Patents Examined by Vickey Ronesi
  • Patent number: 7501459
    Abstract: A method of producing a carbon fiber composite material includes: a first mixing step of mixing an elastomer and carbon nanofibers at a first temperature; and a second mixing step of mixing a mixture obtained by the first mixing step at a second temperature, and the first temperature is 50 to 100° C. lower than the second temperature.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: March 10, 2009
    Assignee: Nissin Kogyo Co., Ltd.
    Inventors: Toru Noguchi, Akira Magario
  • Patent number: 7495042
    Abstract: The present invention relates to a dispersant composition comprising at least one anionic surfactant and at least one polymer comprising at least one salt of a carboxylic acid group. Also disclosed are pigment compositions and non-aqueous coating compositions comprising the dispersant composition.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: February 24, 2009
    Assignee: Cabot Corporation
    Inventor: Lang H. Nguyen
  • Patent number: 7495043
    Abstract: The present invention discloses a method for producing a clay/AMO complex by modifying layered inorganic silicate clay with the intercalating agent AMO (amine-terminated Mannich oligomer). The AMO is prepared by polymerizing polyoxyalkylene amine having molecular weight over 1000, p-cresol and formaldehyde. The present invention also discloses a method for producing nanosilicate plates by extracting the AMO from the above complex with a hydroxide or a chloride of alkali metal or alkaline-earth metal. The extracted AMO can be recycled for reusing.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: February 24, 2009
    Assignee: National Chung-Hsing University
    Inventors: Jiang-Jen Lin, Chung-Ming Tsai
  • Patent number: 7493927
    Abstract: The present invention provides a rubber composition, in which reaction efficiency of the silane coupling agent in kneading is improved, generation of bubbles is suppressed, abrasion resistance is improved and rolling resistance is reduced. Specifically, the rubber composition comprises silica and 3 to 15 parts by weight of a silane coupling agent and 1.5 to 15 parts by weight of a potassium salt based on 100 parts by weight of the silica.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: February 24, 2009
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Yasuhisa Minagawa, Noriko Yagi
  • Patent number: 7488768
    Abstract: An elastomer composition based on at least one diene elastomer, an inorganic filler as reinforcing filler, a polyfunctional organosilane as (inorganic filler/diene elastomer) coupling agent bearing at least two functions denoted “X” and “Y” which are graftable, on the one hand, to the elastomer by means of the X function and, on the other, to the inorganic filler by means of the Y function, characterized in that said Y function is a hydroxysilyl function (?Si—OH). Preferably, this organosilane is a hydroxysilane polysulfide, the diene elastomer is selected from the group consisting of polybutadienes, natural rubber, synthetic polyisoprenes, butadiene copolymers, isoprene copolymers and the reinforcing inorganic filler is a siliceous or aluminous filler of the highly dispersible type. Tires or semi-finished products for tires, in particular treads for tires comprising a composition according to the invention.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: February 10, 2009
    Assignee: Michelin Recherche Et Technique S.A.
    Inventors: Jean-Claude Tardivat, Salvatore Pagano
  • Patent number: 7485677
    Abstract: The present invention is a blend of an halogenated elastomer and a clay, desirably an exfoliated clay, to form a nanocomposite suitable for an air barrier. In one embodiment, the halogenated elastomer is a polymer comprising C4 to C7 isoolefin derived units, a para-methylstyrene derived units, and para-(halomethylstyrene) derived units. In another embodiment, the halogenated elastomer is a butyl-type rubber. The clay may or may not have an additional exfoliating treatment present prior to blending with the interpolymer. The interpolymer/clay mixture forms a distinct phase in the nanocomposite blend of the invention. The blend of the invention has improved air barrier properties and is suitable as an innerliner or innertube.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: February 3, 2009
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Anthony Jay Dias, Andy Haishung Tsou, David Yen-Lung Chung, Weiqing Weng, Caiguo Gong
  • Patent number: 7485403
    Abstract: A laser-markable composition comprises a binder and an oxyanion of a multivalent metal.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: February 3, 2009
    Assignee: Datalase Ltd.
