Synthetic resins or natural rubbers -- part of the class 520 series inventions 04/09

20090111954 - Polymer producing method and apparatus and polymer degassing method and apparatus: The polymer degassing apparatus includes a barrel-shaped horizontal container 41 having a supply port 42 for supplying a reactant, a discharge port 43 for discharging a reactant, a stirring means 45 for stirring a reactant, and a degassing means for drawing a gas via a degassing port 44 of the... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090111955 - Fluorinated impregnated catalyst systems and methods of forming the same: Methods of forming supported catalyst systems, supported catalyst systems and polymerization processes utilizing the supported catalyst systems are described herein. The methods generally include providing an inorganic support material and contacting the inorganic support material with a support solvent to form a support solution. The methods further include contacting the... Agent: Fina Technology Inc

20090111956 - Hafnium complexes of heterocyclic organic ligands: Hafnium complexes of heterocyclic organic ligands containing internal orthometallation and their use as components of olefin polymerization catalysts, especially for gas-phase olefin polymerizations, are disclosed.... Agent: The Dow Chemical Company

20090111957 - Fluoro-ponytailed bipyridine derivatives and their use as ligands in the metal-catalyzed atrp: and each Rf is the same or different and represents a fluoro-alkyl group having from 3 to 11 carbon atoms, preferably a perfluoro-alkyl group having from 9 to 11 carbon atoms; X− represents a halogenide such as fluoride, bromide, chloride, or iodide; and M represents a metal selected from the... Agent: Wpat, PC

20090111958 - Single catalyst systems having a scorpion-like structure: The present invention discloses single site catalyst systems having scorpion-like three dimensional structure that are suitable for oligomerising or polymerising ethylene and alpha-olefins.... Agent: Fina Technology Inc

20090111959 - High silica ddr-type molecular sieve, its synthesis and use: wherein X is a trivalent element, Y is a tetravalent element and n is from 0 to less than 0.01 and wherein the crystals of said material have an average diameter less than or equal to 2 microns. The material is synthesized in the presence of an N-ethyltropanium compound as... Agent: Exxonmobil Chemical Company

20090111960 - Dehydrofluorination and surface modification of fluoropoymers for drug delivery applications: Fluoropolymers having a —CF adjacent to a —CH which are subsequently dehydrofluorinated to create a —C═C— can be used as controlled release carriers for therapeutic agent(s) by covalently conjugating the therapeutic agent(s) to the fluoropolymer at the —C═C—.... Agent: Vidas, Arrett & Steinkraus, P.A.

20090111961 - Acrylic acid-based polymer and method of producing the same: (wherein R1 represents a hydrogen atom or a lower alkyl group, and R2 represents an organic group having a polar group) in an arm portion; an acrylic acid-based polymer containing a repeating unit derived from an poly(α-lower alkyl)acrylic ester and a repeating unit derived from an (α-lower alkyl)acrylic ester represented... Agent: Kenyon & Kenyon LLP

20090105428 - Antistatic for olefin polymerization and process for preparing it: Process for preparing an antistatic for olefin polymerization by contacting an antistatically acting compound comprising at least one hydrogen atom bound to a nonmetallic heteroatom with at least one metal alkyl in an amount which is sufficient to react completely with the at least one hydrogen atom bound to a... Agent: Lyondellbasell Industries

20090105429 - Process for the preparation of an olefin: Process for the preparation of an olefin comprising reacting an oxygenate feed and an olefinic co-feed in a reactor in the presence of a zeolite to obtain a reaction product containing one or more olefins; wherein the olefinic co-feed is at least partially obtained ex-situ during a first phase and... Agent: Shell Oil Company

20090105430 - Use of alkali metal-silica gel (m-sg) materials in solvent and monomer drying and purification for their use in anionic polymerization: Stage I Group 1 metal/porous metal oxide compositions or Stage II Group 1 metal/porous metal oxide compositions are shown to be useful to remove impurities and act as drying agents for various types of solvents and for olefinic monomers used in anionic polymerizations. One important advantage of these compositions is... Agent: Nixon Peabody, LLP

