Solid Polymer Derived From Sulfur-containing Reactant Patents (Class 525/535)
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Patent number: 8338547Abstract: To provide a structure material having excellent mechanical characteristics and a functional material having excellent regularity, provided are a polymer alloy which is composed of at least two components of thermoplastic resins and of which the structure can be controlled finely and evenly dispersed and a production method of the polymer alloy. With respect to a polymer alloy composed of at least two or more components of thermoplastic resins, a precursor (A) of at least one thermoplastic resin among the thermoplastic resin components composing the polymer alloy is chemically reacted in the co-presence of the remaining thermoplastic resin component (B1) and/or a precursor (B2) of the thermoplastic resin component to induce spinodal decomposition, so that it is made possible to obtain a polymer alloy having excellent regularity and of which the structure is finely controllable and the structure is evenly dispersed.Type: GrantFiled: September 18, 2008Date of Patent: December 25, 2012Assignee: Toray Industries, Inc.Inventors: Hiroshi Takahashi, Sadayuki Kobayashi
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Patent number: 8338546Abstract: The present invention relates to a polythiophene-based conductive polymer composition having high conductivity, transparency, waterproof property and durability, and a polymer membrane prepared by using the same. In particular, the present invention relates to a polythiophene-based conductive polymer composition comprising an aqueous solution of a polythiophene-based conductive polymer, an alcohol-based organic solvent, an amide-based organic solvent or an aprotic highly-dipolar solvent, a melamine resin and a binder selected among a polyester, a polyurethane resin and an alkoxy silane in a predetermined mixed ratio. The membrane prepared using the same has a high conductivity of less than 1 k?/m2 and a high transparency of higher than 95%, thus being applicable to of an anti-static film, a film for touch panel, a film for higher or lower electrode, a film for inorganic EL and a film for display electrode.Type: GrantFiled: February 21, 2007Date of Patent: December 25, 2012Assignee: SKC Co., Ltd.Inventors: Jin Hwan Kim, Dae Gi Ryu, Yong Lae Yi, Jong Ho Park
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Patent number: 8329876Abstract: The invention provides reagents and methods for conjugating a polymer specifically to the ?-amine of a polypeptide. The invention provides monofunctional, bifunctional, and multifunctional PEGs and related polymers having a terminal thioester moiety capable of specifically conjugating to the ?-amine of a polypeptide having a cysteine or histidine residue at the N-terminus. The invention provides reactive thioester-terminated PEG polymers that have suitable reactivity with an N-terminal cysteine or histidine residue of a polypeptide to produce an amide bond between the PEG molecule and the polypeptide.Type: GrantFiled: October 26, 2011Date of Patent: December 11, 2012Assignee: Nektar TherapeuticsInventors: Michael J. Roberts, Zhihao Fang
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Patent number: 8329832Abstract: A method for producing a cyclic polyarylene sulfide, wherein a cyclic polyarylene sulfide is produced by heating a reaction mixture which is composed of at least a linear polyarylene sulfide (a), a sulfidizing agent (b), a dihalogenated aromatic compound (c) and an organic polar solvent (d). This method for producing a cyclic polyarylene sulfide is characterized in that not less than 1.25 liters of the organic polar solvent is used per 1 mole of the sulfur content in the reaction mixture. This method enables to efficiently produce a cyclic polyarylene sulfide, more specifically cyclic oligoarylene sulfide by an economical and simple process in short time.Type: GrantFiled: February 27, 2008Date of Patent: December 11, 2012Assignee: Toray Industries, Inc.Inventors: Shunsuke Horiuchi, Kohei Yamashita, Kayo Tsuchiya, Koji Yamauchi
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Patent number: 8318849Abstract: A high solids, non-aqueous dispersion, clearcoat composition is disclosed, comprising a functional polymer selected from the group consisting of a) carbamate-functional polymers and b) hydroxyl-functional polymers; c) a curing agent selected from the group consisting of aminoplast resins and blocked polyisocyanates; and d) a weak non-polar solvent, wherein the coating is high solids, substantially clear and transparent, and further comprises a dispersed phase and a continuous phase.Type: GrantFiled: April 21, 2006Date of Patent: November 27, 2012Assignee: BASF Coatings GmbHInventors: Marvin L. Green, Donald H. Campbell
