Synthetic resins or natural rubbers -- part of the class 520 series inventions 10/08

20080262171 - Slurry phase polymerisation process: A process comprising polymerising an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent in a loop reactor which comprises at least 2 horizontal sections and at least 2 vertical sections to produce a slurry comprising solid particulate olefin polymer and... Agent: Nixon & Vanderhye, PC

20080262172 - Efficient biomolecule recycling method and system: A technique is disclosed for recapturing and recycling biomolecule reagents. The technique may be applied in a range of settings, including biopolymer synthesis, sequencing, and so forth. Biomolecule reagents such as nucleotides and oligonucleotides used to process nucleic acids, which may be marked with fluorescent tags, carry blocking agents, and... Agent: Fletcher Yoder Patrick S. Yoder

20080262173 - apparatus and method for the production of polyethylene and ethylene copolymers: The invention relates to an apparatus for the high pressure polymerisation of ethylene which comprises a high pressure reactor; a conduit for the supply of ethylene to the reactor, the conduit being provided with a preheater for heating the ethylene; a waste heat boiler for the production of medium pressure... Agent: Exxonmobil Chemical Company

20080262174 - Homogeneous catalyst system for producing ethylene homopolymer or ethylene copolymers with alpha-olefins: Disclosed is a homogeneous catalyst system for producing an ethylene homopolymer or an ethylene copolymer with α-olefin. Specifically, this invention pertains to a transition metal catalyst which has stability under high temperature solution polymerization at 120˜250° C., in which a cyclopentadiene derivative and an electron donating substituent, both of which... Agent: Darby & Darby P.C.

20080262175 - Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation: Copolymers, especially multi-block copolymer containing therein two or more segments or blocks, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C4-8 α-olefin in the presence of a composition comprising the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex... Agent: The Dow Chemical Company

20080262176 - Process for preparing (meth) acrylate-based aba triblock copolymers: The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with an olefinic functionalization of the A blocks.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080262177 - Process for producing fluoroelastomers: A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein the dispersing agent is a phosphate ester anionic surfactant of the formula [CH3—(CH2)n—O]x—PO(OM)(3-x) where n is an integer from 1 to 8, or mixtures thereof, x is 1 or 2 and M is a cation having a... Agent: Dupont Performance Elastomers L.L.C.

20080262178 - Spherical particles: n

20080262179 - Gas-barrier film, gas-barrier layered body, and process for producing same: The gas-barrier film of the present invention basically comprises a polymer of a polyvalent metal salt of an unsaturated carboxylic acid compound which gives an infrared absorption spectrum in which the ratio of the absorbance A0 at around 1,700 cm−1 attributable to V C═O of the carboxylic acid group to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080262180 - Separation of polymer slurries: Methods for producing elastomers or elastomeric compositions are provided. One or more C4 to C7 isoolefins and one or more comonomers can be polymerized in the presence of a diluent comprising one or more hydrofluorocarbons to provide a slurry comprising polymer product, unreacted monomer and the diluent. The slurry can... Agent: Exxonmobil Chemical Company Law Technology

20080262181 - Biocompatible material: wherein R1 is as defined above; and R6 is a monovalent organic group, in a weight ratio, i.e. amino acid-type betaine monomer/polymerizable monomer, of from 1/99 to 100/1. The biocompatible material can be suitably used, for example, in food, a food additive, a medicament, a quasi-drug, a medical device, cosmetics,... Agent: Birch Stewart Kolasch & Birch

20080262171 - Slurry phase polymerisation process: A process comprising polymerising an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent in a loop reactor which comprises at least 2 horizontal sections and at least 2 vertical sections to produce a slurry comprising solid particulate olefin polymer and... Agent: Nixon & Vanderhye, PC

20080262172 - Efficient biomolecule recycling method and system: A technique is disclosed for recapturing and recycling biomolecule reagents. The technique may be applied in a range of settings, including biopolymer synthesis, sequencing, and so forth. Biomolecule reagents such as nucleotides and oligonucleotides used to process nucleic acids, which may be marked with fluorescent tags, carry blocking agents, and... Agent: Fletcher Yoder Patrick S. Yoder

20080262173 - apparatus and method for the production of polyethylene and ethylene copolymers: The invention relates to an apparatus for the high pressure polymerisation of ethylene which comprises a high pressure reactor; a conduit for the supply of ethylene to the reactor, the conduit being provided with a preheater for heating the ethylene; a waste heat boiler for the production of medium pressure... Agent: Exxonmobil Chemical Company

20080262174 - Homogeneous catalyst system for producing ethylene homopolymer or ethylene copolymers with alpha-olefins: Disclosed is a homogeneous catalyst system for producing an ethylene homopolymer or an ethylene copolymer with α-olefin. Specifically, this invention pertains to a transition metal catalyst which has stability under high temperature solution polymerization at 120˜250° C., in which a cyclopentadiene derivative and an electron donating substituent, both of which... Agent: Darby & Darby P.C.

