Nitrogen Atom Is Part Of A Carboxylic Acid Amide Group Patents (Class 525/296)
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Patent number: 9035005Abstract: The present invention is directed to a copolymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diolefin monomer and optionally at least one vinyl aromatic monomer; and a polymeric side-chain bonded exclusively to a terminal end of the backbone chain, the side-chain comprising a polymer derived from a monomer having a hydrogen bond donor moiety and a hydrogen bond acceptor moiety.Type: GrantFiled: May 15, 2013Date of Patent: May 19, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Arindam Mazumdar, Frank James Feher
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Publication number: 20150053361Abstract: Polymer complex obtained by polymerization of water-soluble monomers: in the presence of a host polymer comprising vinylamine functions and of a non-polymeric transfer agent, and in the absence of branching or crosslinking agent of ethylenic polyfunctional type.Type: ApplicationFiled: July 24, 2014Publication date: February 26, 2015Applicant: S.P.C.M. SAInventors: René HUND, Gatien FAUCHER, Damien FOUGEROUSSE
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Patent number: 8962759Abstract: The present invention is directed to a copolymer comprising: a polyisoprene backbone chain with a microstructure comprising grater than 98 percent by weight of cis 1,4 linkages; and polymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer derived from a monomer having a hydrogen bond donor site and a hydrogen bond acceptor site.Type: GrantFiled: May 30, 2013Date of Patent: February 24, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Arindam Mazumdar, Frank James Feher
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Publication number: 20150010752Abstract: Adhesive compositions comprising a copolymer of isobutylene repeat units and alkene repeat units are described. At least a portion of the alkene repeat units are bonded to a pendent nitrogen atom of a quaternary ammonium salt comprising a free-radically polymerizable substituent. The adhesive optionally comprises other components such as tackifier, unfunctionalized polyisobutylene polymer, plasticizer, and combinations thereof.Type: ApplicationFiled: January 30, 2013Publication date: January 8, 2015Inventors: Hae-Seung Lee, Joon Chatterjee, Babu N. Gaddam
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Publication number: 20150010816Abstract: A binder composition for a rechargeable lithium battery includes a semi-interpenetrating polymer network (semi-IPN) including a copolymer including a repeating unit represented by the following Chemical Formula 1 and a repeating unit represented by the following Chemical Formula 2 and polyacrylamide, and polyalkylene glycol. In Chemical Formula 1, R1 and R2 are the same or different and are independently selected from hydrogen, or a substituted or unsubstituted C1 to C10 alkyl group, and R3 and R4 are an alkali metal. In Chemical Formula 2, R5 to R8 are the same or different, and are independently hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C1 to C30 alkoxy group.Type: ApplicationFiled: December 23, 2013Publication date: January 8, 2015Applicants: AEKYUNG CHEMICAL CO., LTD, SAMSUNG SDI CO., LTD.Inventors: Byung-Joo CHUNG, Eon-Mi LEE, Seung-Uk KWON, Jae-Hyuk KIM, Soon-Sung SUH, Chang-Ui JEONG, Ha-Na YOO, Nam-Seon KIM, Yang-Soo KIM, Kwang-Sik CHOI
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Publication number: 20140364519Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.Type: ApplicationFiled: August 25, 2014Publication date: December 11, 2014Inventors: Catherine A. Bothof, Yi He, Jerald K. Rasmussen, Kannan Seshadri, Clinton P. Waller, JR., Douglas E. Weiss
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Patent number: 8871870Abstract: Synthesized base resin compositions that include a raw resin and a maleimide and/or bismaleimide monomer as well as compounded varnishes that include a raw resin or synthesized base resin as well as a monomer, flame retardant and initiator as well as prepregs and laminates made using the synthesized base resin and compounded varnishes.Type: GrantFiled: March 15, 2013Date of Patent: October 28, 2014Assignee: Isola USA Corp.Inventors: Guroen He, Tarun Amla, Larry D. Olson, Peggy Conn
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Publication number: 20140272575Abstract: Embodiments are directed to a binder for a rechargeable lithium battery, the binder including a copolymer including a repeating unit represented by Chemical Formula X, a repeating unit represented by Chemical Formula Y-1, and a repeating unit represented by Chemical Formula Z, and lithium ions, where Chemical Formula X, Chemical Formula Y-1, and Chemical Formula Z are as described herein.Type: ApplicationFiled: March 11, 2014Publication date: September 18, 2014Applicants: AEKYUNG CHEMICAL CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Eon-Mi LEE, Byung-Joo CHUNG, Nam-Seon KIM, Yang-Soo KIM, Kwang-Sik CHOI