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Publication number: 20120289657Abstract: The present invention relates to an innovative method for controlling the viscosity of, for example, adhesives or coating formulations. The method for controlling viscosity allows very rapid thermoplastic curing of a formulation even at room temperature and a significant reduction in the viscosity at higher temperatures, thereby regaining the capacity for simple processing and allowing, for example, the originally bonded substrates to be separated from one another again with ease. A particular aspect in this context is that a plurality of cycles of thermoplastic curing and a significant reduction in the viscosity are possible with the present system.Type: ApplicationFiled: January 4, 2011Publication date: November 15, 2012Applicant: Evonik Roehm GmbHInventors: Stefan Hilf, Friedrich Georg Schmidt, Andre Hennig, Simon Krause, Christopher Barner-Kowollik, Andrew John Inglis, Leena Nebhani
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Patent number: 8308699Abstract: Substrates, optionally coated with an undercoating, having grafted thereto one or more non-fouling materials are described herein. The non-fouling, polymeric material can be grafted to a variety of functionalized substrate materials, particularly polymeric substrates and/or polymeric undercoatings immobilized on a substrate. The compositions described herein are highly resistant protein absorption, particularly in complex media and retain a high degree of non-fouling activity over long periods of time. The compositions described herein may also demonstrate antimicrobial and/or anti-thrombogenic activity. The non-fouling material can be grafted to a functionalized substrate, or optionally from an undercoating on the substrate, preferably without significantly affecting the mechanical and/or physical properties of the substrate material.Type: GrantFiled: December 7, 2009Date of Patent: November 13, 2012Assignee: Semprus Biosciences Corp.Inventors: Zheng Zhang, Chad Huval, William Shannan O'Shaughnessey, Michael Hencke, Trevor Squier, Jun Li, Michael Bouchard, Christopher R. Loose
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Patent number: 8309637Abstract: The present disclosure relates to a composition with improved flame resistance, to articles made from the composition, and to methods that include processing the composition. The composition can include from 15 to 85 percent by weight of a polyetherimide (PEI), from 15 to 85 percent by weight of a polyphenylsulfone (PPSU), a polyetherimide-siloxane copolymer in an amount up to 12 percent by weight, and from 0 to 0.30 percent by weight of a stabilizer.Type: GrantFiled: August 11, 2011Date of Patent: November 13, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Mark Sanner, Robert Russell Gallucci, Rajendra K. Singh
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Publication number: 20120279569Abstract: New monomers, polymers, and blends of polymers with an electron acceptor are provided, e.g., for use in a photovoltaic device. The electron acceptor can be a fullerene derivative and the polymer can comprise monomer units according to the formula: wherein L? is L-C(O)O-J, L-C(O)NR?-J, L-OCO-J?, L-NR?CO-J?, L-SCO-J?, L-O-J, L-S-J, L-Se-J, L-NR?-J or L-CN; L is a linear or branched alkylene group having from 1 to 10 carbon atoms; J is a hydrogen atom or a linear or branched alkyl group having from 1 to 4 carbon atoms; J? is a group having from 1 to 10 carbon atoms, being saturated or unsaturated, linear or branched, optionally comprising a phenyl unit; and R? is a hydrogen atom or a linear or branched alkyl group having from 1 to 4 carbon atoms.Type: ApplicationFiled: June 8, 2012Publication date: November 8, 2012Applicants: Universiteit Hasselt, IIMECInventors: Laurence Lutsen, Dirk Vanderzande, Bert Campo
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Publication number: 20120277383Abstract: A method increases the toughness of a material obtained by curing a composition that includes at least one vinyl ester monomer. The method includes the incorporation into the composition of a sulfonated polyaromatic thermoplastic polymer, which is achieved by dissolving the vinyl ester monomer and the thermoplastic polymer in a reactive diluent in which they are both soluble. The resulting curable composition includes at least one vinyl ester monomer, and very high toughness materials can be made from it. A curable composition can include at least one vinyl ester monomer, a sulfonated polyaromatic thermoplastic polymer and a N-vinyl lactam. The compositions can be used in the aeronautical, space, railway, nautical, automotive industries, arms and other industries.Type: ApplicationFiled: October 8, 2010Publication date: November 1, 2012Applicants: ASTRIUM SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE REIMS CHAMPAGNE-ARDENNEInventors: Mickael Krzeminski, Brigitte Defoort, Xavier Coqueret