20080262175 - Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation: Copolymers, especially multi-block copolymer containing therein two or more segments or blocks, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C4-8 α-olefin in the presence of a composition comprising the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex... Agent: The Dow Chemical Company

20080262176 - Process for preparing (meth) acrylate-based aba triblock copolymers: The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with an olefinic functionalization of the A blocks.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080262177 - Process for producing fluoroelastomers: A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein the dispersing agent is a phosphate ester anionic surfactant of the formula [CH3—(CH2)n—O]x—PO(OM)(3-x) where n is an integer from 1 to 8, or mixtures thereof, x is 1 or 2 and M is a cation having a... Agent: Dupont Performance Elastomers L.L.C.

20080262178 - Spherical particles: n

20080262179 - Gas-barrier film, gas-barrier layered body, and process for producing same: The gas-barrier film of the present invention basically comprises a polymer of a polyvalent metal salt of an unsaturated carboxylic acid compound which gives an infrared absorption spectrum in which the ratio of the absorbance A0 at around 1,700 cm−1 attributable to V C═O of the carboxylic acid group to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080262180 - Separation of polymer slurries: Methods for producing elastomers or elastomeric compositions are provided. One or more C4 to C7 isoolefins and one or more comonomers can be polymerized in the presence of a diluent comprising one or more hydrofluorocarbons to provide a slurry comprising polymer product, unreacted monomer and the diluent. The slurry can... Agent: Exxonmobil Chemical Company Law Technology

20080262181 - Biocompatible material: wherein R1 is as defined above; and R6 is a monovalent organic group, in a weight ratio, i.e. amino acid-type betaine monomer/polymerizable monomer, of from 1/99 to 100/1. The biocompatible material can be suitably used, for example, in food, a food additive, a medicament, a quasi-drug, a medical device, cosmetics,... Agent: Birch Stewart Kolasch & Birch

20080255323 - Low gel chromium catalysis: The present invention discloses the use of a chromium-based catalyst system in two serially connected loop reactors for copolymerising ethylene and a comonomer, at reduced productivity, the final polyethylene having a reduced amount of gel.... Agent: Schultz & Associates, P.C. One Lincoln Centre

20080255324 - Method for stably producing an aromatic polycarbonate: A method for stably producing an aromatic polycarbonate, which comprises continuously reacting an aromatic dihydroxy compound with a diaryl carbonate in a closed, reactor-pipeline system, the closed, reactor-pipeline system comprising: a plurality of reactors which are liquid-tightly connected through a pipeline toward an outlet for a final aromatic polycarbonate product,... Agent: Birch Stewart Kolasch & Birch

20080255325 - Process for the continuous preparation and isolation of soluble preceramic oligomers and/or polymers: The invention relates to a method for continuously producing pre-ceramic polymers. The inventive method consists in synthesising polymers, in separating polymers from a reaction mixture and in thermally conditioning for defining a cross linkage degree and Theological properties, wherein all said steps are integrated into a single method. The thus... Agent: Sutherland Asbill & Brennan LLP

20080255326 - Process for preparing graft polymers: Processes for preparing graft polymers and their use for inhibiting gas hydrates... Agent: Connolly Bove Lodge & Hutz, LLP

20080255327 - Nickel-based catalyst composition: In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound,... Agent: Bridgestone Americas Holding, Inc.

