Polymer Derived From Sulfur Monomer Patents (Class 525/328.5)
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Patent number: 11884757Abstract: The invention relates to biomimetic adhesive compositions emulating mussel adhesive proteins, wherein multiple chains of a copolymer are interlinked via specific hydrogen bonds and/or ligand-metal-ligand bonds, which serve as sacrificial breakable bonds upon mechanical stress and thereby effectively dissipate the mechanical energy. Accordingly, toughened adhesive compositions with improved ductility and strength may be obtained.Type: GrantFiled: December 31, 2017Date of Patent: January 30, 2024Assignee: Purdue Research FoundationInventors: Jonathan James Wilker, Michael Gabriel Mazzotta, Michael North, Amelia Putnam
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Patent number: 11046873Abstract: Embodiments of this invention relate to methods of adhering in an aqueous environment. More specifically, embodiments of this invention relate to use of a copolymer mimics of mussel adhesive proteins as a high-strength adhesive in aqueous environments.Type: GrantFiled: August 21, 2017Date of Patent: June 29, 2021Assignee: Purdue Research FoundationInventors: Jonathan James Wilker, Michael A. North, Chelsey A. Del Grosso
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Patent number: 10773253Abstract: The invention provides chemical compounds for binding to a liquid phase cation having the formula R1—SO2—S—R2—SH, wherein R1 comprises a support molecule, such as a polymer, and R2 comprises an alkyl. The polymer may be a crosslinked, polystyrene divinylbenzene copolymer having a plurality of pendant benzyl groups to which the —SO2—S—R2—SH ligand is attached. The alkyl group may be ethyl or propyl. The chemical compound may be used to complex cation lead or mercury, in which the cation is complexed with mercapto-sulfur of the thio-sulfonyl moiety and the terminal mercaptan to form a heterocyclic ring-like geometry incorporating the cation. A method for removing cations from a liquid stream using the chemical compounds of the present invention is also provided.Type: GrantFiled: July 23, 2018Date of Patent: September 15, 2020Assignee: San Jose State University Research FoundationInventors: Paul L. Frattini, Leon Yengoyan
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Patent number: 9944757Abstract: This invention relates to electrochromic copolymers having a specific color transition prepared from precursors containing Si, Ge, Sn, or Pb, methods of producing such copolymers and precursors, and applications utilizing the copolymers to prepare electrochromic devices.Type: GrantFiled: July 23, 2013Date of Patent: April 17, 2018Assignee: THE UNIVERSITY OF CONNECTICUTInventor: Gregory Allen Sotzing
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Patent number: 9701789Abstract: It is an object of the present invention to provide a sulfonic acid group-containing polymer and a sulfonic acid group-containing aromatic compound, which have excellent proton conductivity even under the low humidification condition, are excellent in mechanical strength and chemical stability and, moreover, can attain high output and excellent physical durability when processed into a solid polymer fuel cell, as well as a polymer electrolyte material, a polymer electrolyte molded product and a solid polymer fuel cell respectively using the same.Type: GrantFiled: September 6, 2012Date of Patent: July 11, 2017Assignee: TORAY INDUSTRIES, INC.Inventors: Qiao Chen, Fangke Shao, Gang Wu, Daisuke Izuhara, Hiroaki Umeda
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Organic semiconductor polymer, composition for organic semiconductor material, and photovoltaic cell
Patent number: 9246102Abstract: An organic semiconductor polymer comprising a structural unit represented by the following Formula (I), a composition for organic semiconductor material, a photovoltaic cell and a polymer. wherein Z1 and Z2 each independently represent S, O, Se or Te; R represents —SOpX, —CN, —NO2, —P(?O)(OR1,)(OR2) or —C(R1?)?C(CN)2; X represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aromatic heterocyclic group or —NR3(R4); R1, R2, R1,, R3 and R4 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aromatic heterocyclic group; R3 and R4 may bond with each other to form a ring; and p represents 1 or 2.Type: GrantFiled: September 24, 2013Date of Patent: January 26, 2016Assignee: FUJIFILM CorporationInventors: Yoshihiro Nakai, Hiroki Sugiura, Kiyoshi Takeuchi -
