Oxygen Compound Contains An Ether Group Patents (Class 525/385)
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Patent number: 11760836Abstract: A coating created entirely from plant-derived ingredients is disclosed. Illustrative embodiments of the coating may be particularly well suited for use on leather-like materials created from epoxidized natural rubber-based formulations. Illustrative embodiments of the coating created may be comprised of substantially the reaction product between epoxidized vegetable oil and a polyfunctional naturally occurring acid (such as citric acid). Illustrative embodiments this reaction product may be used to produce porosity-free castable resins and vulcanize rubber formulations based on epoxidized natural rubber. Materials made from disclosed materials may be advantageously used as leather substitutes.Type: GrantFiled: January 21, 2021Date of Patent: September 19, 2023Assignee: Natural Fiber Welding, Inc.Inventors: Aaron Kenneth Amstutz, Luke Michael Haverhals, Albert C Pierz, Ian T Pierz, Nima Ezatollah Amini, Skylar Clement
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Patent number: 10882951Abstract: A thermoset material containing ?-hydroxyesters wherein said thermoset material is subject to a mechano-chemical process to regenerate an epoxide and a carboxylic acid functionality. A curative for epoxidized plant-based oils and epoxidized natural rubber is created from the reaction between a naturally occurring polyfunctional acid and an epoxidized plant-based oil is disclosed. The curative may be used to produce porosity-free castable resins and vulcanize rubber formulations based on epoxidized natural rubber. Materials made from disclosed materials may be advantageously used as leather substitutes.Type: GrantFiled: July 1, 2020Date of Patent: January 5, 2021Assignee: Natural Fiber Welding, Inc.Inventors: Aaron Kenneth Amstutz, Luke Michael Haverhals, Isaiah Amstutz, Skylar Clement
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Patent number: 9487594Abstract: Provided is a water-soluble nonionic cellulose ether excellent in storage stability. More specifically, provided is a method for producing a water-soluble nonionic cellulose ether including an etherification step of reacting an alkali cellulose with an etherifying agent to obtain a crude cellulose ether, a washing step of washing the crude cellulose ether to obtain a washed cellulose ether, a drying step of drying the washed cellulose ether, and a grinding step of grinding the cellulose ether during or after the drying, wherein during the washing step or in any of the steps after the washing step, a pH regulator is mixed so as to allow an aqueous 2% by weight solution of the cellulose ether as an end product to have a pH value of from 7.0 to 10.5.Type: GrantFiled: June 16, 2014Date of Patent: November 8, 2016Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Mitsuo Narita
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Patent number: 9410035Abstract: A heterophasic polymer composition comprises a propylene polymer phase, an ethylene polymer phase, and a compatibilizing agent. The compatibilizing agent comprises (i) an acyclic carbon-carbon double bond having a first carbon atom and a second carbon atom, (ii) an electron withdrawing group directly bonded to the first carbon atom in the acyclic carbon-carbon double bond, and (iii) a second carbon-carbon multiple bond in conjugation with the acyclic carbon-carbon double bond, wherein the second carbon-carbon multiple bond is linked to the acyclic carbon-carbon double bond through the second carbon atom.Type: GrantFiled: June 11, 2015Date of Patent: August 9, 2016Assignee: MILLIKEN & COMPANYInventors: Joseph J. Peterson, Daike Wang, Jason D. Sprinkle, Scott R. Trenor, Suchitra Datta, Sanjeev K. Dey, Eduardo Torres
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Patent number: 9018313Abstract: A method for forming a system including polymer-encapsulated nanoparticles includes forming an inverse mini-emulsion including a continuous phase of a non-aqueous medium and a discontinuous phase of at least: a plurality of nanoparticles having a polar surface, and at least one of i) a polar, water-soluble, or water-miscible monomer, or ii) a polar, water-soluble, or water-miscible pre-polymer. The method further includes initiating polymerization of the at least one of the monomer or the prepolymer to form a polymer coating on each of the plurality of nanoparticles in the non-aqueous medium.Type: GrantFiled: December 3, 2012Date of Patent: April 28, 2015Assignee: Hewlett-Packard Development Company, L.P.Inventors: Doris Pik-Yiu Chun, Hou T. Ng