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Patent number: 8298685Abstract: Disclosed is a block copolymer characterized by containing a block (A) containing two or more different repeating units respectively composed of a specific divalent heterocyclic group, and a repeating unit composed of an arylene group, and a block (B) containing a repeating unit composed of an arylene group and a repeating unit composed of a divalent aromatic amine residue. Also disclosed are a composition containing a solvent, a light-emitting material other than the block copolymer, a hole-transporting material other than the block copolymer, an electron-transporting material other than the block copolymer or a combination of two or more of them, in addition to the block copolymer; a light-emitting thin film characterized by containing the block copolymer; and a polymer light-emitting device characterized by having an anode, a cathode and an organic layer containing the block copolymer and arranged between the anode and the cathode.Type: GrantFiled: February 1, 2008Date of Patent: October 30, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Shota Moriwaki, Hidenobu Kakimoto, Tomoya Nakatani
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Patent number: 8293138Abstract: A partially sulfonated polybenzimidazole based polymer for fuel cell membrane is prepared by copolymerizing monomers of 3,3?-diaminobenzidine, isophthalic acid and 5-sulfoisophthalic acid to obtain a partially sulfonated polybenzimidazole, and doping the partially sulfonated polybenzimidazole with inorganic acid.Type: GrantFiled: December 19, 2007Date of Patent: October 23, 2012Assignee: Korea Institute of Science and TechnologyInventors: Hyoung-Juhn Kim, Jeung Woo Lee, Tae-Hoon Lim, Suk Woo Nam, Seong-Ahn Hong, In-Hwan Oh, Hyung Chul Ham, Sang-Yeop Lee
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Patent number: 8293851Abstract: A sulfonated copolymer including a crosslinking functional group and a fuel cell including a polymer composition of the same are provided. The sulfonated copolymer including a crosslinking functional group can remarkably reduce methanol crossover and maintain superior dimensional stability and ionic conductivity by reducing swelling.Type: GrantFiled: April 29, 2011Date of Patent: October 23, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Jun Lee, Do-yun Kim, Sang-kook Mah
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Publication number: 20120259064Abstract: The invention provides new polymeric or oligomeric active agents with a biocidal effect. Such particularly advantageous polymeric or oligomeric active agents with a biocidal effect are obtainable via polycondensation of a guanidine acid addition salt with an amine mixture comprising at least one diamine and/or one triamine, wherein at least one amine is selected from the group comprising i) diamine, comprising at least one cycloaliphatic residue, and ii) dialkylenetriamine. At least one amine is hereby preferably selected from 4,4?-methylenebis(cyclohexylamine) and diethylenetriamine. Furthermore, it is favorable if the guanidine acid addition salt is guanidinehydrochloride.Type: ApplicationFiled: November 12, 2010Publication date: October 11, 2012Inventors: Andreas Greiner, Seema Agarwal, Claudia Mattheis
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Publication number: 20120238707Abstract: Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.Type: ApplicationFiled: March 18, 2011Publication date: September 20, 2012Applicant: PRC-DESOTO INTERNATIONAL, INC.Inventors: Stephen J. Hobbs, Gregory J. McCollum, Lawrence G. Anderson, Renhe Lin
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Patent number: 8268934Abstract: Methods of making miscible and compatible immiscible polymer blends are disclosed. The polymer blends have a polyimide as a component. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures.Type: GrantFiled: November 22, 2006Date of Patent: September 18, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Robert Russell Gallucci, Tara Mullen, Roy Odle, Kapil Chandrakant Sheth, James M. White
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Patent number: 8227567Abstract: Disclosed herein are precursor polymers containing units of heteroaryls and units of Si, Sn, Ge, or Pb, methods of producing the precursor polymers, and applications utilizing these precursor polymers to prepare conductive polymers.Type: GrantFiled: February 16, 2007Date of Patent: July 24, 2012Assignee: University of ConnecticutInventor: Gregory A. Sotzing