Publication number: 20150134048Abstract: The present invention is directed to polymeric materials comprising biodegradable, dioxanone-based copolymers and implantable devices (e.g., drug-delivery stents) formed of such materials. The polymeric materials can also contain at least one additional biocompatible moiety, at least one non-fouling moiety, at least one biobeneficial material, at least one bioactive agent, or a combination thereof. The polymeric materials are designed to improve the mechanical, physical and biological properties of implantable devices formed thereof.Type: ApplicationFiled: January 22, 2015Publication date: May 14, 2015Inventor: Ni Ding
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Publication number: 20150133584Abstract: The present invention provides compositions and methods involving the use of a carboxylate graft polymer having high molecular weight and low ratio of acid-to-polyoxyalkylene groups. Such clay-mitigation is particularly useful for treating clay and clay-bearing aggregates, particularly those aggregates used for construction purposes. The present invention minimizes the need to wash the aggregates, thus preserving fine aggregates (“fines”) content in construction materials, and thereby beneficiating the performance and/or properties of construction materials containing the clay-bearing aggregates.Type: ApplicationFiled: May 3, 2013Publication date: May 14, 2015Inventors: Lawrence Kuo, Nathan Tregger, Ho Lee, O-il Kwon
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Patent number: 8975340Abstract: An organic synthesis of materials to achieve removal of low molecular weight ionic species, such as transition metal ions including cobalt, iron, nickel, and zinc, from aqueous solutions. The synthesis includes the steps of providing a cation exchange resin, functionalizing the cation exchange resin using a chloride intermediate to form a sulfonyl chloride resin, and reacting a multi-amine based ligand with the sulfonyl chloride resin to form a sequestration resin. The synthesis further includes the steps of cooling the sequestration resin, and washing and drying the sequestration resin.Type: GrantFiled: November 23, 2011Date of Patent: March 10, 2015Assignee: Electric Power Research Institute, Inc.Inventors: Leon Yengoyan, Paul L. Frattini, Daniel Morgan Wells
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Publication number: 20150048278Abstract: Disclosed is a polymer having a chemical formula: wherein x is 10%˜90%, y is 10% to 90%, and x+y=100%; R1 is —H, —CH3, —CH2CH3, —OCH3, —O(CH2)nCH3, wherein n=1˜12, —NH2, —N(CH3)2, N(CH2)nCH3, wherein n=1˜12, —Br, —Cl, —OH, —SO3Na, —SO3H, or —SO2Cl; R2 is —H, —COOH, —COOCH3, —COO(CH2)nCH3, wherein n=1˜12, —SO3Na, —SO3H, —SO2Cl, —OH, —CONH2, —CON(CH3)2, —CON(CH2)n(CH3)2, wherein n=1˜12, —Br, or —Cl; and R3 is —SO3Na, —SO3H, —PO3H, —SO2Cl. —OH, —H, —COOH, —COOCH3, —COO(CH2)nCH3, wherein n=1˜12, —CONH2, —CON(CH3)2, —CON(CH2)n(CH3)2, wherein n=1˜12, —Br, or —Cl.Type: ApplicationFiled: August 13, 2014Publication date: February 19, 2015Inventors: Ching-Yen WEI, Gue-Wuu HWANG, Yung-Chien FU
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Patent number: 8957160Abstract: A sulfonic acid anion-containing polymer having a triarylsulfonium cation is prepared by (1) preparing a sulfonic acid anion-containing polymer having an ammonium or metal cation not bound thereto, (2) purifying the polymer by water washing or crystallization, and (3) then reacting the polymer with a triarylsulfonium salt. A resist composition comprising the inventive polymer is effective for controlling acid diffusion since the sulfonium salt is bound to the polymer backbone.Type: GrantFiled: February 15, 2013Date of Patent: February 17, 2015Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masaki Ohashi, Tomohiro Kobayashi, Masayoshi Sagehashi
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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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Publication number: 20140272428Abstract: A betaine-containing polymer film that can be formed on a substrate surface using living polymerization such as controlled radical polymerization is disclosed.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: Aculon, Inc.Inventor: Eric L. Hanson
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Publication number: 20140235794Abstract: The present invention provides a polymer composition capable of providing fibers with an enough penetration speed and enough water retention, while maintaining a favorable hue of the fibers, when used as a fiber crosslinking agent. The present invention also provides a fiber crosslinking agent and crosslinked fibers using the polymer composition. The present invention further provides a polymer composition that enhances the absorption properties of fibers and is especially useful for applications which strongly require the absorption properties, and a fiber crosslinking agent and crosslinked fibers using the polymer composition. The present invention is a polymer composition containing a poly(meth)acrylic acid polymer; and a bisulfite (salt)-added (meth)acrylic acid (salt) or a hypophosphorous acid (salt).Type: ApplicationFiled: August 30, 2012Publication date: August 21, 2014Applicant: NIPPON SHOKUBAI CO., LTD.Inventor: Shigeru Yamaguchi