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Publication number: 20150093575Abstract: The present invention further relates to a particulate superabsorbent polymer composition comprising a crosslinker composition that is the reaction product selected from (i) saturated amines and/or saturated polyamines with ethylenically unsaturated glycidyl compounds and/or ethylenically unsaturated polyglycidyl compounds, (ii) ethylenically unsaturated amines and/or ethylenically unsaturated polyamines with saturated glycidyl compounds and/or saturated polyglycidyl compounds, or (iii) ethylenically unsaturated amines and/or ethylenically unsaturated polyamines with ethylenically unsaturated glycidyl compounds and/or ethylenically unsaturated polyglycidyl compounds; and a surface crosslinking agent applied to the particle surface. The present invention further relates to an absorbent article that includes such particulate superabsorbent polymer compositions.Type: ApplicationFiled: December 30, 2011Publication date: April 2, 2015Applicant: Evonik CorporationInventors: Matthias Naumann, Stanley A. McIntosh, Frank Schubert, Christoph Loick
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Patent number: 8962768Abstract: Reaction products AE of vinyl copolymers A having at least one functional group per molecule, with multifunctional compounds E derived from epoxide functional compounds having, on average, at least two functional groups per molecule, which reaction products AE have structural elements derived from ethylenically unsaturated monomers, and beta-hydroxy alkylene imine, —NR—CH2—CR?(OH)—, or the corresponding ammonium structure, where R and R?, independently from each other, stand for H or an alkyl group having from 1 to 8 carbon atoms, a process for their preparation, and a method of use thereof as binders for waterborne coating compositions.Type: GrantFiled: February 19, 2011Date of Patent: February 24, 2015Assignee: Allnex Austria GmbHInventors: Johann Billiani, Roland Feola, Willi Paar
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Patent number: 8937134Abstract: Provided herein are vinyl ether end-functionalized polyolefins and methods for producing the same.Type: GrantFiled: November 8, 2013Date of Patent: January 20, 2015Assignee: The University of Southern MississippiInventors: Robson F. Storey, David L. Morgan
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Patent number: 8911516Abstract: A quaternized copolymer obtainable by: (A) copolymerization of straight-chain, branched or cyclic, ethylenically unsaturated C2 to C100 hydrocarbons, which may bear oxygen- or nitrogen-functional substituents which cannot be reacted with amines to give amides or imides or with alcohols to give esters, with ethylenically unsaturated C3- to C12-mono- or dicarboxylic acids or acid derivatives, which can be reacted with amines to give amides or imides or with alcohols to give esters, to give a copolymer with a number-average molecular weight of 500 to 20 000; (B) partial or full amidation or imidation or esterification of the carboxylic acid functions by reacting them with oligoamines having 2 to 6 nitrogen atoms or alcoholamines, each of which comprises primary or secondary nitrogen atom or a hydroxyl group and a quaternizable tertiary nitrogen atom; (C) partial or full quaternization of the tertiary nitrogen atom with a quaternizing agent.Type: GrantFiled: June 24, 2011Date of Patent: December 16, 2014Assignee: Basf SEInventors: Wolfgang Grabarse, Hannah Maria Koenig, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel, Harald Boehnke
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Patent number: 8889784Abstract: There is provided a stable aqueous dispersion comprising (a) dispersed particles of one or more film-forming polymer that comprises 1% to 10% by weight, based on the solid weight of said polymer, of polymerized units of one or more functional monomer, wherein said functional monomer is selected from acid-functional monomers or amine-functional monomers or a mixture thereof, and (b) one or more multiglycidyl compound having 4 or more glycidyl groups per molecule.Type: GrantFiled: December 3, 2010Date of Patent: November 18, 2014Assignee: Dow Global Technologies LLCInventors: Silvia I. Endres, Bernard Fouchet, Eva-Maria Michalski, Ursula Seiler
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Publication number: 20140316030Abstract: The invention relates to a manufacturing process for the preparation of ?,?-branched alkane carboxylic acids providing glycidyl esters with an improved softness or hardness of the coatings derived thereof. In which the mixture of neononanoic acid providing a high hardness is a mixture where the sum of the concentration of the blocked and of the highly branched isomers is at least 50%, preferably above 60% and most preferably above 75%. In which a mixture of neononanoic acids providing soft polymers is a mixture where the concentration of blocked and highly branched isomers is maximum 55%, preferably below 40% and most preferably below 30%.Type: ApplicationFiled: October 12, 2011Publication date: October 23, 2014Applicant: Momentive Specialty Chemicals Inc.Inventors: Cédric Le Fevere de Ten Hove, Denis Heymans, Christophe Steinbrecher, Aleksandra Kotlewska, Robert Van't Sand