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Publication number: 20120183810Abstract: The present invention provides a compound represented by the Formula I: Wherein substituents R16, R17 and R17? are each independently selected from an electron withdrawing group having a Hammett ?p value of from 0.05 to 0.85, provided that one of R16 and R17 is hydrogen.Type: ApplicationFiled: October 5, 2011Publication date: July 19, 2012Applicant: TRANSITIONS OPTICAL, INC.Inventor: Anu Chopra
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Patent number: 8221862Abstract: A polyphenylene sulfide resin composition including 100 parts by weight of a resin composition that consists of 99 to 60 wt % of a polyphenylene sulfide resin (a), and 1 to 40 wt % of at least one type of noncrystalline resin (b) selected from the group consisting of polyetherimide resin and polyether sulfone resin and 0.1 to 10 parts by weight of a compound (c) containing at least one group selected from epoxy group, amino group and isocyanate group, wherein the non-crystalline resin (b) forms an island phase and the number-average dispersed particle size of the noncrystalline resin (b) is 1,000 nm or less.Type: GrantFiled: March 14, 2007Date of Patent: July 17, 2012Assignee: Toray Industries, Inc.Inventors: Kei Saitoh, Naoya Nakamura, Atsushi Ishio
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Patent number: 8217123Abstract: Disclosed are water soluble polymeric reagents comprising the structure POLY-[Y—S—W]x, where POLY is a water soluble polymer; Y is a hydrocarbon-based spacer group, x is 1 to 25, and S—W is a thiol, protected thiol, or thiol-reactive derivative. Preferably, the water soluble polymer is a PEG polymer. Also disclosed are conjugates of such polymeric reagents with pharmaceutically relevant molecules, and methods of their formation and use.Type: GrantFiled: November 10, 2010Date of Patent: July 10, 2012Assignee: Nektar TherapeuticsInventors: Antoni Kozlowski, Samuel P. McManus
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Patent number: 8216487Abstract: The invention relates to a copolymer of ethylene oxide or propylene oxide and at least one substituted oxirane bearing an ionic group. The copolymer is characterized in that its chain comprises repeat units —O—CH2—CH(—CH2—O—SO3?Li+)—, repeat units —O—CH2—CHR— in which R is H or CH3, optionally, repeat units —O—CH2—CH(—CH2R?)— in which R? is a functional group. x Uses: electrolyte in electrochemical, selective-membrane and reference-membrane devices.Type: GrantFiled: February 9, 2006Date of Patent: July 10, 2012Assignee: BatscapInventors: Jean-Yves Sanchez, Marc Deschamps, Fannie Alloin, Christophe Chauvin, Cristina Iojoiu
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Publication number: 20120172467Abstract: The invention relates to a flame retardant comprising a) at least one sulfur compound of the formula (I) b) at least one halogen-free organophosphorus compound with phosphorus content in the range from 0.5 to 40% by weight, based on the phosphorus compound.Type: ApplicationFiled: December 23, 2011Publication date: July 5, 2012Applicant: BASF SEInventors: Ingo Bellin, Patrick Spies, Sabine Fuchs, Christoph Fleckenstein, Peter Deglmann, Maximilian Hofmann, Rainer Ostermann, Klaus Hahn, Hartmut Denecke, Klemens Massonne, Geert Janssens, Manfred Döring, Ciesielski Michael, Jochen Wagner
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Patent number: 8211576Abstract: A block copolymer comprising at least one segment having an acid group which is represented by the following formula (1) and at least one segment substantially free from acid groups which comprises repeating units represented by the following formula (2) is provided: (wherein, m represents an integer of 10 or more, Ar1, Ar2 and Ar3 represent each independently a divalent aromatic group which is optionally substituted by an alkyl group having 1 to 10 carbon atoms, alkoxy group having 1 to 10 carbon atoms, aryl group having 6 to 10 carbon atoms or aryloxy group having 6 to 10 carbon atoms, at least one of Ar1 and Ar2 having an acid group, and Ar3 may have an acid group or may be free from acid groups. Y represents —CO— or —SO2—, and Y's may be different from each other.Type: GrantFiled: September 24, 2004Date of Patent: July 3, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Toru Onodera, Shigeru Sasaki, Daizaburo Yashiki