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Patent number: 8802893Abstract: According to a method for producing acetic acid by carbonylation of methanol characterized in that an acid having an acid dissociation constant (pKa) smaller than the constant of acetic acid is allowed to be present in the reaction system, acetic acid can be produced by the reaction of methanol and carbon monoxide in a reaction liquid in the presence of a solid catalyst containing rhodium and alkyl iodide, to achieve an enhanced reaction rate of carbonylation of methanol in producing acetic acid in the region at a high carbonylation degree (Ca>0.8 mol/mol) for more efficient production of acetic acid.Type: GrantFiled: February 8, 2011Date of Patent: August 12, 2014Assignee: Chiyoda CorporationInventors: Zhixiong You, Takeshi Minami, Chunji Yin, Yoichi Umehara, Tetsuro Matsumura, Chikako Hashimoto, Yasuo Hosono
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Patent number: 8796399Abstract: Polyethersulfones having Tg greater than about 225° C. and a notched Izod value greater than about 1 ft-lb/in, as measured by ASTM D256, comprise from about 5 mol % to less than about 40 mol % structural units of formula 1; and from greater than about 60 mol % to about 95 mol % structural units of formula 2 wherein R1, R2, and R3 are independently at each occurrence a halogen atom, a nitro group, a cyano group, a C1-C12 aliphatic radical, C3-C12 cycloaliphatic radical, or a C3-C12 aromatic radical; n, m, q are independently at each occurrence integers from 0 to 4; and Q is a C3-C20 cycloaliphatic radical, or a C3-C20 aromatic radical.Type: GrantFiled: January 30, 2012Date of Patent: August 5, 2014Assignee: Sabic Innovative Plastics IP B.V.Inventors: Daniel Joseph Brunelle, Daniel Steiger
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Publication number: 20140211374Abstract: There is provided a conductive polymer having high conductivity with excellent heat resistance. Using the conductive polymer, there can be provided solid electrolytic capacitors having low ESR, high reliability, and less leakage current. There can be also provided conductive films having high conductivity and superior heat resistance. There is provided a conductive polymer dispersion liquid obtained by a method in which in the presence of a copolymer from styrenesulfonic acid, and at least one kind of a non-sulfonic acid monomer selected from the group consisting of methacrylate, acrylate, and an unsaturated hydrocarbon containing alkoxysilane compound or its hydrolysate, thiophene or its derivative is polymerized by oxidation polymerization in water, or in an aqueous solution comprising a mixture of water and a water miscible solvent to produce the conductive polymer dispersion liquid. Using the conductive polymer as solid electrolyte, a solid electrolyte capacitor can be provided.Type: ApplicationFiled: August 24, 2012Publication date: July 31, 2014Applicant: TAYCA CORPORATIONInventors: Ryosuke Sugihara, Kei Hirota, Kazuto Fujihara
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Publication number: 20140194557Abstract: To provide a novel polymer having an excellent non-specific adsorption inhibitory effect, a surface-hydrophilizing agent comprising the polymer, and a method for producing a substrate having a hydrophilic surface. The polymer comprises a hydrophilic repeating unit having a sulfinyl group in a side chain thereof.Type: ApplicationFiled: August 10, 2012Publication date: July 10, 2014Applicant: JSR CORPORATIONInventors: Naoki Hayashi, Toshihiro Ogawa, Shin-Ichirou Iwanaga, Kazuhiro Iso
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Patent number: 8772418Abstract: Disclosed are novel cross-linkable end-cappers for oligo- and polyamides. End-capped oligo- and polyamides comprising such an end-capper may be cured at a lower temperature compared to oligo- and polyamides end-capped with PEPA.Type: GrantFiled: October 21, 2011Date of Patent: July 8, 2014Assignee: Nexam Chemical ABInventors: Daniel Rome, David Persson, Erik Lager, Dane Momcilovic, Malin Knutsson, Jan-Erik Rosenberg
