a subdivided form with an effective amount of at least one organometallic polymerization catalyst; and polymerizing at least one ethylenically unsaturated... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090156764 - Ethylene-based polymers and articles made therefrom: Provided are ethylene-based polymer compositions, articles made therefrom, and methods of making the same. Ethylene-based polymer compositions include linear low density polyethylene prepared with metallocene catalyst, which may optionally have about 5 mole percent or less of monomer units derived from an alpha-olefin comonomer. Ethylene-based polymer compositions include blends of... Agent: Exxonmobil Chemical Company

20090156765 - Composition, article, and associated method: A composition includes a coupling agent composition and a polymer precursor. The coupling agent includes a first cycloolefin substituted with at least one anhydride group and the coupling agent is capable of bonding to a filler having a corresponding binding site. The polymer precursor includes a second cycloolefin. An associated... Agent: General Electric Company Global Research

20090156767 - Substituted pyridine ligands and related water-soluble catalysts: Versatile Group VIII metathesis catalysts, as can be used in a range of polymerization reactions and other chemical methodologies.... Agent: Reinhart Boerner Van Deuren S.c. Attn: Linda Kasulke, Docket Coordinator

20090156766 - Sulfur chelated ruthenium compounds useful as olefin metathesis catalysts: Sulfur chelated ruthenium compounds and methods and compositions involving the same. A method may relate to subjecting an olefin to a metathesis reaction in the presence of a sulfur chelated ruthenium compound. A composition may relate to an olefin starting material dissolved in an organic solvent together with a sulfur... Agent: Nixon & Vanderhye, PC

20090156768 - Transition metal compound, ligand system, catalyst system and process for preparing polyolefins: The present invention relates to transition metal compounds of the formula (I); where M is an element of group 3, 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table of the Elements or the lanthanide's, the radicals X are identical or different and are each an organic... Agent: Lyondellbasell Industries

20090156769 - Functionalized monomers and functionalized rubbery polymers made therewith: wherein R1 and R2 are independently selected from a group consisting of alkyls, cycloalkyls, alkenyls, cycloalkenyls, aryls, phenyls, heterocycles, acyls, and silanes, or R1 in combination with R2 forms a heterocyclic ring; n is an integer from 1 to 20; X is selected from a group consisting of sulfur, a... Agent: Wood, Herron & Evans, LLP

20090156770 - Retardation film and liquid crystal display device using the same: A retardation film, formed by stretching a film including a norbornene-based, ring-opening polymer containing a structural unit (A) represented by a formula (1), has high transparency, excellent wavelength dispersion characteristics in a single layer, is capable of providing specific retardation to broadband light, is extremely adhesive to other materials, is... Agent: Fitch, Even, Tabin & Flannery

20090156771 - Amine-containing compounds for enhancing the activity of atrp catalysts and removal of the terminal halogen groups from the atrp polymer products: Disclosed are new, highly active and versatile atom transfer radical polymerization (ATRP) catalysts. These catalysts catalyze ATRP for acrylates, methacrylates, and styrenes at surprisingly low concentrations. These catalysts mediated ATRP at a catalyst/initiator molar ratio at 0.005 and produced polymers with well-controlled molecular weights and low polydispersities. ATRP occurred even... Agent: Davis, Brown, Koehn, Shors & Roberts, P.C. The Davis Brown Tower

20090156772 - Melt processed materials for medical articles: In accordance with an aspect of the invention, methods of forming medical articles are provided, which comprise (a) preparing a melt phase that comprises a molten polymer and a supercritical fluid, (b) forming a polymeric region from the melt phase, and (c) cooling the polymeric region. In certain embodiments, the... Agent: Mayer & Williams PC

20090156773 - Modified resins for blown film: Processes for enhancing blown film processability and the blown films formed thereby are described herein. One embodiment of the processes generally includes providing a first propylene based heterophasic copolymer having a first melt flow rate, modifying the first propylene based heterophasic copolymer to form a second heterophasic polymer having a... Agent: Fina Technology Inc

20090149610 - Olefin polymerization reactor, polyolefin production system, and polyolefin production process: An olefin polymerization reactor of the present invention includes a cylinder which extends vertically, and a decreasing diameter member which is formed on the cylinder, has an inside diameter that decreases progressively downward and has a gas inlet orifice at a bottom end thereof. A spouted bed is formed inside... Agent: Birch Stewart Kolasch & Birch

20090149611 - Powder transfer device and polyolefin production process: The present invention provides a powder transfer device that has a simple construction, yet enables the powder discharge rate to be easily controlled, as well as a polyolefin powder production process using such a powder transfer device. A powder transfer device includes a downcomer which extends downward, and a gas... Agent: Birch Stewart Kolasch & Birch

20090149612 - Biaxially oriented polypropylene film: The present technology relates to a biaxially oriented polypropylene film. The biaxially oriented polypropylene film comprises a polypropylene material having xylene solubles of at least 0.5 percent by weight. The polypropylene also has a strain hardening index of at least 0.15 measured at a deformation rate dε/dt of 1.00 s−1... Agent: Mcandrews Held & Malloy, Ltd

20090149613 - Crystallizable propylene copolymers: A propylene copolymer is described comprising at least 70 mol % of units derived from propylene, up to 30 mol % of units derived from a combination of ethylene, at least one alpha-olefin having from 4 to 10 carbon atoms, such that the molar ratio of ethylene-derived units to said... Agent: Exxonmobil Chemical Company