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Patent number: 8211969Abstract: A dispersion includes non-chemically modified carbon nanotubes, a soluble block copolymer providing at least one block of a conjugated polymer and at least one block of a non-conjugated polymer, and at least one solvent. At 25° C. exclusive of any mechanical force and after one hour, at least 90% of the carbon nanotubes exist in the dispersion as isolated carbon nanotubes. The components of the dispersion can be combined with a polymer miscible with the block copolymer to form a carbon nanotube polymer composite upon removal of the solvent. The dispersion can be cast on a substrate and then dried to form a coating, including forming a superhydrophobic coating on the substrate. The non-conjugated polymer of the block copolymer or another miscible conjugated polymer including a copolymer can include functionalities that non-covalently attach to the carbon nanotube surface, such as for enhanced solubility or enhanced biocompatibility.Type: GrantFiled: October 10, 2008Date of Patent: July 3, 2012Assignee: University of Central Florida Research Foundation, Inc.Inventors: Jianhua Zou, Lei Zhai, Qun Huo
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Publication number: 20120165467Abstract: The invention relates to novel polyelectrolyte complexes of a functionalised polysulphone and a conductive polymer and to the use thereof.Type: ApplicationFiled: June 30, 2010Publication date: June 28, 2012Inventors: Wilfried Lövenich, Andreas Elschner
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Publication number: 20120164556Abstract: Crosslinked polybenzoxazines obtained by crosslinking a monofunctional first benzoxazine monomer and a multifunctional second benzoxazine monomer with a crosslinkable compound, an electrolyte membrane including the same, a method of preparing the electrolyte membrane, a fuel cell including the electrolyte membrane having the crosslinked polybenzoxazines using the method. The crosslinked polybenzoxazines have strong acid trapping capability, improved mechanical properties, and excellent chemical stability as it does not melt in polyphosphoric acid. Even as the amount of impregnated proton carrier and the temperature are increased, mechanical and chemical stability is highly maintained, and thus the electrolyte membrane can be effectively used for fuel cells at a high temperature.Type: ApplicationFiled: February 28, 2012Publication date: June 28, 2012Applicant: SAMSUNG SDI CO., LTD.Inventors: Seong-woo CHOI, Hee-young SUN, Woo-sung JEON
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Publication number: 20120148774Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.Type: ApplicationFiled: December 12, 2011Publication date: June 14, 2012Applicant: Interface Biologics Inc.Inventors: Sanjoy MULLICK, Weilun CHANG, Alexandra PIOTROWICZ, Jeannette HO, Richard WITMEYER
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Patent number: 8197937Abstract: An intermediate transfer media, such as a belt, that includes a polyaniline grafted to or chemically bonded to a perfluoropolyether phosphoric acid polymer.Type: GrantFiled: March 30, 2009Date of Patent: June 12, 2012Assignee: Xerox CorporationInventor: Jin Wu
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Patent number: 8198368Abstract: Cleavable, disulfide-coupled block copolymers as can be used in the preparation of nanoporous thin films, micellar configurations and related structures.Type: GrantFiled: October 17, 2008Date of Patent: June 12, 2012Assignee: University of MassachusettsInventors: Sankaran Thayumanavan, Akamol Klaikherd, Suhrit Ghosh
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Patent number: 8183319Abstract: An aqueous dispersion including a partially fluorinated dispersant, an electrically conductive polymer and a film forming additive. The film forming additive includes a boiling temperature greater than about 85° C. (185° F.). In addition, the concentration of the film forming additive is less than the solubility limit of the additive in water. The dynamic surface tension of the dispersion including the film forming additive is less than about 60 dynes/cm at 100 ms surface age. A method for making an electrically conductive polymer film and devices including electrically conductive polymer film are also disclosed.Type: GrantFiled: October 9, 2008Date of Patent: May 22, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Gang Chris Han-Adebekun, Thomas John Markley, Michael Scott Lowry
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Publication number: 20120097938Abstract: The present invention relates to polymers comprising structural units which contain alkylalkoxy groups, and blends which comprise the polymers according to the invention. The invention is also directed to the use of the polymers and blends according to the invention in opto-electronic devices and to these devices themselves.Type: ApplicationFiled: June 1, 2010Publication date: April 26, 2012Applicant: MERCK PATENT GMBHInventors: Frank Egon Meyer, Niels Schulte, Anna Hayer, Aurélie Ludemann, Rémi Manouk Anémian