20080255328 - Method for metathesis of compounds comprising an olefinic double bond, in particular olefins: The invention relates to a method for metathesis of one or several reagents comprising a linear or branched hydrocarbon chain containing a double olefinic bond Csp2═Csp2 consisting in reacting said reagent or reagents with a supported metal compound comprising an aluminium oxide-based support to which a tungsten hydride is grafted.... Agent: Stites & Harbison PLLC

20080255329 - High activity, low molecular weight olefin polymerization process: Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and low molecular weight, are disclosed.... Agent: The Dow Chemical Company

20080255330 - Organometallic-polyisomonoolefin block copolymers: o

20080255331 - Process for preparing fluorine-containing polymer: The present invention provides a process for preparing a fluorine-containing polymer having few branched chains and little weight change in high temperatures, which is a new process wherein composition distribution substantially does not occur. The fluorine-containing polymer is prepared by a batch copolymerization process conducted under conditions of reduced temperature... Agent: Sughrue Mion, PLLC

20080255332 - Method for enhancing adherence of carbon fibers with respect to an organic matrix: e

20080249261 - Method of preparing polymethylene-polyphenyl-polyamine: The present invention provides a method of preparing polymethylene-polyphenyl-polyamine (briefly referred to as polyamine, DAM), in which a high gravity rotating bed is used as the mixing reactor of formaldehyde and aniline hydrochloride, the mixing solution of aniline hydrochloride and circulation solution and the formaldehyde are fed into the high... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080249262 - Copolymers and films thereof: Copolymers of ethylene and alpha-olefins having (a) a density in the range 0.900-0.940 g/cm3, (b) a molecular weight distribution (Mw/Mn) in the range 3.5 to 4.5, (c) a melt elastic modulus G′ (G″=500 Pa) in the range 40 to 150 Pa and (d) an activation energy of flow (Ea) in... Agent: Nixon & Vanderhye, PC

20080249263 - Method for the preparation of olefin polymerisation catalyst: The invention is directed to a process for producing an olefin polymerization catalyst wherein a solution of a soluble magnesium complex containing an element of is Group 13 or 14 of the Periodic Table (IUPAC) is contacted with a halogen containing transition metal compound of Group 3 to 10 of... Agent: Fay Sharpe LLP

20080249264 - Method for producing highly reactive isobutylene homo-or copolymers from technical flows of c4-hydrocarbon using bronsted acid catalyst complexes: e

20080249265 - Method for triggering radical polymerization reactions: The invention relates to an initiator system for triggering a radical polymerization reaction of a preparation that contains monomers and/or oligomers having ethylenically unsaturated groups. The initiators used are open-chain and/or cyclic N,N-diacylhydroxylamines of the general formula R—CO—N(OH)—Co—R′. The invention also relates to a method for starting a radical polymerization... Agent: Patent Central LLC Stephan A. Pendorf

20080249266 - Polymerisation catalyst system based on monooxime ligands: The present invention discloses active oligomerisation and polymerisation catalyst systems based on dioxime ligands.... Agent: Fina Technology Inc

20080249267 - Method for producing highly reactive isobutylene homo-or copolymers using boron-containing catalyst complexes: e

20080249268 - Method for producing a polyisobutene: The invention relates to a process for preparing polyisobutene having a mean molecular weight Mn of from 400 to 50 000, in particular from 500 to 10 000, by polymerizing isobutene in the presence of a BF3-containing complex catalyst, wherein the polymerization is carried out at least temporarily in the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080249269 - Electret materials: The melt blends are subjected to an electret treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise... Agent: Patent Department Ciba Specialty Chemicals Corporation

20080249270 - Method for manufacturing monosulfonium salt, cationic polymerization initiator, curable composition, and cured product: A monosulfonium salt in which very little unreacted raw material remains, which has a purity of at least 96%, and which has one sulfonio group in its molecule is manufactured without a refining step. After (a) an aryl compound, (b) a sulfoxide compound, (c) a dehydrating agent, and (d) a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080249271 - Adhesive containing ladder-type polysilsesquioxane and adhesive sheet: wherein R1 represents a polymerizable functional group, and R2 represents the same group as R1, an alkyl group having 1 to 6 carbon atoms which may have a substituent, an alkoxy group having 1 to 6 carbon atoms which may have a substituent, or a phenyl group which may have... Agent: Birch Stewart Kolasch & Birch

20080249272 - Modification process for polymer surfaces, notably for hydroxylation of polymer surfaces and products so obtained: The present invention concerns the use of RO. radicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group —COR′ in which R′ represents an alkyl group having 2 to 15 carbons, or an aroyl group —COAr in which Ar represents an aromatic group having... Agent: Young & Thompson

20080249273 - Isotactic 1-butene copolymers: e

20080249274 - Polymerization catalyst system utilizing external donor systems and processes of forming polymers therewith: External donor systems, catalyst systems and olefin polymerization processes are described herein. The external donor systems generally include a first external donor represented by the general formula SiR2m(OR3)4-m, wherein each R2 is independently selected from alkyls, cycloalkyls, aryls and vinyls, each R3 is independently selected from alkyls and m is... Agent: Fina Technology Inc