20090149614 - Cable layer on polypropylene basis with high electrical breakdown strength: Certain embodiments of the present technology provide a cable layer comprising a polypropylene material, where the cable layer and/or the polypropylene material comprise a crystalline fraction that crystallizes in a temperature range of 200 to 105° C., determined by stepwise isothermal segregation technique. The crystalline fraction comprises a part which... Agent: Mcandrews Held & Malloy, Ltd

20090149615 - Alcohol-soluble resin and a method for preparing the same: An alcohol-soluble resin and a method for preparing the same, in which the content of vinyl acetate monomer in polymeric raw material is 50% to 90%. In addition, acrylic ester monomer and other reactive functional group-containing compounds have been mixed in the raw material to ensure the performance of resin... Agent: Greer, Burns & Crain

20090149616 - Fluorinated surfactants:

20090149617 - Shape memory polymer materials with controlled toughness and methods of formulating same: The disclosure relates to shape memory polymer (SMP) networks formed using acrylate-based monomers. As disclosed herein, proportional dependence between toughness and C∞ value may be broken in acrylate-based shape memory polymers comprising mono-functional acrylates which are controllably crosslinked using a crosslinker such as poly(ethylene glycol) di-methacrylate (PEGDMA) with an average... Agent: Greenberg Traurig, LLP

20090149618 - Crosslinkable polymer host containing a nonlinear optical chromophore guest: Crosslinked films having electro-optic activity, methods for making the films, and devices that include the films. The films include a crosslinked polymer host and guest polarizable chromophore compounds.... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20090149619 - Process for the purification from heavy metals of vinyl chloride polymers: Process for the purification of a vinyl chloride polymer (PVC) comprising at least one compound of a heavy metal, according to which: (a) the PVC is dissolved in a water-miscible polar organic solvent; (b) an aqueous solution comprising a reagent, which is either a base capable of reacting with the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090149620 - Spouted bed device and polyolefin production process using the same: A spouted bed device of the present invention includes a cylinder which extends vertically; a closing plate which closes a top end of the cylinder; a decreasing diameter member which is formed at a bottom end of the cylinder, has an inside diameter that decreases progressively downward, and has a... Agent: Birch Stewart Kolasch & Birch

20090143546 - Double loop technology: A method for controlling the injection of catalyst slurry in a polymerization reactor is described herein. The method includes the preparation of polyethylene with a solid catalyst and a hydrocarbon diluents. The method includes providing solid catalyst and a hydrocarbon diluent in one or more storage vessels such that a... Agent: T.r. Krueger, P.C.

20090143547 - Method for producing a functional vinyl halide polymer: This invention offers a functional vinyl halide polymer that has excellent processing properties for the end-user processing without any extra processing aid. This functional vinyl halide polymer has good fusion, lubrication and melting strength in processing. The finished products show a good characterization of high transparence, low air-mark and low... Agent: Sinorica, LLC

20090143548 - Method for producing polybutadiene: A method for producing a polybutadiene, which comprises subjecting 1,3-butadiene to cis-1,4 polymerization, and subsequently subjecting a resultant in the resulting polymerization system to syndiotactic-1,2 polymerization, the method being characterized in that there is added, after the polymerization, a halogen acid or halogen acid salt.... Agent: Edwards Angell Palmer & Dodge LLP

20090143549 - Catalyst components for the polymerization of olefins: The present invention relates to catalysts component for the polymerization of ethylene and its mixtures with olefins CH2═CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising Ti, Mg, halogen, and 1,2-dimethoxyethane as internal electron donor compound. The catalyst of the invention is suitably used... Agent: Basell Usa Inc.

20090143550 - Copolymers of vinyl-and allylsilanes: Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to silicon which are hydrolyzable. The polymers are useful for wire coating, crosslinked foams, pipes, and... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20090143551 - Nickel-based catalysts for preparing high cis 1,4-polydienes: A nickel-carbene polymerization catalyst system for preparing high cis polydienes is provided. The catalyst system comprises (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol. Also provided is a process for producing a polydiene comprising reacting a conjugated diene in... Agent: Bridgestone Americas, Inc.

20090143552 - Method of polymerization of olefin/alpha-olefin using aryloxy-based olefin- (co)polymerization catalyst: The present invention provides a method of polymerization of olefin or copolymerization of olefin/alpha-olefin using transition metal compound with an oxidation number of 3 as a catalyst and organo-aluminum compound as a co-catalyst, wherein the transition metal compound with an oxidation number of 3 is produced by reacting organo-magnesium compound... Agent: Barlow, Josephs & Holmes, Ltd.

20090143553 - Tulipalin copolymers: Copolymers are disclosed comprising structural units derived from α-methylene-γ-butyrolactone, styrene, methyl methacrylate and acrylonitrile. The copolymers may be used as protective layers in multilayer articles that include UV sensitive substrate materials. The multilayer articles may also include a silicone hardcoat.... Agent: Sabic- Esr Sabic Innovative Plastics -IPLegal

20090143554 - Polysiloxanes grafted with radically curable and/or moisture curable groups: This application relates to polysiloxane compositions grafted with improved heat curable, moisture curable, or heat/moisture curable groups. In particular, the polysiloxane compositions have reactive groups on the terminal or pendent areas of the siloxane backbone, which once reacted provide improved heat and/or moisture curable polysiloxanes.... Agent: Loctite Corporation

20090143555 - Copolymers comprising trimethylene carbonate and poly(trimethylene ether) glycols: The present invention relates to novel copolymers comprising unsubstituted or R-substituted trimethylene carbonate and poly(trimethylene ether)glycol. The copolymers find use in areas including personal care, coatings and lubricants.... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center