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Patent number: 8153229Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which serves as a matrix resin for a prepreg. This epoxy resin composition is improved in tackiness stability during storage, while maintaining mechanical characteristics. The epoxy resin composition for fiber-reinforced composite materials is characterized by containing 25 to 50 parts by weight of an amine curing agent (B) selected from aliphatic polyamines, alicyclic polyamines and aromatic polyamines, and 1 to 20 parts by weight of an organic acid dihydrazide compound (C) having a melting point of not less than 150° C., per 100 parts by weight of an epoxy resin (A).Type: GrantFiled: April 24, 2007Date of Patent: April 10, 2012Assignee: The Yokohama Rubber Co., Ltd.Inventors: Takashi Kousaka, Mitsuhiro Iwata, Tomohiro Ito
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Patent number: 8142899Abstract: To provide a heat-resistant resin composition which has excellent heat resistance, does not show a reduced mechanical strength such as flexural strength even after being passed rough a reflow furnace and heat-treated under high temperature conditions, and also has an excellent flame retardancy; a production method of the heat-resistant resin composition; a heat-resistant resin-molded article; and a surface mount electronic component. The heat-resistant resin composition includes a polyarylene sulfide resin (A) and an aromatic polyamide (B) having terephthalic acid amide as an essential structural unit at a former/latter ratio of 70/30 to 95/5 by mass. In a molded article composed of the heat-resistant resin composition, the average diameter of holes formed by etching a broken-out section of the molded article with an organic solvent is 0.1 to 1.0 ?m, where the broken-out section is observed on a scanning electron microscope (2,500 times).Type: GrantFiled: December 26, 2006Date of Patent: March 27, 2012Assignee: DIC CorporationInventor: Yasuyuki Yoshino
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Patent number: 8142875Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which serves as a matrix resin composition for use in a self-adhesive prepreg for a face sheet of a honeycomb panel. The epoxy resin composition enables to increase self-adhesiveness of the prepreg, while improving workability and appearance quality of the prepreg. The epoxy resin composition is characterized by containing: an epoxy resin (A) which is in a liquid state at room temperature; a thermoplastic resin (B) which dissolves in the epoxy resin (A) at a temperature not less than 90° C.; thermosetting resin particles (C) which do not completely dissolve in the epoxy resin (A) at a temperature less than 90° C. and has a softening point of not less than 120° C.; and a curing agent (D).Type: GrantFiled: April 24, 2007Date of Patent: March 27, 2012Assignee: The Yokohama Rubber Co., Ltd.Inventors: Takashi Kousaka, Mitsuhiro Iwata, Tomohiro Ito
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Patent number: 8138278Abstract: A composition comprising a reaction product of reactants comprising (a) a compound comprising (i) a polysulfide moiety and (ii) an oxygen atom in a ?-position to a sulfur link having the formula: where each R is independently selected from H or a C1 to C20 organyl group, R? is independently selected from a C1 to C20 organyl group, R?? is independently selected from H or a C1 to C20 organyl group, and x has an average of greater than 2, (b) a compound comprising a nucleophilic moiety; and (c) a compound comprising a moiety reactive to active hydrogen.Type: GrantFiled: June 25, 2010Date of Patent: March 20, 2012Assignee: POLYMERight, Inc.Inventors: Leonid Rappoport, Alexander Vainer, Aleksander Yam
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Patent number: 8138279Abstract: A biaxially oriented polyarylene sulfide film made of a polyarylene sulfide resin composition has a melt crystallization temperature of not lower than 160° C. and not higher than 220° C. The biaxially oriented polyarylene sulfide film contains 70 to 99 parts by weight of the polyarylene sulfide and 1 to 30 parts by weight of thermoplastic resin A; the thermoplastic resin A constitutes a dispersed phase having an average dispersion diameter of 50 nm to 500 nm. The biaxially oriented polyarylene sulfide film has a breaking stress at 200° C. in the machine direction and/or transverse direction of not less than 30 MPa and not more than 90 MPa and has an elongation at break at 200° C. in the machine direction and/or transverse direction of not less than 100% and not more than 250%.Type: GrantFiled: May 9, 2007Date of Patent: March 20, 2012Assignee: Toray Industries, Inc.Inventors: Tetsuya Machida, Masatoshi Ohkura, Yasuyuki Imanishi, Takuji Higashioji