    Inventor: Nazir Khan
  • Patent number: 7485674
    Abstract: In order to provide a powder coating composition containing a flake pigment attaining excellent recyclability and coating property as well as improved metallic feel, brilliance, and brightness of a coating film, the powder coating composition contains powder coating particles including thermosetting resin powder, an adhesive binder, and a flake pigment bound to a surface of the thermosetting resin powder by means of the binder. An average particle size of the powder coating particle is not larger than 100 ?m based on D50 conversion, and a bonding ratio between the thermosetting resin powder and the flake pigment is in a range from 90% to 100%.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: February 3, 2009
    Assignee: Toyo Aluminium Kabushiki Kaisha
    Inventor: Yasushi Takano
  • Patent number: 7482394
    Abstract: This invention provided a high-build, self-polishing marine antifouling paint which affords a coated film having antifouling properties for a long period of time. The paint binder which is a fiber reinforced aldehyde resin comprises two synergistically acting components, Component A and Component B. Component A an aluminium di-sec-alkoxide ace-toacetic ester chelate is represented by the following formula (1): (R1O)2—Al—(CH3—CO—CH2—CO—O—R2) wherein R1 represents an sec.-alkyl group having 3 to 10 carbon atoms, or a cycloalkyl group; and R2 represents an alkyl group having 1 to 10 carbon atoms, or a cycloalkyl group. Component B a monoalkoxy organo-titanate0IV is represented by the following formula (II): R3—O—Ti(—X)3 wherein R3 is a monovalent organic group having from 2 to 30 carbon atoms or a substituted derivative thereof X in the above formulae independently represents an acylate group, a sulfonic acid reside, a phosphoric acid residue or a pyrophosphoric ester residue, or a mixture thereof.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: January 27, 2009
    Assignee: Chemical Investment Ltd.
    Inventor: Holger Blum
  • Patent number: 7479168
    Abstract: The present invention relates to a stable blended diesel fuel comprising an olefinic diesel fuel blending stock. The olefinic diesel fuel blending stock of the invention comprises olefins in an amount of 2 to 80 weight percent, non-olefins in an amount of 20 to 98 weight percent wherein the non-olefins are substantially comprised of paraffins, oxygenates in an amount of at least 0.012 weight percent and sulfur in an amount of less than 1 ppm. To provide acceptable stability, the blended diesel fuel comprising the olefinic diesel fuel blending stock comprises a sulfur-free antioxidant. The blended diesel fuel comprising the olefinic diesel fuel blending stock and sulfur-free antioxidant added has a peroxide content of less than 5 ppm when stored at 60° C. for 4 weeks. The present invention also relates to processes for making the stable blended diesel fuel and olefinic diesel fuel blending stocks as defined above.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: January 20, 2009
    Assignee: Chevron U.S.A. Inc.
    Inventors: Dennis J. O'Rear, John E. Sundberg
  • Patent number: 7468400
    Abstract: The glittering ink composition of the present invention contains a glass flake pigment, a water-soluble resin, a water-soluble organic solvent and water as essential ingredients. The content of the glass flake pigment is 0.01-40% by weight relative to the total amount of the ink composition. Moreover, the ink composition contains a synthetic resin emulsion as a binder component for fixing the glass flake pigment to a handwriting or a coated film in 0.01-40% by weight in solids relative to the total amount of the ink composition. The synthetic resin emulsion has an anionic property or a nonionic property and its minimum film forming temperature is not higher than 20° C.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: December 23, 2008
    Assignee: Sakura Color Products Corporation
    Inventors: Yasuyuki Yoshimura, Naoshi Murata, Yuki Yamamoto, Tomohiro Sawa
  • Patent number: 7461503
    Abstract: An insulation material comprising a low-density EPDM polymer, at least one flame-retardant, and an organic filler. The insulation material is used in an insulation layer of a rocket motor. The organic filler is a polymeric, organic filler such as polyvinyl chloride. A rocket motor comprising an insulation material is also disclosed. The insulation material comprises a low-density EPDM polymer, at least one flame-retardant, and a polymeric, organic filler and is applied between an inner surface of a case of the rocket motor and a propellant. A method of insulating a rocket motor is also disclosed.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: December 9, 2008
    Assignee: Alliant Techsystems Inc.
    Inventor: Himansu M. Gajiwala
  • Patent number: 7442728
    Abstract: The present invention relates to an exfoliating agent and to a process for producing random form of nanoscale silicate plates. The exfoliating agent applied in the present invention has the formula: wherein n=1 to 5 and R is a polyoxypropylene group, poly(oxyethylene/oxypropylene) group, polyoxybutylene group, or polyoxyethylene group. In this invention, layered silicate clays are exfoliated into random silicate plates by acidifying AMO with inorganic acid, adding the acidified AMO to layered silicate clay with agitation, and adding sodium hydroxide or chloride of alkali metal or alkaline-earth metal, in ethanol, water and a hydrophobic organic solvent to the intermediate product and repeating phase separation procedures to isolate random silicate plates from water phase.
