Search Patents
  • Patent number: 9458380
    Abstract: A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently from each other H, C1-C8-alkyl, C4-C8-cycloalkyl, phenyl, C1-C4-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR?1, —C(=0)-N(R?2)(R?3), —CN, phenyl, which is unsubstituted or substituted by one or more C1-C8-alkyl, C4-C8-alkoxy, C5-C7-cycloalkyl or halogen, —H or —S02-phenyl; when n is 2 A is —C(=0)-O—Z1—O—C(=0)-, —C(=0)-N(R?1)—Z2—N(R?2)—C(=0)- or piperazine-N,N?-biscarbonyl.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: October 4, 2016
    Assignee: BASF SE
    Inventors: Walter Fischer, Abdel-Ilah Basbas, Kai-Uwe Schoning, Cinzia Tartarini, Werner Holzl, Bruno Rotzinger
  • Patent number: 9458305
    Abstract: A method includes heating a sulfonated polyester resin in an organic-free solvent adding an aqueous solution of silver (I) ion to the heated resin to form a mixture and heating the mixture to effect the reduction of silver (I) ion to silver (0) in the absence of an external reducing agent. A composite includes a sulfonated polyester matrix and a plurality of silver nanoparticles dispersed within the matrix; the composite lacks trace residual byproducts from external reducing agents.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: October 4, 2016
    Assignee: XEROX CORPORATION
    Inventors: Valerie M. Farrugia, Alana Desouza, Sandra J. Gardner
  • Patent number: 9453164
    Abstract: The invention relates to a horizontal liquid crystal alignment agent which provides a polymer (A) and a solvent (B). The polymer (A) is obtained by reacting a mixture comprising a tetracarboxylic acid dianhydride component (a) and a diamine component (b). The invention also provides a liquid crystal alignment film made by the liquid crystal alignment agent as mentioned above and a liquid crystal display element having the liquid crystal alignment film. The liquid crystal alignment film has high rubbing resistance.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: September 27, 2016
    Assignee: CHI MEI CORPORATION
    Inventor: Li-Tao Hsu
  • Patent number: 9453106
    Abstract: Disclosed are scratch-resistant, transparent and tough copolyamide molding compounds distinguished by high scratch-resistance, excellent transparency and great toughness, which are suitable for producing transparent moulded articles or transparent coatings. The molding compounds are obtained by polycondensation of a carboxylic acid mixture including at least one aliphatic dicarboxylic acid and at least one aromatic dicarboxylic acid with at least one cycloaliphatic diamine. Also disclosed are molded parts or coatings produced from the copolyamide compounds.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: September 27, 2016
    Assignee: EMS-PATENT AG
    Inventor: Friedrich Severin Buhler
  • Patent number: 9446627
    Abstract: An object of the present invention is to provide a rubber composition for a sidewall having excellent conductivity, anti-spew cutting property and extrusion processability in good balance and assuring low production cost. The present invention provides a rubber composition for a sidewall comprising 2 to 15 parts by mass of a wet processed silica having a BET specific surface area of 70 to 250 m2/g and 40 to 62 parts by mass of a carbon black having a BET specific surface area of 37 to 125 m2/g based on 100 parts by mass of a diene rubber component, wherein the rubber composition does not contain a silane coupling agent, and has a volume resistivity of not more than 1×108 ?·cm.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: September 20, 2016
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Tatsuya Miyazaki
  • Patent number: 9428644
    Abstract: Disclosed are an ASA graft copolymer having a structure including a seed which comprises at least one compound of an aromatic vinyl compound, a vinyl cyan compound and an alkyl (meth)acrylate compound, a core which surrounds the seed and comprises alkyl acrylate, and a shell which surrounds the core, comprises an aromatic vinyl compound, a vinyl cyan compound and a crosslinking agent, and having suitably controlled thicknesses and refractive indexes of the respective layers, and an ASA graft copolymer composition comprising the ASA graft copolymer.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: August 30, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Min Jung Kim, Yong Yeon Hwang, Chun Ho Park, Hye Kyung Han, Sang Mi Lee