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Patent number: 8137786Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which is improved in toughness necessary for improving the strength of self-adhesion of a matrix resin for use in a prepreg for a face sheet of a honeycomb panel. The epoxy resin composition, which comprises: an epoxy resin (A); a thermoplastic resin (B); fine solid resin particles (C); and a curing agent (D), is characterized in that the epoxy resin composition after being cured has a morphology in which the epoxy resin (A) and the thermoplastic resin (B) form co-continuous phases, and the fine solid resin particles (C) are dispersed in at least the continuous phase of the epoxy resin (A) in the co-continuous phases.Type: GrantFiled: April 24, 2007Date of Patent: March 20, 2012Assignee: The Yokohama Rubber Co., Ltd.Inventors: Takashi Kousaka, Tomohiro Ito, Mitsuhiro Iwata, Koichiro Miyoshi
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Patent number: 8133707Abstract: Methods for preparing substantially non-antigenic polymers having lone electron pair-containing moieties in high purity are disclosed. The polymers are useful as intermediates for synthesis of amine-based polymers and in the formation of activated polymers for conjugation with nucleophiles. Conjugates and methods of preparation and treatment with the conjugates are also disclosed. The resultant polymer-amines are of sufficient purity so that expensive and time consuming purification steps required for pharmaceutical grade polymers are avoided.Type: GrantFiled: January 17, 2006Date of Patent: March 13, 2012Assignee: Enzon Pharmaceuticals, Inc.Inventors: Hong Zhao, Dechun Wu
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Publication number: 20120049308Abstract: A polymer containing a triazine ring-containing repeating unit structure represented by, for example, formula (23) or (24), which alone can achieve high heat resistance, high transparency, high refraction index, high solubility and low volume shrinkage, without adding a metal oxide.Type: ApplicationFiled: May 6, 2010Publication date: March 1, 2012Inventors: Naoya Nishimura, Taku Kato, Masaaki Ozawa, Masahiro Hida, Yasuyuki Koide
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Publication number: 20120037397Abstract: The present invention relates to a crosslinked polymer containing polyphenylene sulfide (PSS) and an impact modifier, and its use as cable coverings, such as jacket or insulation. The composition contains a crosslinked polymer containing of polyphenylene sulfide (PPS) and an impact modifier. Preferably, the impact modifier is present at about 20-50 percent (by weight of the total composition), preferably about 20-30 percent; and PPS is present at about 50-80 percent (by weight of the total composition), preferably about 70-80 percent. It is preferred that the polymer is crosslinked using irradiation.Type: ApplicationFiled: August 10, 2010Publication date: February 16, 2012Applicant: GENERAL CABLE TECHNOLOGIES CORPORATIONInventor: Vijay MHETAR
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Patent number: 8110639Abstract: A polysulfone having a first polyphenylene sulfone unit (i.e. PPSU unit) based on one biphenol group and one diphenyl sulfone group and a second sulfone unit (i.e. PSU-AF unit) based on one hexafluorobisphenol A group and one diphenylsulfone group. The polysulfone is transparent and has a total heat release and peak heat release of less than 65 kW·min/m2 and 65 kW/m2, respectively. Compositions containing the polysulfone and articles made by molding and/or extruding the polysulfone.Type: GrantFiled: May 14, 2009Date of Patent: February 7, 2012Assignee: Solvay Advanced Polymers, L.L.C.Inventors: Thomas H. Schwab, Theodore Moore
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Patent number: 8110636Abstract: Improved multi-block sulfonated poly(phenylene) copolymer compositions, methods of making the same, and their use as proton exchange membranes (PEM) in hydrogen fuel cells, direct methanol fuel cells, in electrode casting solutions and electrodes. The multi-block architecture has defined, controllable hydrophobic and hydrophilic segments. These improved membranes have better ion transport (proton conductivity) and water swelling properties.Type: GrantFiled: April 17, 2009Date of Patent: February 7, 2012Assignee: Sandia CorporationInventors: Cy H. Fujimoto, Michael Hibbs, Andrea Ambrosini
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Patent number: 8106128Abstract: Preformed compositions in shaped form comprising polymer blends, and the use of these preformed compositions in shaped form to seal apertures are disclosed. In certain embodiments, the preformed compositions are electrically conductive and are capable of shielding EMI/RFI radiation. The polymer blend includes a polysulfide component and a polythioether component.Type: GrantFiled: May 26, 2009Date of Patent: January 31, 2012Assignee: PRC DeSoto International, Inc.Inventors: Michael A. Cosman, Adrian K. Balladares