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Patent number: 8835565Abstract: Preformed stabilizers useful for the production of low viscosity, high solids polymer polyols are produced by free-radical polymerization of: (a) at least one ethylenically unsaturated macromolecule or macromer with (b) at least three different ethylenically unsaturated monomers in the presence of (c) at least one free-radical polymerization initiator, and, optionally, (d) a liquid diluent, and, optionally, (e) a chain transfer agent.Type: GrantFiled: April 18, 2012Date of Patent: September 16, 2014Assignee: Bayer MaterialScience LLCInventors: Jiong England, Rick L. Adkins, Brian L. Neal, William Gill
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Publication number: 20140213517Abstract: Provided are novel biocompatible copolymers and compositions comprising the copolymers. The copolymers are non-toxic and typically have an LCST below 37° C. Compositions comprising the copolymers can be used for wound treatment, as a cellular growth matrix or niche and for injection into cardiac tissue to repair and mechanically support damaged tissue. The copolymers comprise numerous ester linkages so that the copolymers are erodeable in situ. Degradation products of the copolymers are soluble and non-toxic. The copolymers can be amine-reactive so that they can conjugate with proteins, such as collagen. Active ingredients, such as drugs, can be incorporated into compositions comprising the copolymers.Type: ApplicationFiled: January 28, 2014Publication date: July 31, 2014Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventors: Kazuro Lee Fujimoto, Jianjun Guan, Zuwei Ma, William R. Wagner
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Publication number: 20140205899Abstract: A binder for a rechargeable lithium battery includes a copolymer having a weight average molecular weight of about 10,000 to about 500,000 and including a repeating unit represented by Chemical Formula X and a repeating unit represented by Chemical Formula Y-1: The binder may be used in preparing an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the electrode exhibits improved stability, rate capability, and cycle-life.Type: ApplicationFiled: January 10, 2014Publication date: July 24, 2014Applicants: AEKYUNG CHEMICAL CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Byung-Joo Chung, Eon-Mi Lee, Nam-Seon Kim, Yang-Soo Kim, Kwang-Sik Choi
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Patent number: 8765892Abstract: The present invention relates to a conjugated diene polymer that can give a polymer composition having excellent fuel economy, a polymer composition formed by combining the conjugated diene polymer and a filler such as silica, and a method for producing the conjugated diene polymer.Type: GrantFiled: August 21, 2009Date of Patent: July 1, 2014Assignee: Sumitomo Chemical Company, LimitedInventor: Mayumi Oshima
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Publication number: 20140087445Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.Type: ApplicationFiled: November 27, 2013Publication date: March 27, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Catherine A. Bothof, Yi He, Jerald K. Rasmussen, Kannan Seshadri, Clinton P. Waller, JR., Douglas E. Weiss
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Publication number: 20140051163Abstract: The present disclosure provides synthetic substrates for long-term culture of stem cells; and methods of use of the synthetic substrates.Type: ApplicationFiled: February 1, 2012Publication date: February 20, 2014Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Kevin E. Healy, Elizabeth F. Irwin
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Patent number: 8623962Abstract: This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(?0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)?83), when 70 to 90 mol % ethylene is present in the co-oligomer.Type: GrantFiled: September 21, 2012Date of Patent: January 7, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: John R. Hagadorn, Matthew W. Holtcamp, Andrew G. Narvaez, Jr., Donna J. Crowther, Patrick Brant
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Publication number: 20130296493Abstract: The present invention provides a modified natural rubber that offers higher efficiency of graft polymerization or attachment of a polar group-containing compounds, and that possesses excellent low loss factor, wear resistance and fracture resistance when used as a rubber composition, a rubber composition using the modified natural rubber and a tire using the rubber composition. In the present invention, a polar group-containing compound is graft polymerized or attached under mechanical shear force to a natural rubber raw material having a nitrogen content of 0.4 mass % or less.Type: ApplicationFiled: May 1, 2013Publication date: November 7, 2013Applicant: BRIDGESTONE CORPORATIONInventors: Taku YAMAMOTO, Haruki Minojima, Takeshi Kasai