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Publication number: 20140303317Abstract: The present invention provides aqueous compositions comprising ?-hydroxy propyl gamma-polyoxyalkylene ether functional resins chosen from (poly)oxyalkylene ether ?-hydroxy propyl (meth)acrylates, maleates and itaconates, water soluble copolymers thereof, and mixtures thereof. The water soluble copolymers are comb polymers and (meth)acrylate, maleate and itaconate monomer resins can be addition polymerized to form comb polymers suitable for many uses, such as superplasticizers, dispersants, detergents and floor care compositions. In addition, the present invention provides methods of making the resins by reacting in water or aqueous solvent one or more reactant a) a glycidyl polyether or glycidyl ether, optionally having an alkyl or aryl end group with one or more reactant b) a carboxylate anion containing vinyl compound or polymer, preferably a polymer such as poly(meth)acrylic acid. The methods enable simple formation of comb polymers.Type: ApplicationFiled: October 25, 2012Publication date: October 9, 2014Applicant: ROHM AND HAAS COMPANYInventors: William C. Finch, Sudhir M. Mulik, C. Damien Rodowski, Barry Weinstein
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Publication number: 20140296445Abstract: A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a glycidic ester.Type: ApplicationFiled: November 19, 2012Publication date: October 2, 2014Applicant: BRIDGESTONE CORPORATIONInventor: Steven Luo
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Publication number: 20140288242Abstract: Method for producing polyacrylate adhesive compounds with a narrow molar mass distribution by radical polymerization and subsequent decolorization of colored reaction products resulting therefrom.Type: ApplicationFiled: September 28, 2012Publication date: September 25, 2014Applicant: Tesa SEInventor: Alexander Prenzel
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Fluorine-containing curable resin, active energy beam-curable composition, and cured product thereof
Patent number: 8779065Abstract: The present invention provides a fluorine-containing curable resin that can impart high stain resistant properties to the surface of a cured coating film and can exhibit high stain resistant properties even when curing is performed in an air atmosphere (in the presence of oxygen). It is also an object to provide an active-energy-ray-curable composition that uses the fluorine-containing curable resin and can exhibit high stain resistant properties even when curing is performed in an air atmosphere and a cured product of the active-energy-ray-curable composition. To achieve the object, there is provided a fluorine-containing curable resin including a poly(perfluoroalkylene ether) chain, a maleimide group, and a mercapto group in a structure of a urethane polymer or a polymer composed of a monomer having a polymerizable unsaturated group.Type: GrantFiled: June 11, 2012Date of Patent: July 15, 2014Assignee: DIC CorporationInventors: Yusuke Ozaki, Hideya Suzuki -
Patent number: 8765906Abstract: A water absorbent resin having less fine powder or powdery dust and a controlled particle size is provided, and the water absorption rate of the water absorbent resin is increased by a simple method at low cost, while maintaining or improving other physical properties such as liquid permeability.Type: GrantFiled: April 27, 2011Date of Patent: July 1, 2014Assignee: Nippon Shokubai, Co., Ltd.Inventors: Yusuke Watanabe, Kazushi Torii, Kozo Nogi, Kunihiko Ishizaki, Reiko Nakatsuru, Shigeru Sakamoto
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Patent number: 8742028Abstract: The present invention provides a solid support for Fmoc-solid phase synthesis of peptides. In particular, the solid supports of the invention may be utilized to produce peptide acids.Type: GrantFiled: May 4, 2010Date of Patent: June 3, 2014Assignee: Mallinckrodt LLCInventors: Kripa S. Srivastava, Matthew R. Davis
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Patent number: 8710154Abstract: The present invention discloses a non-aqueous solution process for making cross-linked polymers. The cross-linked polymers are characterized by a repeat unit that includes at least one amino group. Amino groups can be part of the polymer backbone (e.g., polyethyleneimine), pendant from the polymer backbone (e.g., polyallylamine), or both types of amino groups can exist within the same repeat unit and/or polymer. The present invention discloses more specifically non-aqueous solution cross-linking to prepare Sevelamer and its salts, Colesevelam and its salts.Type: GrantFiled: September 14, 2009Date of Patent: April 29, 2014Assignee: Shasun Pharmaceuticals LimitedInventors: Kanchivakkam Ramaswamy Govindarajan, Kalpattu Kuppasamy Balasubramanian, S. Bava Bohorudeen, Somasundaram Angalan, Kalivan Neelakandan