20090105431 - Process for preparation of pastable polymers: The present invention relates to a single-stage batch process for preparation of pastable polymers, in particular of vinyl chloride homo- and copolymers, by the microsuspension process, where these in a blend with plasticizers give PVC pastes, also termed plastisols, with very low viscosities and with very low emulsifier contents.... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090105432 - Method for polymerising ethylenically unsaturated polyisobutene: The invention relates to a method for polymerising ethylenically unsaturated monomers, wherein ethylenically unsaturated monomers are polymerised in the presence of a solvent-stable transition metal complex having slightly co-ordinating anions as polymer catalysts. The invention also relates to specific solvent-stable transition metal complexes having slightly co-ordinating anions. The invention also... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090105433 - Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins: Embodiments of the invention generally include multi-component catalyst systems, polymerization processes and heterophasic copolymers formed by the processes. The multi-component catalyst system generally includes a first catalyst component selected from Ziegler-Natta catalyst systems including a diether internal electron donor and a metallocene catalyst represented by the general formula XCpACpBMAn, wherein... Agent: Fina Technology Inc

20090105434 - Process for the preparation of propylene: Process for the preparation of propylene, wherein a diluted olefinic hydrocarbon feed, comprising in the range of 1 to 99 vol % of olefinic hydrocarbon feed and 1-99 vol % of one or more diluents, is contacted with a solid zeolite catalyst at a Gas Hourly Space Velocity, as measured... Agent: Shell Oil Company

20090105435 - Difunctional oligomers of perfluoro(methyl vinyl ether): Oligomers of perfluoro(methyl vinyl ether) with vinylidene fluoride or tetrafluoroethylene are disclosed that contain 40-90 mole percent copolymerized units of vinylidene fluoride or tetrafluoroethylene and 10-60 mole percent copolymerized units of perfluoro(methyl vinyl ether), said oligomers having two functional endgroups and having a number average molecular weight between 1000 and... Agent: Dupont Performance Elastomers L.L.C.

20090105436 - Radically coupled ptfe polymer compounds and method for the production thereof: Radically coupled PTFE polymer compounds useful, for example, as tribo materials, and a method for the production thereof. Radically coupled PTFE polymer compounds are provided which exhibit improved wear resistances with comparable gliding properties, and furthermore there is provided a simple and efficient method for the production of such compounds.... Agent: Greenblum & Bernstein, P.L.C

20090105437 - High refractive index pressure-sensitive adhesives: The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.... Agent: 3m Innovative Properties Company

20090105438 - Polycarbonate resins method of manufacture, and articles formed therefrom: wherein R1 is a C1-C40 hydrocarbon that can be unsubstituted or substituted with a halogen, olefin, ether, ketone, or C4-C30 polyoxyalkylene functionality in which the alkylene groups contain 2 to 6 carbon atoms, R2 to R4 are each independently a hydrogen or a C1-C40 hydrocarbon that can be unsubstituted or... Agent: Cantor Colburn LLP - Sabic (lexan/cycoloy)

20090105439 - Sequentially cross-linked polyethylene: A method of producing an improved polyethylene, especially an ultra-high molecular weight polyethylene utilizes a sequential irradiation and annealing process to form a highly cross-linked polyethylene material. The use of sequential irradiation followed by sequential annealing after each irradiation allows each dose of irradiation in the series of doses to... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090099323 - Melamine-formaldehyde resin solution and process for producing the same: A melamine-formaldehyde resin solution having a formaldehyde/melamine ratio smaller than or equal to 1.5, at which it possesses a water compatibility ranging from 0.15 to 4.0 at 20° C., and a stability of at least 5 hours at a F/M ratio of 1.0, a stability of at least 6 hours... Agent: The Webb Law Firm, P.C.