  • Patent number: 9428744
    Abstract: The present invention relates to a process for preparing a polymer/biological entities alloy, comprising a step of mixing a polymer and biological entities that degrade it, during a heat treatment, said heat treatment being performed at a temperature T above room temperature and said biological entities being resistant to said temperature T, characterized in that said biological entities are chosen from enzymes that degrade said polymer and microorganisms that degrade said polymer.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 30, 2016
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, UNIVERSITE DE POITIERS, VALAGRO CARBONE RENOUVELABLE POITOU—CHARENTES
    Inventors: Thierry Ferreira, Frederic Bataille, Cedric Dever, Jacques Barbier
  • Patent number: 9428671
    Abstract: An exemplary embodiment of the present invention provides starch-based hot melt adhesive comprised of a composition including starch, a thermoplastic polymer, a tackifier, a plasticizer, and an adhesion promoter. The hot melt adhesive according to the exemplary embodiment of the present invention contains about 25 to 55 weight % of the starch which is infinitely renewable biomass, and, thus, it is less harmful and more eco-friendly and has a reduced manufacturing costs and is less sensitive to exhaustion of petroleum-based resources, as compared with the conventional hot melt adhesive mainly containing a petroleum-based material. Further, the hot melt adhesive according to the exemplary embodiment of the present invention imparts excellent adhesion strength and workability at the time of adhesion between different kinds of adherends such as a hydrophobic adherend and a hydrophilic adherend and can be applied to various fields such as packaging, bookbinding, construction, woodworking, and textile fields.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: August 30, 2016
    Assignee: Daesang Corporation
    Inventors: Young Seong Jeon, Se Na Lee, Jee Young Yoon, Jun Soo Lee, Ssang Ok Kim
  • Patent number: 9422451
    Abstract: Low-density compositions and sealants prepared from sulfur-containing prepolymer compositions that exhibit enhanced fuel resistance are disclosed. The low density and enhanced fuel resistance is realized by using polyphenylene sulfide fillers.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: August 23, 2016
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Chandra Rao, Marfi Ito, Renhe Lin
  • Patent number: 9422415
    Abstract: Provided are an amorphous artificial marble chip, an artificial marble using the same, and a manufacturing method of the amorphous artificial marble chip.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: August 23, 2016
    Assignee: SCHEM CO., LTD.
    Inventors: Ki Boong Bae, June Hyeong Lee
  • Patent number: 9422419
    Abstract: The surface-treated calcium carbonate filler having a floc structure is provided which can provide a curable resin composition which has a high thixotropic property, exerts a high elongation degree at a low modulus, and has such a restoring rate that a load to be applied onto an adherend is reduced particularly by mixing in the curable resin composition, and the curable resin composition containing the filler.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: August 23, 2016
    Assignee: MARUO CALCIUM CO., LTD.
    Inventors: Katsunori Fukumoto, Yusuke Hayashi, Shigeru Sakaguchi, Tatsunari Yago
  • Patent number: 9416255
    Abstract: Biodegradable materials and, in particular, compositions comprising polylactic acid, bentonite, and gum arabic are provided. Processes, methods and uses involving polylactic acid are further provided.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: August 16, 2016
    Assignee: Sole Gear Design Inc.