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Publication number: 20130289216Abstract: A process for producing a water-soluble, hydrolysis-stable, polymerizable polymer, comprising a) a step of copolymerizing a mixture comprising (i) a first copolymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and (ii) a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary amino groups and a second polymerizable organic moiety, for obtaining an amino group containing copolymer; b) a step of coupling to the amino group containing copolymer a compound having a polymerizable moiety and a functional group reactive with an amino group of repeating units derived from the second copolymerizable monomer in the amino group containing copolymer obtained in the first step wherein the optionally protected amino group is deprotected, so that polymerizable pendant groups are linked to the backbone by hydrolysis-stable linking groups, and, optionally, a step of deprotecting the protected carboxylic acType: ApplicationFiled: December 20, 2011Publication date: October 31, 2013Applicant: DENTSPLI International Inc.Inventors: Joachim E. Klee, Helmut Ritter, Maximilliam Maier, Julia Gansel, Andreas Facher, Oliver Eelsner, Sven Pohle
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Patent number: 8552117Abstract: Polyolefin based sealing element compositions with good oxygen barrier properties particularly suitable for forming sealing elements, for example gaskets and cap liners that are especially useful for sealing containers having products such as liquids or food-stuffs therein. The compositions when formed as sealing elements do not appreciably contribute taste and/or odor to a packaged product including the sealing element. The compositions have desirable rheological properties and are thus readily processable at various temperatures.Type: GrantFiled: June 13, 2012Date of Patent: October 8, 2013Assignee: Teknor Apex CompanyInventors: Biing-Lin Lee, Kevin G. Cai, Edward T. Kopesky
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Publication number: 20130228525Abstract: A flocculating agent that comprises a complex of a metal salt and multiple strands of a temperature sensitive polymer. A process for separating coal fines from an aqueous liquid using a flocculent having a critical flocculation temperature, said critical flocculation temperature being the temperature below which flocculent is hydrophilic and forms floccules with fines and above which the flocculent is hydrophobic, which comprises adding to the aqueous liquid an effective amount of the flocculent at a temperature below the critical flocculent flocculation temperature of the flocculent to cause generation of floccules, said comprising at least a metal complex including a metal salt and a water soluble polymer, separating (for example filtering) floccules from the aqueous liquid, then heating the floccules to a temperature above the critical flocculation temperature of the flocculent to expel water from the floccules to create a solids and expelled water, and separating the expelled water from the solids.Type: ApplicationFiled: March 4, 2013Publication date: September 5, 2013Applicant: THE GOVERNORS OF THE UNIVERSITY OF ALBERTAInventor: THE GOVERNORS OF THE UNIVERSITY OF ALBERTA
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Patent number: 8507639Abstract: Radiopaque polymers have a main chain and a plurality of amide groups which have bound to the amide nitrogen atom thereof an organohalide group that is pendant to the polymer main chain, the organo halide group including one or more iodine and/or bromine atoms thereon. The polymer may be a modified polyamide polymer, copolymer or block copolymer or a modified poly(meth)acrylamide or (meth)acrylamide copolymer or block copolymer. The polymers may be employed in medical devices and are useful for instance to track the movement of a catheter through the body or the inflation of a balloon at a site. The polymers may be made by coupling reactions performed on preexisting amide polymers.Type: GrantFiled: September 11, 2006Date of Patent: August 13, 2013Assignee: Boston Scientific Scimed, Inc.Inventors: Liliana Atanasoska, Scott Schewe, Robert Warner
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Patent number: 8492482Abstract: The invention relates to a liquid rubber acrylic block copolymer, and its use in modifying a thermoset composition. The liquid rubber acrylic block copolymer adds toughness and flexibility to a thermoset composition. The acrylic block copolymers are especially useful for modifying epoxy compositions.Type: GrantFiled: November 26, 2008Date of Patent: July 23, 2013Assignee: Arkema Inc.Inventors: Scott C. Schmidt, Robert J. Barsotti, Noah E. Macy, Rabi Inoubli, Pierre Gerard
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Publication number: 20130172490Abstract: In one embodiment of the disclosure, a copolymer and method for manufacturing the same are provided. The copolymer is copolymerized from a composition including: (a) a first hydrophilic monomer, including itaconamic acid, itaconamic salt, or combinations thereof; and (b) a second hydrophilic monomer, including acrylic acid, acrylic salt, acrylamide, or combinations thereof.Type: ApplicationFiled: September 14, 2012Publication date: July 4, 2013Inventors: Tun-Fun WAY, Yu-Ting CHEN, Jiun-Jy CHEN, Kelly TENG