20080242808 - Interconnected loop reactors: The present invention describes a reactor comprising two interconnected loops wherein the growing polymer flows continuously in circuit from the first loop to the second loop through a First pipe and back to the first loop through a second pipe. It also discloses process for polymerising olefins in two interconnected... Agent: Schultz & Associates, P.C. One Lincoln Centre

20080242809 - Process for the preparation of an ethylene copolymer in a tubular reactor: The polymerisation takes place in a tubular reactor at a peak temperature between 290° C. and 350° C., the co monomer is a di- or higher functional (meth)acrylate and the co monomer is applied in an amount between 0.008 mol % and 0.200 mol % relative to the amount of... Agent: Sabic Americas, Inc.

20080242810 - Use of a combination chain transfer and activating agent to control molecular weight and optical density of pd catalyzed norbornene polymers: A method of controlling the molecular weight of poly(cyclic) olefin (norbornene-type) polymers and activating the polymerization thereof with a single material is provided. Such method include adding a chain transfer/activating agent to a mixture of monomer(s), catalyst, solvent and an optional cocatalyst and polymerizing the mixture to form a polymer.... Agent: The Webb Law Firm, P.C.

20080242811 - Amino phosphine: A new P—N—P ligand in which each phosphorus atom is bonded to two ortho-fluorine substituted phenyl groups is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methalumoxane; the ligand of this invention may be used to prepare an oligomer product... Agent: Kenneth H. Johnson Patent Attorney

20080242812 - Cycloolefin copolymers, a process for their preparation and the use thereof and catalysts: Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry... Agent: Ferrells, PLLC

20080242813 - Hairy polymeric nanoparticles: This invention discloses a process for synthesizing a hairy polymer particle which comprises the steps of (1) polymerizing a vinyl aromatic monomer by emulsion polymerization in an aqueous medium to produce core particles, (2) recovering the core particles from the aqueous medium, (3) dispersing the core particles in an organic... Agent: Alvin T. Rockhill

20080242814 - Size selective catalysis with ion exchange resins: A method of preparing oligomeric compounds from polyfunctional reactants in the presence of heterogeneous catalysts that exhibit size selective characteristics, such that further reaction between first generation products or first generation products and reactants is less favored than between the starting reactants is disclosed. Preparation of oligomeric polyacrylate compounds in... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department

20080242815 - Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water absorbent resin: The invention provides a process which enables, in preparation of acrolein by catalytic gas-phase oxidation of propylene in the presence of molecular oxygen or a molecular oxygen-containing gas or in preparation of acrylic acid by catalytic gas-phase oxidation of acrolein in the presence of molecular oxygen or a molecular oxygen-containing... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080242817 - Dropping method for liquids: In a process for dropletizing a liquid by means of a dropletizer plate at least the underside of the dropletizer plate has at least in part a contact angle of at least 60° with regard to the liquid to be dropletized.... Agent: Marshall, Gerstein & Borun LLP

20080242816 - Neutralization process: The invention relates to a neutralization process in which at least one ethylenically unsaturated carboxylic acid is neutralized at least partly with a base and at least one stream of the neutralization is determined continuously, and also to an apparatus for carrying out the process.... Agent: Marshall, Gerstein & Borun LLP

20080242818 - Light filters comprising a naturally occurring chromophore and derivatives thereof: A composition comprising a polymer backbone and at least one side group, wherein the side group comprises a benzene ring-based chromophore comprising a ketone at the 1-position, a substituted or unsubstituted amino group at the 2-position, and an oxygen atom at the 3-position of the benzene ring. The chromophore is... Agent: Foley And Lardner LLP Suite 500

20080242819 - Blend of ionic (co)polymer resins and matrix (co)polymers: The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially... Agent: Arkema Inc. Patent Department - 26th Floor

20080242820 - Molecular imprinting of small particles, and production of small particles from solid state reactants: Small particles of polymeric material are produced by expansion of a mixture of monomers and a propellant. The size and shape of the particles can be precisely tailored by materials selection and expansion conditions. Particles of 10 nanometers to 100 microns can be produced. If monomers exhibiting solid state reactivity... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20080242821 - Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor: Embodiments of the present invention include a method of polymerizing olefins comprising contacting olefins with a catalyst composition made by the process of combining a hindered polyalicyclic alkyl catalyst precursor with a particulate inorganic oxide for a deposition time greater than 2 hours to form a catalyst composition. Embodiments of... Agent: Univation Technologies LLC