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Patent number: 8642705Abstract: A process for producing a conjugated diene-based polymer which comprises, in the first modification, modifying a conjugated diene-based polymer having active chain ends, which is obtained by polymerizing a diene-based monomer singly or with other monomers and has a content of a cis-1,4 unit of 75% by mole or greater in the conjugated diene portion of the main chain, by reacting the active chain ends with a hydrocarbyloxysilane compound and reacting the modified polymer with a specific compound such as a hydrocarbyloxysilane compound, and a rubber composition containing the polymer modified in accordance with the above process and, preferably, 10 to 100 parts by weight of silica and/or carbon black per 100 parts by weight of the rubber component containing the modified polymer, are provided. The rubber composition containing silica and/or carbon black exhibits improved fracture properties, abrasion resistance, low heat buildup property and excellent workability.Type: GrantFiled: July 2, 2010Date of Patent: February 4, 2014Assignee: Bridgestone CorporationInventors: Youichi Ozawa, Hajime Kondou, Noriko Endou
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Publication number: 20130338300Abstract: The present invention relates to polymers functionalized by terminal groups, where these have, at the chain end, an ether-containing carbinol group of the formula (I) ?O-A-OH]??(I) where A is a divalent organic moiety which can comprise not only C and H but also heteroatoms, such as O, N, S, Si.Type: ApplicationFiled: November 10, 2011Publication date: December 19, 2013Applicant: LANXESS DEUTSCHLAND GMBHInventor: Norbert Steinhauser
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Patent number: 8604134Abstract: Vinylamine-containing polymers are disclosed where the amine groups are substituted with (1) cationic functional groups, (2) anionic functional groups, (3) hydrophobic functional groups, (4) hydrophilic functional groups, (5) functional groups that impart amphoteric characteristics to the polymers, or (6) combinations thereof. Also disclosed are processes for preparing such polymers, as well as compositions comprising such polymers. Among other applications, these polymers can be used in papermaking applications as dry strength additives, wet strength additives, retention aids, drainage aids, and pitch and stickies control agents.Type: GrantFiled: July 31, 2008Date of Patent: December 10, 2013Assignee: Hercules IncorporatedInventors: Qu-Ming Gu, Jonathan M. McKay, Richard J. Riehle
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Patent number: 8592527Abstract: Provided herein are vinyl ether end-functionalized polyolefins and methods for producing the same.Type: GrantFiled: June 14, 2010Date of Patent: November 26, 2013Assignee: University of Southern MississippiInventors: Robson F. Storey, David L. Morgan
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Patent number: 8546492Abstract: The present invention provides a surface treatment method for a water-absorbing resin comprising three steps of: 1) a humidifying and mixing step for mixing a base polymer and a surface cross-linking agent solution to obtain a “humidified substance”; 2) a pretreatment step for raising temperature of said humidified substance to obtain a “pretreated substance”; and 3) a surface cross-linking reaction step for cross-linking said pretreated substance to obtain a surface cross-linked “water-absorbing resin”; wherein dew point in the pretreatment step of the above 2) is from 50° C. to 95° C., and temperature of said humidified substance is raised from temperature below the dew point up to a temperature of 10° C. higher than the dew point.Type: GrantFiled: April 10, 2009Date of Patent: October 1, 2013Assignee: Nippon Shokubai, Co., Ltd.Inventors: Atsushi Motoyama, Seiji Kato, Makoto Matsumoto, Takaaki Kawano, Yoshio Irie
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Publication number: 20130225728Abstract: An adduct of (a) at least one divinylarene dioxide, and (b) at least one end-functionalized polymer. For example, the adduct may be beneficially used as a toughening agent for toughening thermoset resins such as epoxy resins.Type: ApplicationFiled: November 22, 2010Publication date: August 29, 2013Inventors: Stephanie L. Potisek, Mark B. Wilson
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Patent number: 8519212Abstract: The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.Type: GrantFiled: May 11, 2010Date of Patent: August 27, 2013Assignee: Nippon Shokubai Co., Ltd.Inventors: Yorimichi Dairoku, Yoshio Irie, Shinichi Fujino, Yasuhiro Fujita, Takashi Azumi, Kunihiko Ishizaki
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Patent number: 8507613Abstract: The present invention relates to a process for the alkoxylation of a first polymer comprising at least one monomer unit having NH groups and optionally NH2 groups, wherein the first polymer has a molecular weight Mw of at least 500 g/mol, comprising the steps of (a) reacting the first polymer with alkylene oxide in a reaction mixture comprising a solvent until the average degree of alkoxylation of each NH group and each optional NH2 group, calculated as two NH groups, is from 0.75 to 1.Type: GrantFiled: November 17, 2008Date of Patent: August 13, 2013Assignee: BASF SEInventors: Dieter Boeckh, Stefan Frenzel, Christian Bittner, Andrea Misske, Ulrich Annen, Wilfried Sager, Sophia Ebert, Andreas Eichhorn