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Publication number: 20130158495Abstract: Object The main object of the present invention is to provide a water-absorbent resin having a suitable particle size, strong particle strength, excellent adhesion to fibers, and excellent flowability as powders as well as properties suitable for a water-absorbent material used in a hygienic material, such as excellent general absorption properties as a water-absorbent resin, and to provide a process for producing the same. Another object of the present invention is to provide an absorbent material and an absorbent article using the water-absorbent resin. Means for Achieving the Object A water-absorbent resin having an aspect ratio of 1.0 to 3.0 and a median particle size (D) of 100 to 2,000 ?m in which primary particles having an aspect ratio of 1.1 to 200 and a median particle size (d) of 50 to 600 ?m are agglomerated.Type: ApplicationFiled: September 2, 2011Publication date: June 20, 2013Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Masayoshi Handa, Yuichi Onoda, Koji Ueda
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Patent number: 8445559Abstract: A polymeric particle including a core, a first shell, and a second shell is provided: the core including, when dry, at least one void; the first shell polymer having a calculated glass transition temperature (“Tg”) greater than 50° C. and including, as polymerized units, from 15% to 60%, by weight based on the weight of the first shell, monomer selected from the group consisting of acrylonitrile, methacrylonitrile, acrylamide, methacrylamide, and mixtures thereof; and from 0.3% to 10%, by weight based on the weight of the first shell polymer, multiethylenically unsaturated monomer; and the second shell polymer having a Tg of from ?60° C. to 50° C.; wherein the weight ratio of the second shell polymer to the total of all other structures of the polymeric particle is from 0.5:1 to 3:1. The particle provides binding functionality and, when dry, opacity and energy savings. A method for providing a polymeric particle and a method for providing opacity to a dry coating are also provided.Type: GrantFiled: June 24, 2009Date of Patent: May 21, 2013Assignee: Rohm and Haas CompanyInventor: James Keith Bardman
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Patent number: 8399569Abstract: An object of the present invention is to provide a reactive urethane compound having superior curability, adhesion to substrates, transparency, molecular flexibility, and mechanical properties, a curable composition containing the compound, and a cured material formed from the composition. An ethylenically-unsaturated-group containing reactive urethane compound of the present invention is represented by formula (I): wherein R1 and R2 are each independently a hydrogen atom or an alkylene group; R3 is a hydrogen atom, a alkyl group, or an aryl group; R4 is a single bond or an alkylene group; R5 is a hydrogen atom or a methyl group; R6 is an oxygen atom, a sulfur atom, or an imino group; n is 2 to 12; m is 1 to 300; and X is an aliphatic, aromatic or heterocyclic compound residue.Type: GrantFiled: May 21, 2008Date of Patent: March 19, 2013Assignee: Showa Denko K.K.Inventors: Katsumi Murofushi, Nobuaki Ishii, Miyuki Tomita, Yotaro Hattori, Yoshifumi Urakawa
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Publication number: 20120302690Abstract: A latex comprising of two stage grafted acrylic is disclosed. The acrylic comprises a water soluble portion and a water insoluble portion that are grafted together. A method for making the latex, a coating comprising the latex, and substrates coated with the coating are also disclosed.Type: ApplicationFiled: May 27, 2011Publication date: November 29, 2012Applicant: PPG Industries Ohio, Inc.Inventors: Sarah Cunningham, Youssef Moussa
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Publication number: 20120264885Abstract: Methods comprising providing a relative permeability modifier that comprises a hydrophilic polymer backbone with a hydrophobic modification and incorporating at least one cationic compound onto the hydrophilic polymer backbone. The hydrophilic polymer is one or more of: a polyacrylamide; a polyvinylamine; a poly(vinylamine/vinyl alcohol); an alkyl acrylate polymer; cellulose; chitosan; a polyamide; a polyetheramine; a polyhydroxyetheramine; a polylysine; a polysulfone; a gum; or a starch. The hydrophobic modification is achieved either by reacting the hydrophilic polymer with a hydrophobic compound or by a polymerization reaction product of a hydrophilic monomer and a hydrophobically modified hydrophilic monomer. The hydrophobic compound has an alkyl chain length from 4 to 22 carbons and is one or more of: an alkyl acrylate; an alkyl methacrylate; an alkyl acrylamide; an alkyl methacrylamide; or an alkyl dimethylammoniumethyl methacrylate halide.Type: ApplicationFiled: June 27, 2012Publication date: October 18, 2012Applicant: Halliburton Energy Services, Inc.Inventors: Larry S. Eoff, B. Raghava Reddy, Eldon D. Dalrymple