    Type: Grant
    Filed: November 13, 2005
    Date of Patent: October 28, 2008
    Assignee: National Chung-Hsing University
    Inventors: Jiang-Jen Lin, Chien-Chia Chu
  • Patent number: 7442723
    Abstract: This invention pertains to an inkjet ink comprising a polyazetidinium groups-containing component, various ink sets comprising this ink, including one ink set with at least one co-reactive ink, and a method of printing with the ink and ink sets. When the inks are printed onto a substrate, the polyazetidinium groups can chemically react to enhance the durability of the printed image.
    Type: Grant
    Filed: September 7, 2004
    Date of Patent: October 28, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Richard Douglas Bauer
  • Patent number: 7442727
    Abstract: Pyrogenically prepared, surface modified aluminum oxide, having the following physical chemical properties: Surface area [m2/g] ?50 to 150 Tamped density [g/L] ?25 to 130 Drying loss [%] less than 5 Loss on ignition [%] 0.1 to 15? C content [%] 0.1 to 15? pH value 3 to 9 is prepared by treating pyrogenically prepared aluminum oxide with a surface modifying agent.
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: October 28, 2008
    Assignee: Degussa AG
    Inventors: Juergen Meyer, Manfred Ettlinger
  • Patent number: 7427642
    Abstract: Provided is a process for preparing an artificial marble plate by reutilizing waste materials such as defective goods of conventional industrial highly light-transmissive polymethylmethacrylate based sheets, remnants produced during product-processing and the like, including polymethylmethacrylate based LCD light guide panels, having a refractive index of 1.47 to 1.53 and excellent optical characteristics wherein the polymer has an average molecular weight of 30,000 to 150,000.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: September 23, 2008
    Assignee: LG Chem. Ltd.
    Inventor: Bong-Hyun Kwon
  • Patent number: 7417078
    Abstract: An electromagnetic wave absorbing heat conductive composition is used to form an electromagnetic wave absorbing heat dissipating article that is placed between a heat generating electronic component which, when operated, generates heat, reaches a temperature higher than room temperature and acts as an electromagnetic wave generating source, and a heat dissipating component. The composition is non-fluid at room temperature prior to operation of the electronic component, but acquires a low viscosity, softens or melts under heat generation during operation of the electronic component, to fluidize at least a surface of the composition so that the composition substantially fills any gaps between the electronic component and the heat-dissipating component.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: August 26, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hironao Fujiki, Kazuhiko Tomaru, Ikuo Sakurai, Akio Suzuki, Kunihiko Mita
  • Patent number: 7417087
    Abstract: A resin composition, wherein the composition contains a thermoplastic resin and an aluminum-containing inorganic compound; the thermoplastic resin and the aluminum-containing inorganic compound form a parent phase and a dispersed phase, respectively; and the following inequality (1) 0<d??0.0997 ?+2.97??(1) is satisfied, in which a wall-to-wall distance of the dispersed phases and a content of the aluminum-containing inorganic compound based on the weight of the resin composition are taken as d (?m) and ? (% by weight), respectively; is produced by melt-blending a thermoplastic resin with an aluminum-containing inorganic compound powder having a BET specific surface area of from 30 to 500 m2/g, a maximum particle diameter of not more than 20 ?m, and a pore volume of pores having a radius of from 50 to 1000 nm measured by a mercury porosimetry of not less than 0.3 cm3/g.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: August 26, 2008
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Satoru Nippa, Hiroyoshi Nakajima, Kenji Atarashi
  • Patent number: 7414084
    Abstract: A composition which can improve impact resistance of a coating film while maintaining superior weather resistance and gloss of the coating film of a fluororesin powder coating material is provided. A fluororesin powder coating composition containing the following particles (C) in an amount of from 0.1 to 10 parts by mass per 100 parts by mass of a fluororesin. The particles (C) are particles having a core/shell structure and having an average particle size of from 0.01 to 2.5 ?m, wherein the core and/or at least one shell comprises a fluorinated polymer.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: August 19, 2008
    Assignee: Asahi Glass Company, Limited
    Inventors: Masaru Yamaguchi, Sho Masuda, Masao Unoki
  • Patent number: 7407994
    Abstract: This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an epoxy resin; (b) an acrylate; (c) an alkyl ester of a fatty acid, wherein the alkyl group of the ester is an aliphatic hydrocarbon having from 4 to 8 carbon atoms, preferably butyl tallate; and (d) an effective amount of a free radical initiator. The foundry binder systems are used for making foundry mixes. The foundry mixes are used to make foundry shapes (such as cores and molds) which are used to make metal castings, particularly ferrous castings.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: August 5, 2008
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: Jorg Kroker, H. Randall Shriver