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Patent number: 8455584Abstract: A process for preparing, in one step, a diene block copolymer, of which at least one of these blocks is constituted of a polyether, the number-average molecular weight of which is approximately from 100 to 5000 g/mol, and at least one other of these blocks is constituted of a diene elastomer. The process according to the invention allows a high degree of grafting of the polyether to the polymer chains. Also disclosed is a reinforced rubber composition, especially intended for the manufacture of tires, comprising such a block copolymer which is intended to interact with the reinforcing filler. Such a rubber composition has improved hysteresis properties in the vulcanized state, while retaining satisfactory processing properties in the non-vulcanized state.Type: GrantFiled: June 19, 2008Date of Patent: June 4, 2013Assignees: Compagnie Generale des Etablissements Michelin, Michelin Recherche et Technique S.A.Inventors: Pierre Robert, Fanny Barbotin, Jean-Michel Favrot, Philippe Chaboche
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Patent number: 8450428Abstract: The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, which comprises thermal postcrosslinking in the presence of steam.Type: GrantFiled: March 23, 2011Date of Patent: May 28, 2013Assignee: BASF SEInventors: Thomas Daniel, Marco Krüger, Karin Flore, Stefan Blei, Uwe Stueven, Norbert Herfert, Michael A. Mitchell
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Publication number: 20130123436Abstract: The present invention provides compositions comprising particles or agglomerates of one or more telomer or cotelomer ((co)telomer) of one or more methacrylic acids or anhydrides having a mean average particle size of from 2 ?m to 1 mm, preferably from 5 to 500 ?m. In addition, the present invention provides methods comprising aqueous solution addition polymerizing a monomer mixture of one or more methacrylic acid in the presence of a heteroatom containing compound, drying the resulting copolymer at a temperature of from 120 to 230° C. and reducing its particle size to make a (co)telomer particle or agglomerate; the methods may further comprise reacting the (co)telomer particle or agglomerate with one or more polyether polyol, alkyl polyether polyol, polyether amine or alkyl polyether amine, with heating, to form a comb polymer useful, e.g. as a superplasticizer or dispersant.Type: ApplicationFiled: October 4, 2012Publication date: May 16, 2013Applicant: ROHM AND HAAS COMPANYInventor: Rohm and Haas Company
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Patent number: 8394416Abstract: The present invention relates to a novel one step process for preparing cross-linked poly(allylamine) polymers or salts thereof using the novel cross-linking agent of Formula (IV). This invention also relates to the compound of Formula (IV) as well as to a process to obtain it. The cross-linked poly(allylamine) polymers of the invention are useful in medicine as substrate-binding polymers.Type: GrantFiled: July 16, 2008Date of Patent: March 12, 2013Assignee: Chemo Ibérica, S.A.Inventors: Sabrina Bianchi, Valter Castelvetro, Giovanni Marras, Sonja Bellomi, Graziano Castaldi, Gianpiero Ventimiglia
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Patent number: 8349962Abstract: A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an acylaziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.Type: GrantFiled: October 6, 2011Date of Patent: January 8, 2013Assignee: 3M Innovative Properties CompanyInventors: Belma Erdogan, Timothy D. Filiatrault, Maureen A. Kavanagh, Larry R. Krepski, Babu N. Gaddam
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Patent number: 8344073Abstract: Provided herein are telechelic polymers and methods for producing the same. In some embodiments, provided herein are compounds having the formula and methods for producing the same.Type: GrantFiled: January 16, 2009Date of Patent: January 1, 2013Assignee: The University of Southern MississippiInventors: Robson F. Storey, David L. Morgan
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Patent number: 8329818Abstract: Provided is a modified ethylene-vinyl alcohol copolymer (C) having an ethylen content of 5 to 55 mol %, which contains a specific structural unit (I) in an amount of 0.3 to 40 mol % and may be obtained by reacting an ethylene-vinyl alcohol copolymer (A) with a monofunctional epoxy compound (B) having a molecular weight of not more than 500. This can be produced by a method for producing the modified ethylene-vinyl alcohol copolymer (C) which comprises melting and kneading an ethylene-vinyl alcohol copolymer (A) with a monofunctional epoxy compound (B) in an extruder. The modified ethylene-vinyl alcohol copolymer (C) is superior to a unmodified ethylene-vinyl alcohol copolymer (A) in transparency, stretchability, flexibility and flexing resistance due to the specific structural unit (I) incorporated therein, and thus, can be used as a barrier material in various applications requiring the above performance capabilities.Type: GrantFiled: May 10, 2010Date of Patent: December 11, 2012Assignee: Kuraray Co., Ltd.Inventors: Kaoru Ikeda, Shinji Tai, Kouta Isoyama, Tomoyuki Watanabe