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Publication number: 20140186601Abstract: Provided is an electronic microparticle, including a first copolymer copolymerized from a first monomer and a second monomer or a second copolymer copolymerized from the first monomer, the second monomer and a third monomer. The first monomer includes an alkenyl group and excludes a sulfonic group, a carboxylic group, a hydroxyl group and an amino group. The second monomer includes an alkenyl group and further includes a sulfonic group or a carboxylic group. The third monomer includes an alkenyl group and further includes a hydroxyl group or an amino group. Either the first monomer or the second monomer has a ratio of the repeating units of the first monomer to the repeating units of the second monomer between about 200:1 and 20:1. In addition, an addition agent and a filtering membrane which include the electronic microparticle illustrated above are provided.Type: ApplicationFiled: September 10, 2013Publication date: July 3, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuei-Chien CHANG, Chun-Yu HSU
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Patent number: 8759465Abstract: A class of bioinspired, cross linking polymers, created by working catechol functionalities into the backbone of a bulk polymer, is disclosed. Varied cross linking groups may be incorporated into different polymer backbones, and subsequently reacted with an array of reagents. An adhesive composition comprising a copolymer, the copolymer comprising pendant dihydroxyphenyl groups; and a crosslinking agent selected from the group consisting of, for example, oxidants, enzymes, metals, and light. A method of preparing an adhesive composition comprising copolymerizing a first monomer comprising pendant dihydroxy-protected dihydroxyphenyl groups; deprotecting the dihydroxy-protected dihydroxyphenyl groups; crosslinking the dihydroxyphenyl groups with a crosslinking agent.Type: GrantFiled: April 21, 2008Date of Patent: June 24, 2014Assignee: Purdue Research FoundationInventors: Jonathan James Wilker, Glenn Westwood, Trinity Noel Horton
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Patent number: 8753599Abstract: A method and composition for the reduction of the emission of selenium into the environment from the burning of fossil fuels with the use of two chemistries, either individually or in combination with each other. The method uses polydithiocarbamic compounds, including polydithiocarbamic compounds derived from a polymer produced from acrylic-x and alkylamine in conjunction with a scrubber process to capture selenium and reduce its emission in aqueous phase blowdown. The method and composition also helps reduce corrosion in the scrubber process.Type: GrantFiled: February 6, 2012Date of Patent: June 17, 2014Assignee: Nalco CompanyInventors: Bruce A. Keiser, Jitendra T. Shah, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa, Rebecca L. Stiles, Richard Mimna, Wayne M. Carlson
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Patent number: 8747789Abstract: A composition comprising a polymer derived from at least two monomers: acrylic-x and an alkylamine, wherein said polymer is modified to contain a functional group capable of scavenging one or more compositions containing one or more metals is disclosed. These polymers have many uses in various mediums, including wastewater systems.Type: GrantFiled: April 6, 2010Date of Patent: June 10, 2014Assignee: Nalco CompanyInventors: Paul J. Zinn, Jitendra T. Shah, William J. Andrews
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Publication number: 20140155308Abstract: Provided herein are copolymers of a polyaminopolymer and polyanhydride, wherein the polyaminopolymer comprises a polyaminopolyolefin; and methods of their preparation.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Applicant: CHEVRON ORONITE COMPANY LLCInventors: Young Chang, Casey Stokes, David Morgan
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Publication number: 20140120321Abstract: A pressure sensitive adhesive composition, comprising a first acrylic resin having from 1% to 10% by weight of an ethylenically unsaturated monomer having a hydroxy substituent; a second acrylic resin having from 1% to 10% by weight of an ethylenically unsaturated monomer having an acidic carboxyl group; a polyisocyanate crosslinking agent; and a polyaziridine crosslinking agent or a polyepoxy crosslinking agent.Type: ApplicationFiled: March 14, 2013Publication date: May 1, 2014Inventor: Yi-Hung CHIAO