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Patent number: 8283419Abstract: This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(?0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)?83), when 70 to 90 mol % ethylene is present in the co-oligomer.Type: GrantFiled: June 19, 2009Date of Patent: October 9, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: John R. Hagadorn, Matthew W. Holtcamp, Andrew G. Narvaez, Jr., Donna J. Crowther, Patrick Brant
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Publication number: 20120202082Abstract: An object of the present invention is to provide a copolymer having the characteristic of developing high viscosity, and lowering its viscosity with an increase in rate of shear, particularly a copolymer having the characteristic of developing viscosity, and lowering its viscosity with an increase in rate of shear even in an aqueous coating composition that contains a surfactant. The present invention provides a copolymer obtainable by copolymerization of a monomer component (m) that includes: (m-1), a macromonomer having (i) a backbone that comprises a polymer chain having a number average molecular weight of 1,000 to 10,000 obtainable by polymerizing a monomer component (I) that contains 5 to 100 mass % of a C4-C24 alkyl-containing polymerizable unsaturated monomer (a), and (ii) a polymerizable unsaturated group; and (m-2) a polymerizable unsaturated monomer containing a hydrophilic group.Type: ApplicationFiled: September 8, 2010Publication date: August 9, 2012Inventor: Takeshi Fujii
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Publication number: 20120168384Abstract: A drug-adsorbing material capable of efficiently adsorbing and eliminating drugs (such as carcinostatic agents) from blood with a small amount without causing foreign body recognition reaction, such as blood coagulation, and a medical device provided with said drug-adsorbing material. The drug-adsorbing material is based on polymeric microparticles which swell upon adsorption of plasma components at pH value of 7 or above and keep their shape after swelling. The drug-adsorbing material is incorporated into a drug-administrating device for drug adsorption.Type: ApplicationFiled: March 13, 2012Publication date: July 5, 2012Applicant: TERUMO KABUSHIKI KAISHAInventors: Takao ANZAI, Takako Ariga
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Patent number: 8187493Abstract: A grafted polymer and its use in polymer/liquid crystal composite films, and more particularly in PDLC films, is disclosed. The grafted polymer includes (alkyl)acrylic acid or (alkyl)acrylamide moieties. At least one of the moieties is grafted with an alkylphenol or with an alkoxylated alkylphenol.Type: GrantFiled: May 5, 2006Date of Patent: May 29, 2012Assignees: Université de Mons, Université du Litteral Côte OpaleInventors: Benoît Duponchel, Abdelaziz Elass, Mourad Boussoualem, Jean-Marc Buisine, Joël DeConinck, Valérie Céline Ledauphin, Mickaël Coquelet, Alexandre Vaillant
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Publication number: 20120097613Abstract: The present invention relates to imprinted polymer nanoparticles. In particular, the present invention provides imprinted polymer nanopaticles polymerized in the presence of a target molecule (e.g., peptide), wherein the imprinted polymer nanoparticles comprise vinyl, acryl, and/or methacryl monomers, wherein the monomers have affinity for the target molecule. The present invention also relates to methods of using imprinted polymer nanoparticles in biomoacromolecular purification methods (e.g., to purify monoclonal antibodies or hormones), in toxin elimination methods (e.g., hemoperfusion), in diagnostics, in research, as well as in therapeutic methods (e.g., therapeutic methods where antisera or monoclonal antibodies are normally employed).Type: ApplicationFiled: January 11, 2010Publication date: April 26, 2012Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Yu Hoshino, Kenneth J. Shea
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Publication number: 20120046407Abstract: A method of making a polymeric compound, comprising discrete particles responsive to an external stimulus, that is resistant to aggregation in high-shear fields, which includes the addition of a polymerization initiator to a reaction mixture comprising a monomer corresponding to the polymeric compound, wherein the method comprises the portion-wise addition of aliquots of a cross-linking agent to the reaction mixture, wherein an aliquot of the cross-linking agent is added to the reaction mixture both before the addition of the polymerization initiator and after the polymerization has progressed substantially to completion. The polymer particles are largely immune to the effects of transient shear rates at least as high as 106 s?1, whilst maintaining their thermal responsiveness and being present at moderate concentration. The structural and chemical modifications brought by the delayed portion-wise addition of the cross-linking agent allow an improvement in stability in a high-shear field.Type: ApplicationFiled: December 17, 2009Publication date: February 23, 2012Inventors: Andrew Clarke, Stephanie Vronique Desrousseaux, Danuta Gibson, John Martin Higgins, Andrew Michael Howe, Trevor John Wear