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Patent number: 8304169Abstract: The present invention relates to a novel alkali-developable resin, a method of producing the alkali-developable resin, a photosensitive resin composition including the alkali-developable resin, and a device that is manufactured by using the photosensitive composition. In the case of when the alkali-developable resin is used as a component of the photosensitive composition, the photosensitivity, the developability and the film remaining rate of the pattern are improved.Type: GrantFiled: February 11, 2008Date of Patent: November 6, 2012Assignee: LG Chem, Ltd.Inventors: Min-Young Lim, Han-Soo Kim, Yoon-Hee Heo, Ji-Heum Yoo, Sung-Hyun Kim
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Patent number: 8278395Abstract: The present invention has an object to provide a conjugated diene-based polymer, subjected to a vulcanization treatment to make a vulcanized rubber, the vulcanized rubber useful as a material for tire treads excellent in the balance among wet skid characteristics, low hysteresis loss, abrasion resistance, breaking strength and rigidity, and to provide its manufacturing process.Type: GrantFiled: March 25, 2008Date of Patent: October 2, 2012Assignee: Asahi Kasei Chemicals CorporationInventors: Yuichi Kitagawa, Toshikazu Hoshina, Kiyoo Katou
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Publication number: 20120245301Abstract: Disclosed is a method for activating a solid support material with epoxy groups and for immobilising ligands thereon, utilising phase transfer catalytic conditions. The method permits the introduction of epoxy groups and specific nucleophilic ligands on the support material with a high level of substitution. Furthermore, the invention provides a general method for immobilising a ligand for use in a wide variety of chromatographic separation procedures such as ion exchange chromatography, hydrophobic interaction chromatography (HIC), reverse phase chromatography (RPC), or affinity chromatography.Type: ApplicationFiled: June 6, 2012Publication date: September 27, 2012Applicant: GE HEALTHCARE BIO-SCIENCES ABInventors: GUNNAR GLAD, JEAN-LUC MALOISEL, NICOLAS THEVENIN
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Patent number: 8258223Abstract: The invention concerns a process for producing water-absorbing polymer, which comprises a base polymer A being mixed with a first aqueous solution B of at least one surface postcrosslinker and a second aqueous solution C of at least one polyvalent cation and thermally treated, wherein said base polymer A is based on at least 50% neutralized acid-functional monomer and said solutions B and C are metered wholly or partly concurrently through separate nozzles whereby a water-absorbing polymer having a high saline flow conductivity value is obtained.Type: GrantFiled: June 28, 2011Date of Patent: September 4, 2012Assignee: BASF SEInventors: Ulrich Riegel, Thomas Daniel, Matthias Weismantel, Mark Elliott, Dieter Hermeling
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Patent number: 8247498Abstract: It is to provide a narrowly dispersible star polymer having a controlled molecular structure and a method for easily producing such star polymer. The method comprises step (A) wherein arm (I) is formed by binding the anionic end of a polymer having an anionic end to a core and step (B) wherein arm (II) is extended from the core by a living radical polymerization. Examples of the star polymer is specifically exemplified by star polymers characterized by having a structure represented by formula (I-1) or (I-2) (In formula (I-1) or (I-2), B, C1 and C2 each independently represents a group composed of a polymer; and m1 and m2 each independently represents an integer of 1 or 2, wherein when m1 or m2 is 2, both C1 or both C2 represent the same group or different groups).Type: GrantFiled: July 11, 2007Date of Patent: August 21, 2012Assignee: Nippon Soda Co., Ltd.Inventor: Takeshi Niitani
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Patent number: 8217120Abstract: The present invention provides functionalized styrene oligomers and polymers prepared by Friedel-Crafts chemistry, as well as epoxidation products thereof. In particular, the invention provides allyl functional TPE. The invention also provides methods for making the functionalized styrene oligomers and polymers of the invention as well as epoxidation products thereof, compositions containing the same, and methods for using the functionalized and epoxified styrene oligomers that take advantage of the unique properties of the compounds and compositions of the invention.Type: GrantFiled: August 13, 2009Date of Patent: July 10, 2012Assignee: Designer Molecules, Inc.Inventor: Stephen M. Dershem