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Patent number: 8680209Abstract: The present invention provides a method for producing a stabilized fluoropolymer which comprises producing the stabilized fluoropolymer by subjecting a treatment target substance containing a sulfonic-acid-derived-group-containing fluoropolymer to a fluorination treatment, wherein the sulfonic-acid-derived-group-containing fluoropolymer is a fluoropolymer containing —SO3M (in which M represents H, NR1R2R3R4 or M11/L; R1, R2, R3 and R4 are the same or different and each represents H or an alkyl group containing 1 to 4 carbon atoms; and M1 represents an L-valent metal), and the treatment target substance has a moisture content of not higher than 500 ppm by mass.Type: GrantFiled: October 18, 2012Date of Patent: March 25, 2014Assignees: Daikin Industries, Ltd., Asahi Kasei E-Materials CorporationInventors: Eiji Honda, Hideki Iijima, Yasuhiro Hashimoto, Tadashi Ino, Tadaharu Isaka, Masahiro Kondo
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Patent number: 8623970Abstract: A diaphragm for electro-acoustic transducers, especially a diaphragm for speakers, and a film for the diaphragm excellent in the formability and the durability in high-output operation are obtained. A diaphragm for electro-acoustic transducers formed of a film that contains a polybiphenyl ether sulfone resin (A) having a specific repetitive unit or contains it and a crystalline resin (B) such as polyaryl ketone resin; and a film for use for the diaphragm.Type: GrantFiled: September 7, 2012Date of Patent: January 7, 2014Assignee: Mitsubishi Plastics, Inc.Inventor: Kouichirou Taniguchi
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Patent number: 8623971Abstract: Polyethersulfones having Tg greater than about 225° C. and a notched Izod value greater than about 1 ft-lb/in, as measured by ASTM D256, comprise from about 5 mol % to less than about 40 mol % structural units of formula 1; and from greater than about 60 mol % to about 95 mol % structural units of formula 2 wherein R1, R2, and R3 are independently at each occurrence a halogen atom, a nitro group, a cyano group, a C1-C12aliphatic radical, C3-C12cycloaliphatic radical, or a C3-C12aromatic radical; n, m, q are independently at each occurrence integers from 0 to 4; and Q is a C3-C20cycloaliphatic radical, or a C3-C20aromatic radical.Type: GrantFiled: January 30, 2012Date of Patent: January 7, 2014Assignee: Sabic Innovative Plastics IP B.V.Inventors: Daniel Joseph Brunelle, Daniel Steiger
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Patent number: 8546488Abstract: Cleavable, disulfide-coupled block copolymers as can be used in the preparation of nanoporous thin films, micellar configurations and related structures.Type: GrantFiled: May 25, 2012Date of Patent: October 1, 2013Assignee: University of MassachusettsInventors: Sankaran Thayumanavan, Akamol Klaikherd, Suhrit Ghosh
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Patent number: 8519068Abstract: The present invention relates to a 2,7-carbazole-containing polymer represented by formula 1 and an organic photovoltaic device comprising the conductive polymer as a photoelectric conversion material. The conductive polymer has high photon absorption efficiency and improved hole mobility and is prepared by introducing a specific amount of a carbazole compound either into a polymer, consisting only of a donor functional group containing one or more aromatic monomers, or into a donor-acceptor type polymer comprising a repeating acceptor group introduced into a donor functional group. The conductive polymer can be used as a photoelectric conversion material for organic thin film transistors (OTFTs) or organic light-emitting diodes (OLEDs). Furthermore, the invention provides an organic photovoltaic device comprising the carbazole-containing conductive polymer as an electron donor, and thus can achieve high photoelectric conversion efficiency in organic thin film solar cells.Type: GrantFiled: March 31, 2010Date of Patent: August 27, 2013Assignee: Korea Research Institute of Chemical TechnologyInventors: Sang Jin Moon, Won Suk Shin, Won Wook So, Hye Young Lee, Kyu Nam Kim, Sung Cheol Yoon, Chang Jin Lee
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Publication number: 20130189519Abstract: A multi-arm, star-shaped polymer composition can be configured for drug delivery and imaging applications in vivo. The star polymer architecture can be synthesized using living radical polymerization techniques, including reversible addition-fragmentation chain transfer and macromolecular design via the interchange of xanthates with a broad range of reaction conditions and functional groups. The star-shaped polymeric carriers can be tailored for preferential delivery of chemotherapeutics into the tumor-draining lymphatics via subcutaneous, peritumoral or intratumoral injections. The carriers can be loaded with the chemotherapeutic agents from about 10% to about 25% w/w. In addition, the carriers can be loaded with imaging agents from about 5% to about 10% w/w. The molecular weights of the polymeric carriers can be about 40 kDa to about 130 kDa. The chemotherapeutics can be cisplatin, geldanamycin or nitric oxide-donating prodrugs. The imaging agent can be a near-infrared dye, such as IR820.Type: ApplicationFiled: January 18, 2013Publication date: July 25, 2013Applicant: UNIVERSITY OF KANSASInventor: UNIVERSITY OF KANSAS