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Publication number: 20110287992Abstract: The composition and preparation of multiple graft low molecular weight polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot. The product is useful as a lubricant additive and a fuel additive.Type: ApplicationFiled: November 16, 2010Publication date: November 24, 2011Applicant: Castrol LimitedInventors: Irwin L. Goldblatt, Richard P. Sauer, Shean-jer Chen
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Publication number: 20110287262Abstract: Acid-labile poly(N-vinyl formamide) (“PNVF”) nanocapsules were synthesized by free radical polymerization of N-vinyl formamide with optional active ingredients on the surface of silica nanoparticles. Polymerization in the presence of a novel cross-linker that contains an acid-labile ketal facilitated stable etching of silica nanoparticle templates using sodium hydroxide and recovery of PNVF nanocapsules. The formamido side group of PNVF was then hydrolyzed by extended exposure to sodium hydroxide to produce polyvinylamine (“PVAm”) nanocapsules. PNVF and PVAm nanoparticles are also synthesized that form nanogels with optional active ingredients.Type: ApplicationFiled: August 4, 2011Publication date: November 24, 2011Inventors: Cory J. Berkland, Lianjun Shi
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Publication number: 20110250453Abstract: What is described is the use of polymer particles for producing photonic crystals, wherein the polymer particles do not film and have, at their contact points in the photonic crystal, linkage sites which allow linkage of the particles by physical or chemical bonding, without reducing the volume of the interstitial phase by more than 30%.Type: ApplicationFiled: August 22, 2008Publication date: October 13, 2011Applicant: BASF SEInventors: Reinhold Leyrer, Wendel Wohlleben
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Publication number: 20110224351Abstract: Provided are a method of producing a graft copolymer, the method involving subjecting a radically polymerizable monomer to living radical graft polymerization with a rubber component formed of a natural rubber and/or a synthetic diene-based rubber in an aqueous medium in the presence of a polymerization control agent, a rubber composition containing the graft copolymer obtained by the method, and a tire obtained by using the rubber composition in any one of its tire members.Type: ApplicationFiled: October 1, 2009Publication date: September 15, 2011Applicants: BRIDGESTONE CORPORATION, OTSUKA CHEMICAL CO., LTD.Inventors: Noriko Mori, Hajime Tokyo, Takashi Kameshima
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Publication number: 20110207874Abstract: A conjugated diene polymer is provided that includes a conjugated diene-based monomer unit and a monomer unit based on a compound represented by Formula (1) below, the monomer unit based on a compound represented by Formula (1) below being between a conjugated diene-based monomer unit-containing partial chain and a conjugated diene-based monomer unit-containing partial chain (said partial chain not comprising a monomer unit based on a compound represented by Formula (1) below), and the polymer having at least one terminus modified by a compound represented by Formula (2) below, wherein r is 0 or 1, R1 denotes a hydrocarbyl group or a group containing at least one atom selected from the atomic group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom, and R2 denotes a group containing at least one atom selected from the atomic group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom, wherein X denotes an oxygen atom or a sulfur atom, R3 denotes a nitrogen atom- and/or oxygenType: ApplicationFiled: February 23, 2011Publication date: August 25, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Mana Ito, Katsunari Inagaki