20090099324 - Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom: A MgCl2.mEtOH.nH2O adducts, where 3.4<m≦4.4, 0≦n≦0.7, characterized by an X-ray diffraction spectrum, taken under the condition set forth above, in which, in the range of 2θ diffraction angles between 5° and 10°, at least two diffraction lines are present at diffraction angles 2θ of 9.3±0.2°, and 9.9±0.2°, the most intense... Agent: Basell Usa Inc.

20090099325 - Polymers functionalized with heterocyclic nitrile compounds: A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound.... Agent: Bridgestone Americas Holding, Inc.

20090099326 - Fluorine-containing adamantane derivative, fluorine-containing adamantane derivative having polymerizable group, resin composition containing the same, and antireflection film: Specifically provided are a fluorine-containing adamantane derivative represented by the general formula (I) below, a polymerizable group-containing and fluorine-containing adamantane derivative represented by the general formula (II) below, and a resin composition containing such a polymerizable group-containing and fluorine-containing adamantane derivative. In the formula, R1 and R2 are each a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090093600 - Methods for making polyester resins in falling film melt polycondensation reactors: The present invention relates to methods for forming polyester resins in one or more falling film reactors.... Agent: Summa, Additon & Ashe, P.A.

20090093601 - Photochromic compounds comprising polymeric substituents and methods for preparation and use thereof: The present invention relates to a compound comprising a photochromic moiety and at least one substituent comprising a polymer chain having a carbon backbone and a plurality of functional moieties appended to the carbon backbone.... Agent: Nixon Peabody LLP - Patent Group

20090093602 - Expandable tfe copolymers, method of making, and porous, expended articles thereof: A process for the polymerization of a true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent,... Agent: E. Alan Uebler, Esq. E. Alan Uebler, P.A.

20090093603 - Ophthalmic and otorhinolaryngological device materials: Disclosed are soft, high refractive index, acrylic device materials. The materials comprise di-block or tri-block macromers containing a hydrophilic block in the polymer backbone. The materials have improved glistening resistance.... Agent: Alcon

20090093604 - Ophthalmic and otorhinolaryngological device materials: Disclosed are soft, high refractive index, acrylic device materials. The materials contain a hydrophilic side-chain macromer for glistening resistance.... Agent: Alcon

20090088541 - Aluminoxane compositions, their preparation, and their use in catalysis: Aluminoxane compositions derived from aluminoxane source, halogen source, and Lewis base are provided. Such compositions are useful for activating catalysts for olefin polymerization.... Agent: Albemarle Corporation Patent Department

20090088542 - Olefin polymerization catalysts, their synthesis and use: A catalyst system for the polymerization or copolymerization of α-olefins comprises a bis(imino)pyridyl complex of a transition metal on a support having an aluminum halide and/or an alkylaluminum halide chemically or physically bonded thereto.... Agent: Exxonmobil Chemical Company

20090088543 - Polymerization catalysts for producing polymers with low melt elasticity: The present techniques relate to catalyst compositions, methods, and polymers encompassing a Group 4 metallocene compound comprising bridging η5-cyclopentadienyl-type ligands, typically in combination with a cocatalyst, and a activator. The compositions and methods presented herein include ethylene polymers with low melt elasticity.... Agent: Fletcher Yoder (chevron Phillips)

20090088544 - Ophthalmic and otorhinolaryngological device materials containing an alkyl ethoxylate: Disclosed are soft, high refractive index, acrylic device materials. The materials contain a functionalized alkyl ethoxylate to reduce glistenings.... Agent: Alcon

20090088545 - Polymerziable liquid crystal compound, polymerziable liquid crystal composition comprising the same, and polymer produced using them: This invention provides a polymerizable liquid crystal compound having an α-methylene-γ-butyrolactone site (for example, a polymerizable liquid crystal compound represented by formula (Z2)) useful as a material for optically anisotropic films such as optical compensation films and multidomain films, for example, in polarizing plates and phase difference plates for use... Agent: Birch Stewart Kolasch & Birch