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Patent number: 8466226Abstract: There is provided an adhesive composition comprising (i) at least one film forming polymer, (ii) at least one crosslinker selected from the group consisting of polynitroso compounds, polynitroso precursors, and mixtures thereof, and (iii) at least one oxidizer, wherein the molar ratio of oxidizer to crosslinker is from 0.3 to 2.0. Also provided is a method of bonding substrates together using such a composition, and an article made using such a method.Type: GrantFiled: November 1, 2007Date of Patent: June 18, 2013Assignee: Rohm and Haas CompanyInventors: Dean Edward Hoy, James Patrick Weir, Lipa Leon Roitman
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Publication number: 20130146821Abstract: A material having a first non-zero elastic modulus capable of reversibly changing the first non-zero elastic modulus to a second non-zero elastic modulus in response to a redox reaction occurring in the material. A method of producing a material that is reversibly cyclable between a first non-zero elastic modulus and a second non-zero elastic modulus, comprising: preparing a polymer comprising both crosslinks that do not depend on metal binding and functional groups capable of having oxidation-state specific binding constants to a metal ion; and doping the polymer with a solution containing the metal ion.Type: ApplicationFiled: December 10, 2012Publication date: June 13, 2013Inventors: Tara Yvonne Meyer, William W. Clark, David Waldeck, Lisa Mauck Weiland, Percy Calvo-Marzal, Tianqi Pan, Rachel D. Harris, Haitao Liu
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Patent number: 8455598Abstract: In a process for producing a functionalized polyalkenamer, at least one monomer comprising a monocyclic olefin having at least one pendant alkyl group bonded thereto, wherein the pendant alkyl group has at least two carbon atoms and is substituted with a polar moiety spaced by at least one carbon atom from the monocyclic olefin, is contacted with a polymerization catalyst under conditions effective to effect ring opening polymerization of the monocyclic olefin and produce the functionalized polyalkenamer.Type: GrantFiled: August 28, 2012Date of Patent: June 4, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle
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Publication number: 20130072405Abstract: The present invention refers to the use of anionic water-soluble polymers being partially or totally neutralized with an organic counter-ion for oil filed application, especially tertiary oil recovery steps.Type: ApplicationFiled: January 26, 2011Publication date: March 21, 2013Inventors: Cédrick Favero, Nicolas Gaillard, Dennis Marroni
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Publication number: 20130053507Abstract: A hydrophobic cationic steroidal anti-microbial (ceragenin) compound forms an amphiphilic compound having a hydrophobic sterol face and a hydrophilic cationic face. The hydrophobic CSA also includes a hydrophobic substituent that gives the ceragenin compound a CLogP value of at least 6.5.Type: ApplicationFiled: July 20, 2012Publication date: February 28, 2013Inventor: Paul B. Savage
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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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Patent number: 8263712Abstract: In a process for producing a functionalized polyalkenamer, at least one monomer comprising a monocyclic olefin having at least one pendant alkyl group bonded thereto, wherein the pendant alkyl group has at least two carbon atoms and is substituted with a polar moiety spaced by at least one carbon atom from the monocyclic olefin, is contacted with a polymerization catalyst under conditions effective to effect ring opening polymerization of the monocyclic olefin and produce the functionalized polyalkenamer.Type: GrantFiled: September 2, 2008Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle
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Patent number: 8252870Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator.Type: GrantFiled: August 21, 2007Date of Patent: August 28, 2012Assignee: Dow Global Technologies LLCInventors: Raymond L. Laakso, Jr., Gary R. Marchand