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Publication number: 20110160404Abstract: The invention relates to copolymers that can be obtained by the polymerization of monomers (A), (B), (C) and (D), where (A) is a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, R is hydrogen or methyl, m is a number between 1 and 500, and n is a number between 1 and 500, the sum of m+n being equal to between 2 and 1000; (B) is a monomer of formula (II) wherein D is C3 alkylene, R is hydrogen or methyl, and o is a number between 2 and 500; (C) is an ethylenically unsaturated monomer containing an aromatic group; and (D) is an ethylenically unsaturated monomer containing an alkyl radical.Type: ApplicationFiled: July 17, 2009Publication date: June 30, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 7956131Abstract: Lactam polymers has been modified with sodium borohydride (NaBH4) to yield lactam polymers bearing hydroxyl functional groups. These functional groups are useful for the covalent attachment of reactive groups, fluorescent probes, antimicrobial agents, bioactive factors, and drugs. The resulting as components for medical devices, specifically ophthalmic devices and more specifically contact lenses. Hydrogels based on these polymers are also useful for biomedical applications in the areas of drug delivery, tissue engineering, and implantable devices.Type: GrantFiled: March 17, 2010Date of Patent: June 7, 2011Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Stephen C Arnold, Walter R Laredo
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Publication number: 20110077334Abstract: It is an object of the present invention to provide a curable composition capable of forming a heat-resistant cured film which is excellent in surface hardness, is good in flexibility and bending properties, and has strength and flexibility that are compatible with each other, and a cured product (film) of the composition. The curable composition includes a reactive (meth)acrylate polymer (A) having a monomer unit represented by the following formula (1), a polymerization initiator (B) and a reactive monomer(C): wherein R1 is a hydrogen atom, a methyl group or an ethyl group, R2 is a hydrogen atom or a methyl group, X1 is a straight-chain or branched hydrocarbon group of 2 to 6 carbon atoms or an alcohol residue of polyethylene glycol, polypropylene glycol or caprolactone-modified both-terminal diol, n is an integer of 2 to 4, and m is an integer of 1 to 5.Type: ApplicationFiled: May 20, 2009Publication date: March 31, 2011Applicant: SHOWA DENKO K.K.Inventors: Hiroko OI, Yotaro Hattori, Nobuaki Ishii, Katsumi Murofushi
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Patent number: 7915347Abstract: The present invention relates to novel block polymers comprising at least one first block and at least one second block that are incompatible with each other, have different glass transition temperatures (Tg), and are linked together via an intermediate segment comprising at least one constituent monomer of the at least one first block and at least one constituent monomer of the at least one second block. The block polymer has a polydispersity index I of greater than 2. The invention also relates to cosmetic compositions comprising the block polymers and processes for their use.Type: GrantFiled: September 21, 2007Date of Patent: March 29, 2011Assignee: L'Oreal S.A.Inventors: Bertrand Lion, Nathalie Martin, Béatrice Toumi
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Publication number: 20110061495Abstract: An indium adsorbent includes a polymer material having a template architecture with respect to indium, the indium adsorbent having an adsorption selection rate of indium with respect to zinc of 2.0 or more.Type: ApplicationFiled: September 8, 2010Publication date: March 17, 2011Applicant: SONY CORPORATIONInventors: Keiji Yamashita, Yasuhito Inagaki
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Patent number: 7868097Abstract: A hybrid polymer has a structure in which a polyolefin segment and a polar polymer segment are connected not via a bonding group containing a heteroatom. A method of the invention produces the hybrid polymer with industrial advantages. The hybrid polymer includes a polyolefin segment (A) and a polar polymer segment (B), the polar polymer segment being obtained by radical polymerization of a radically polymerizable monomer.Type: GrantFiled: February 21, 2006Date of Patent: January 11, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Hideyuki Kaneko, Shinichi Kojoh, Nobuo Kawahara, Shingo Matsuo, Tomoaki Matsugi, Norio Kashiwa
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Patent number: 7803877Abstract: The present invention relates to novel block polymers comprising at least one first block and at least one second block that are incompatible with each other, have different glass transition temperatures (Tg), and are linked together via an intermediate segment comprising at least one constituent monomer of the at least one first block and at least one constituent monomer of the at least one second block. The block polymer has a polydispersity index I of greater than 2. The invention also relates to cosmetic compositions comprising the block polymers and processes for their use.Type: GrantFiled: September 26, 2003Date of Patent: September 28, 2010Assignee: L'Oreal S.A.Inventors: Bertrand Lion, Nathalie Martin, Béatrice Toumi