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Publication number: 20120149848Abstract: The present invention relates to a photoreactive polymer that comprises a multi-cyclic compound in a main chain, and a polymerization method thereof. Since the photoreactive polymer according to the present invention comprises a multi-cyclic compound having a high glass transition temperature as a main chain, the thermal stability is excellent, and since the mobility of the main chain is relatively high as compared to that of an additional polymer, a photoreactive group can be freely moved in the main chain of the polymer. Accordingly, it is possible to overcome a slow photoreactive rate that is considered a disadvantage of a polymer material used to prepare an alignment film for known liquid crystal display devices.Type: ApplicationFiled: December 15, 2011Publication date: June 14, 2012Inventors: Dai-Seung CHOI, Hye-Young JUNG, Sung-Ho CHUN, Heon KIM, Sung-Don HONG, Dong-Woo YOO
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Patent number: 8193264Abstract: A thermoplastic resin composition and a molded article thereof, respectively excellent in flowability and mechanical properties, and, in a preferred mode, also excellent in low warping property, laser transmittance and laser weldability, is obtained by mixing (B) 0.1 to 4 parts by weight of a polyfunctional compound having three or more functional groups, in which at least one of the terminal structures having the functional groups is a structure containing alkylene oxide units, with (A) 100 parts by weight of a thermoplastic resin, and further provides a molded particle thereof. It is preferred that the (A) thermoplastic resin is one or more selected from a polyester resin and polycarbonate resin.Type: GrantFiled: June 27, 2007Date of Patent: June 5, 2012Assignee: Toray Industries, Inc.Inventors: Sadanori Kumazawa, Hiroyuki Ohme, Yuki Amano, Takamasa Owaki
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Patent number: 8183326Abstract: A polymer includes directly bonded aromatic pendent groups and at least one moiety defined by one of the following formulas >N—N?CR1R2 or —N?N—CR1R2— where R1 and R2 (a) are independently H or a substituted or unsubstituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, aryl, allyl, aralkyl, alkaryl, or alkynyl group, or (b) together form a substituted or unsubstituted alkylene, alkenylene, cycloalkylene, cycloalkenylene, or arylene group. The moiety can be attached to the polymer through one or both of the two open bonds and, where it is attached through only one bond, the other bond attaches to a hydrogen atom, i.e., the moiety is at a terminus of the polymer. Such polymers can be used to provide compositions that also include particulate fillers.Type: GrantFiled: July 24, 2007Date of Patent: May 22, 2012Assignee: Bridgestone CorporationInventors: Yuan-Yong Yan, Dennis R. Brumbaugh, Steven Luo
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Patent number: 8158727Abstract: To provide an aqueous dispersion of a resin wherein dispersed particles are stable with fine particle sizes and whereby bleeding out is suppressed, which is thus useful as e.g. a surface treating agent for a polyolefin substrate, an adhesive or a coating material. A resin dispersion having dispersed in water a polymer (C) having a hydrophilic polymer (B) bonded to a polyolefin (A) in a ratio of (A):(B)=100:5 to 100:500 (weight ratio); a method for producing the resin dispersion; and a coating material and a laminate, employing it.Type: GrantFiled: June 2, 2006Date of Patent: April 17, 2012Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Toshiya Seko, Yongwoo Shin, Yongjun Jang, Fumihiko Shimizu
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Publication number: 20120010372Abstract: The physical properties of a water-absorbing resin with low residual monomer content are improved or stabilized, without sacrifices in productivity, production cost, stability, etc. Provided is a water-absorbing resin with low residual monomer content and excellent whiteness, wherein a water-absorbing resin consumed in large quantities in disposable diapers, etc., is preferably a sustainable and renewable water-absorbing resin that does not require excessive purification of the acrylic acid, particularly acrylic acids derived from non-fossil sources, that is the starting material of the water-absorbing resin. Disclosed is a method of manufacturing a hydrophilic polyacrylic acid (salt) resin, which is a method of manufacturing a water-absorbing polyacrylic acid resin that comprises a step in which a monomer is prepared from acrylic acid, a step in which said monomer is polymerized, and a step in which the resulting hydrous gel is dried.Type: ApplicationFiled: February 8, 2010Publication date: January 12, 2012Inventors: Shinichi Fujino, Satoshi Matsumoto, Kunihiko Ishizaki