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Patent number: 8101668Abstract: This invention provides a novel graft polymer that has excellent proton conductivity, is capable of regulating hydrogen permeability, methanol permeability, and the like, and can serve as a starting material for a polymer electrolyte membrane, which facilitates moisture balance control and efficient operation of a fuel cell. A polymer electrolyte membrane composed of such graft polymer is also provided. This graft polymer comprises a main chain comprising a hydroxyl group-containing polymer and a graft chain comprising a polymer containing a sulfonic acid group-containing monomer.Type: GrantFiled: March 15, 2006Date of Patent: January 24, 2012Assignees: Toyota Jidosha Kabushiki Kaisha, Yamaguchi UniversityInventors: Shigeharu Takagi, Mitsuru Higa
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Publication number: 20120009145Abstract: A biodegradable cross-linked cationic multi-block copolymer of linear polyethylenimine (LPEI) wherein the LPEI blocks are linked together by hydrophilic linkers with a biodegradable disulfide bond and methods of making thereof. The biodegradable cross-linked cationic multi-block copolymer may also contain pendant functional moieties which are preferably receptor ligands, membrane permeating agents, endosomolytic agents, nuclear localization sequences, pH sensitive endosomolytic peptides, chromogenic or fluorescent dyes.Type: ApplicationFiled: September 20, 2011Publication date: January 12, 2012Inventors: Gregory Slobodkin, Majed Matar, Jason Fewell, Khursheed Anwer
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Patent number: 8088564Abstract: Base soluble polymer comprising at least one sulfonyl group where at least one carbon atom at ?-position and/or ?-position and/or ?-position with respect to the sulfonyl group has a hydroxyl group, where the hydroxyl group is protected or unprotected are described.Type: GrantFiled: November 3, 2008Date of Patent: January 3, 2012Assignee: AZ Electronic Materials USA Corp.Inventors: David Abdallah, Francis Houlihan
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Patent number: 8076420Abstract: Dimercaptan terminated polythioether polymers are disclosed, as are methods for making and using the same.Type: GrantFiled: November 15, 2010Date of Patent: December 13, 2011Assignee: PRC DeSoto International, IncInventors: Suresh G. Sawant, Chandra B. Rao, Michael A. Cosman
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Patent number: 8071678Abstract: The invention provides reagents and methods for conjugating a polymer specifically to the ?-amine of a polypeptide. The invention provides monofunctional, bifunctional, and multifunctional PEGs and related polymers having a terminal thioester moiety capable of specifically conjugating to the ?-amine of a polypeptide having a cysteine or histidine residue at the N-terminus. The invention provides reactive thioester-terminated PEG polymers that have suitable reactivity with an N-terminal cysteine or histidine residue of a polypeptide to produce an amide bond between the PEG molecule and the polypeptide.Type: GrantFiled: October 11, 2010Date of Patent: December 6, 2011Assignee: Nektar TherapeuticsInventors: Michael J. Roberts, Zhihao Fang
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Publication number: 20110278175Abstract: A monomer having an aniline moiety linked through nitrogen to a dithiocarbamate moiety, e.g. N—(N1,N1-diethyldithiocarbamoylethylamidoethyl)-aniline: Ph-NH—CH2—CH2—NH—CO—CH2—CH2—S—C(?S)—NEt2 can be oxidatively polymerised to produce a polyaniline bearing dithiocarbamate moieties. This can be used as an iniferter, to graft addition polymers onto it.Type: ApplicationFiled: May 12, 2011Publication date: November 17, 2011Inventors: Michael James WHITCOMBE, Sergey Anatolievich Piletsky, Dhana Lakshmi, Petya Krasimirova Ivanova-Mitseva
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Patent number: 8058365Abstract: A proton conductive membrane displays sufficient proton conductivity even at low humidities and low temperatures. The proton conductive membrane includes: a block copolymer including an ion conductive polymer segment (A) and an ion nonconductive polymer segment (B), the segment (A) and the segment (B) being covalently bound in a manner such that main chain skeletons of the segments are covalently bound at aromatic rings thereof through binding groups, (i) the membrane having a morphology including a microphase separated structure, (ii) the ion conductive polymer segment (A) forming a continuous phase.Type: GrantFiled: December 8, 2004Date of Patent: November 15, 2011Assignee: JSR CorporationInventors: Junji Kawai, Yosuke Konno, Kohei Goto