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Patent number: 7790780Abstract: Radically coupled PTFE polymer powders useful, for example, as tribomaterials, and a method for production thereof. Radically coupled PTFE polymer powders are provided which, when incorporated into a matrix as PTFE polymer compound, exhibit improved wear resistances, and furthermore there is provided a simple and efficient method for the production thereof. Radically coupled PTFE polymer powders are provided comprising radiation-chemically and/or plasma-chemically modified PTFE powders, onto the particle surface of which homopolymers, copolymers or terpolymers are radically coupled via a reaction in dispersion or in substance. A method is provided in which PTFE powders with reactive perfluoroalkyl-(peroxy) radical centers after a radiation-chemical and/or plasma-chemical modification are reacted in dispersion or in substance with the addition of polymerizable, olefinically unsaturated monomers, whereby during the reaction a polymer-forming reaction is obtained.Type: GrantFiled: October 22, 2004Date of Patent: September 7, 2010Assignee: Leibniz-Institut fuer Polymerforschung Dresden E.V.Inventors: Dieter Lehmann, Bernd Kluepfel
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Patent number: 7642318Abstract: A second-order modified block copolymer which can be obtained by reacting a first-order modified block copolymer with a second-order modifier, wherein the first-order modified block copolymer comprises a base block copolymer and a functional group-containing first-order modifier group bonded to the base block copolymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second-order modifier has a specific functional group which is reactive to the functional group of the first-order modifier group of the first-order modified block copolymer. A second-order modified block copolymer-containing polymer composition comprising the second-order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.Type: GrantFiled: July 6, 2007Date of Patent: January 5, 2010Assignee: Asahi Kasei Chemicals CorporationInventors: Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki
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Patent number: 7642317Abstract: A second-order modified block copolymer which can be obtained by reacting a first-order modified block copolymer with a second-order modifier, wherein the first-order modified block copolymer comprises a base block copolymer and a functional group-containing first-order modifier group bonded to the base block copolymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second-order modifier has a specific functional group which is reactive to the functional group of the first-order modifier group of the first-order modified block copolymer. A second-order modified block copolymer-containing polymer composition comprising the second-order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.Type: GrantFiled: July 6, 2007Date of Patent: January 5, 2010Assignee: Asahi Kasei Chemicals CorporationInventors: Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki
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Publication number: 20090326159Abstract: The present invention relates to a cement dispersant, and an object thereof is to provide a cement dispersant having high water reducing property, low setting retardation and low concrete viscosity and taking also applicability into account. The cement dispersant comprises a polycarboxylic acid polymer formed by structural unit (I) composed of a reactive alcohol alkylene oxide adduct and structural unit (II) composed of a reactive dibasic acid, and preferably further structural unit (III) containing polyamide polyamine in the unit, wherein fumaric acid and/or a derivative thereof is used as a partial or main starting material of the structural unit (II). The cement dispersant is excellent in water reducing property, setting retardation and concrete viscosity.Type: ApplicationFiled: September 13, 2007Publication date: December 31, 2009Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Akira Ikeda, Seiichi Koshisaka, Akira Suga, Tomohisa Okada
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Patent number: 7563849Abstract: An ethylene (co)polymer of the present invention is a (co)polymer with excellent moldability and mechanical properties and either an ethylene homopolymer or a copolymer of ethylene and an ?-olefin of 4 to 20 carbon atoms. The (co)polymer has methyl branches measured by 13C-NMR less than 0.1 in number per 1,000 carbon atoms and Mw/Mn measured by GPC not lower than 1.8 and lower than 4.5. The (co)polymer is either an ethylene homopolymer or a copolymer of ethylene and an ?-olefin of 3 to 20 carbon atoms. The melt tension (MT) and the swell ratio (SR) satisfy the relation; log(MT)>12.9?7.15×SR; and the intrinsic viscosity ([?]) and the melt flow rate (MFR) satisfy the relation; [?]>1.85×MFR?0.192 in the case of MFR<1 and the relation; [?]>1.85×MFR?0.213 in the case of MFR?1. Such an ethylene (co)polymer can be usable for various molding applications and especially suitable for pipes.Type: GrantFiled: August 26, 2005Date of Patent: July 21, 2009Assignee: Mitsui Chemicals, Inc.Inventors: Mamoru Takahashi, Tetsuji Kasai, Junji Saito, Naoto Matsukawa, Kazutaka Tsuru, Makoto Mitani, Terunori Fujita, Shiro Otsuzuki, Tetsuhiro Matsumoto, Toshiyuki Tsutsui