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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: 20120171150Abstract: A pharmaceutical composition is provided that is useful for reducing sodium in the bloodstream of animals. In some embodiments, the pharmaceutical composition comprises a high-ion-affinity part and a substrate part. Additionally, methods of using the pharmaceutical composition and methods of treating diseases with the pharmaceutical composition are disclosed.Type: ApplicationFiled: January 5, 2011Publication date: July 5, 2012Inventor: Benjamin S. Metelits
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Publication number: 20120157634Abstract: Particulate superabsorbents based on at least one monoethylenically unsaturated monomer comprising at least one acid group, in which at least 5 mol % of the acid groups have been neutralized with at least one tertiary alkanolamine, are particularly suitable superabsorbent components of thermoplastic mixtures which are shaped by known shaping processes for thermoplastics to give shaped bodies comprising superabsorbents.Type: ApplicationFiled: August 11, 2010Publication date: June 21, 2012Applicant: BASF SEInventor: Francisco Javier Lopez Villanueva
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Publication number: 20120146264Abstract: A resin composition for laser engraving is provided that includes a low molecular weight compound containing at least one type of polymerizable group selected from the group consisting of an ethylenically unsaturated group, an epoxy group, an oxetanyl group, a hydrolyzable silyl group, and a silanol group and further containing a sulfonamide group, a low molecular weight compound containing a residue selected from the group consisting of a maleimide group, a succinimide group, and a phthalimide group, or a polymer compound containing a constituent unit derived from a compound containing a maleimide group or a constituent unit containing a sulfonamide group.Type: ApplicationFiled: December 9, 2011Publication date: June 14, 2012Applicant: FUJIFILM CORPORATIONInventor: Takashi KAWASHIMA
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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: 8173999Abstract: A method is provided for modifying a poly(arylene vinylene) or poly(heteroarylene vinylene) precursor polymer having dithiocarbamate moieties by reacting it with an acid and further optionally reacting the acid-modified polymer with a nucleophillic agent. Also provided are novel polymers and copolymers bearing nucleophillic side groups which are useful as components of electronic devices, e.g. in the form of thin layers.Type: GrantFiled: July 31, 2008Date of Patent: May 8, 2012Assignees: IMEC, Universiteit HasseltInventors: Laurence Lutsen, Dirk Vanderzande, Fateme Banishoeib
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Patent number: 8173267Abstract: A method is provided for modifying a poly(arylene vinylene) or poly(heteroarylene vinylene) precursor polymer having dithiocarbamate moieties by reacting it with an acid and further optionally reacting the acid-modified polymer with a nucleophilic agent. Also provided are novel polymers and copolymers bearing nucleophilic side groups which are useful as components of electronic devices, e.g. in the form of thin layers.Type: GrantFiled: February 5, 2008Date of Patent: May 8, 2012Assignees: IMEC, Universiteit HasseltInventors: Laurence Lutsen, Dirk Vandezande, Fateme Banishoeib
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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: 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: 8106135Abstract: Polyethersulfones having Tg greater than about 225° C. and a notched Izod value greater than about 1 ft-lb/in, as measured by ASTM D256, comprise from about 5 mol % to less than about 40 mol % structural units of formula 1; and from greater than about 60 mol % to about 95 mol % structural units of formula 2 wherein R1, R2, and R3 are independently at each occurrence a halogen atom, a nitro group, a cyano group, a C1-C12 aliphatic radical, C3-C12 cycloaliphatic radical, or a C3-C12 aromatic radical; n, m, q are independently at each occurrence integers from 0 to 4; and Q is a C3-C20 cycloaliphatic radical, or a C3-C20 aromatic radical.Type: GrantFiled: October 24, 2006Date of Patent: January 31, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Daniel Joseph Brunelle, Daniel Steiger
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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