    Inventors: Toby Simon Oliver Reid, Kambiz Taheri, Ernest Ohene Koranteng Daddey, Christos Stamboulides
  • Patent number: 9410056
    Abstract: A flame retardant coating is disclosed. The flame retardant coating comprises polyurea elastomer, spray processable graphite, a graphite stabilizer agent, and a flame retardant. A method of manufacturing a flame retardant polyurea elastomer coating is also disclosed. A two part polymerizable system is provided comprising a first part containing isocyanates, and a second part containing polyamines. At least one of the first part and the second part contains a flame retardant, and both of spray processable graphite and a graphite stabilizer agent. The first part and the second part are then mixed to form the flame retardant polyurea elastomer coating.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: August 9, 2016
    Inventor: Tony Lagrange
  • Patent number: 9410070
    Abstract: A treatment fluid for treating a portion of a high-temperature subterranean formation comprises: a base fluid, wherein the base fluid comprises water; a viscosifier, wherein the viscosifier is a polymer, and wherein the viscosifier is thermally stable up to a temperature of 325° F.; and a stabilizer package, wherein the stabilizer package: (A) comprises a first stabilizer and a second stabilizer, wherein the first stabilizer is an oxygen scavenger and the second stabilizer is a pH adjustor; and (B) is capable of increasing the thermal stability of the viscosifier to a temperature greater than 350° F., wherein the portion of the subterranean formation has a bottomhole temperature greater than 350° F. A method of treating a high-temperature subterranean formation comprises introducing the treatment fluid into the portion of the subterranean formation.
    Type: Grant
    Filed: September 20, 2014
    Date of Patent: August 9, 2016
    Inventors: Prerana U. Suryawanshi, Achala V. Danait, Rajendra A. Kalgaonkar
  • Patent number: 9403971
    Abstract: Rubber composition for a tread, which enables not only improving handling stability, abrasion resistance, and fuel economy in a balanced manner, but also improving wet grip performance and processability in a balanced manner, in a pneumatic tire formed from the rubber composition. The rubber composition comprises a terminally-modified solution-polymerized styrene-butadiene rubber, a butadiene rubber synthesized in the presence of a rare earth catalyst, and a particular type of reinforcing agent.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: August 2, 2016
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Toshikazu Kondo
  • Patent number: 9403946
    Abstract: The present invention relates to semiaromatic and semicrystalline thermoplastic polyimides obtained by polymerization of at least one aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof and a diamine comprising between 13 and 22 carbon atoms. These polyimides may be converted into plastic articles by various methods, such as injection-molding.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: August 2, 2016
    Assignee: RHODIA OPERATIONS
    Inventor: Stephane Jeol
  • Patent number: 9403939
    Abstract: Processes for preparing high purity polycarbonates having high light transmission, low yellowness, and color stability are disclosed herein. High purity starting ingredients are used to form a polycarbonate powder. The polycarbonate powder can be subsequently melt extruded at an optimum shear rate to minimize yellowness and the need to add colorant to overcome the yellowness. The lower amount of colorant increases the light transmission of the resulting polycarbonate resin.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: August 2, 2016
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Vandita Pai-Paranjape, Franklin J. Ehrensbeck, James Franklin Hoover
  • Patent number: 9399711
    Abstract: An inflatable article is provided with an elastomer layer that is airtight to inflation gases used to inflate the article. The elastomer layer includes at least one styrene thermoplastic elastomer, which includes a polyisobutylene block. The elastomer layer also includes a polyphenylene ether (PPE).
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: July 26, 2016
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.
    Inventors: Vincent Abad, Emmanuel Custodero, Marc Greiveldinger
  • Patent number: 9382467
    Abstract: A corrosion inhibitor composition and method of inhibiting corrosion on a surface in an oil or gas application is disclosed and claimed. The corrosion inhibitor includes at least one fatty acid; at least one alkanolamine; at least one alkylamine; and at least one organic sulfonic acid. The method of inhibiting corrosion includes on a surface in an oil or gas application comprises contacting an effective dosage of the corrosion inhibitor with the surface.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: July 5, 2016
    Assignee: Nalco Company
    Inventors: G. Richard Meyer, Keith Allen Monk
  • Patent number: 9382448
    Abstract: Thiol-terminated polythioether compositions and sealants prepared using the thiol-terminated polythioether compositions that exhibit enhanced retention of elongation following exposure to high temperature are disclosed. The enhanced retention of elongation is realized by incorporating certain phenolic antioxidants into the composition.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 5, 2016
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Juexiao Cai, Emilia Serrano, Bruce Virnelson, Renhe Lin