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Publication number: 20110306732Abstract: The purpose of the present invention is to improve the water absorption of a water-absorbent resin without sacrificing the productivity, production cost, safety, and so on. Provided is a sustainable and renewable water-absorbent resin with excellent whiteness, which is suitable for mass consumption as disposal diapers or the like, and which can dispense with excessive purification of raw material acrylic acid. Also provided is a process for the production of a water-absorbent resin, which comprises: a step of preparing acrylic monomers; a step of polymerizing the monomers; and a step of drying the obtained aqueous gel, wherein the monomers at the time of polymerization contain at least 400 ppm of propionic acid.Type: ApplicationFiled: February 8, 2010Publication date: December 15, 2011Inventors: Shinichi Fujino, Eri Nagasawa, Satoshi Matsumoto, Kunihiko Ishizaki
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Patent number: 8071676Abstract: A primary modified polymer composed of (1) a hydrogenated polymer obtained by hydrogenating at least one non-hydrogenated polymer selected from the group consisting of polymers comprising conjugated diene monomer units and copolymers comprising conjugated diene monomer units and vinyl aromatic monomer units and (2) groups of a primary modifier having a functional group which are bonded to the polymer (1), which has a specific vinyl aromatic monomer unit content, a specific vinyl aromatic polymer block content, a specific weight-average molecular weight, and a specific degree of hydrogenation of the double bonds of conjugated diene monomer units; a secondary modified polymer obtained by reacting a primary modified polymer composed of (?) a base polymer and (?) groups of a primary modifier having a functional group which are bonded to the polymer (?) with a secondary modifier; and compositions comprising the primary or secondary modified polymer and at least one other component.Type: GrantFiled: December 22, 2008Date of Patent: December 6, 2011Assignee: Asahi Kasei Chemicals CorporationInventors: Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki, Shigeo Nakajima, Yasuhiro Kusanose
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Patent number: 8063151Abstract: The copolymers include a hydrophobic monomer and an acryloyl or methacryloyl ester of a propylene glycol monomethyl ether, also referred to as 1-methyl-2-methoxyethyl acrylate (“MMOEA”). The combination of the hydrophobic monomer and the MMOEA monomer advantageously provides desired mechanical strength, biocompatibility, and drug permeability in the copolymers. The copolymers can advantageously be used on medical devices.Type: GrantFiled: November 19, 2007Date of Patent: November 22, 2011Assignee: Abbott LaboratoriesInventor: Stephen Pacetti
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Patent number: 8063154Abstract: Provided herein are methods for preparing a polyolefin containing one or more exo-olefinic end groups on the polyolefin chain, comprising quenching an ionized polyolefin with an alkoxysilane or an ether. In some embodiments, the methods are represented by the following scheme: In some embodiments, the alkoxysilane or ether compound has the formula: wherein Y is carbon or silicon; R1 is hydrocarbyl; and R2-R4 are each, independently, hydrogen or hydrocarbyl.Type: GrantFiled: June 24, 2008Date of Patent: November 22, 2011Assignee: The University of Southern MississippiInventors: Robson F. Storey, Lisa K. Kemp
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Publication number: 20110253285Abstract: The present invention relates to a natural rubber that contains 200 ppm or less of phosphorus.Type: ApplicationFiled: December 14, 2009Publication date: October 20, 2011Inventors: Naoya Ichikawa, Toshiaki Sakaki, Sumiko Miyazaki, Tomohiro Hosokawa, Ai Matsuura
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Patent number: 8030414Abstract: The invention relates to novel polymers or oligomers containing at least sulfinate groups (P—(SO2)nX, X=1-(n=1), 2-(n=2) or 3-(n=3) valent metal cation or H+ or ammonium ion NR4+ where R=alkyl, aryl, H), which are obtained by completely or partially reducing polymers or oligomers containing at least SO2Y-groups (Y?F, Cl, Br, I, OR, NR2 (R=alkyl and/or aryl and/or H), N-imidazolyl, N-pyrazolyl) by means of suitable reducing agents in a suspension or in a solution form. Polymer and polymer(blend)membranes which are obtained by further reacting the received sulfinated polymers, especially by alkylation of the sulfinate groups with mono- di- or oligo functional electrophiles. The invention further relates to methods for producing the sulfinated polymers and for further reacting the sulfinated polymers with electrophiles by S-alkylation.Type: GrantFiled: November 26, 2008Date of Patent: October 4, 2011Inventors: Thomas Haring, Jochen Kerres, Wei Zhang