Patents Examined by Marie Reddick
  • Patent number: 9580599
    Abstract: Provided is a thermoplastic resin composition which exhibits little dependence of air permeability on fatigue. The present invention is a thermoplastic resin composition which comprises an ethylene-vinyl alcohol copolymer and a polyamide resin, said thermoplastic resin composition being characterized in that only one maximal peak point assignable to crystallization is observed in the curve of heat flow versus temperature as determined by differential scanning calorimetry of a melt-kneaded mixture of 25 parts by mass of the ethylene-vinyl alcohol copolymer and 75 parts by mass of the polyamide resin in a cooling process.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: February 28, 2017
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Shun Sato
  • Patent number: 9574077
    Abstract: The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, such as plastics labels. The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion, the polymer being composed of ethylenically unsaturated monomers M and having a glass transition temperature below ?10° C., in which the dispersed polymer particles have a polymodal particle size distribution, in which at least 70% by weight have a particle diameter of below 350 nm.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: February 21, 2017
    Assignee: BASF SE
    Inventors: Matthias Gerst, Gerhard Auchter, Gledison Fonseca, Cornelis Petrus Beyers
  • Patent number: 9550909
    Abstract: A slurry composition, including: a polyvinyl acetal resin; a ceramic powder; and an organic solvent. The polyvinyl acetal resin has a degree of polymerization of from 200 to 6000, a content percentage of vinylester unit of from 0.01 to 30 mol %, and a degree of acetalization of from 55 to 83 mol %.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: January 24, 2017
    Assignee: KURARAY CO., LTD.
    Inventor: Yuhi Shimazumi
  • Patent number: 9534132
    Abstract: A hydrophilic surface treatment agent for an aluminum-containing metallic heat exchanger, which is obtained by mixing: a water-soluble resin (A) having at least one or more functional groups of an amide group, a hydroxyl group, and a carboxyl group, or a water-soluble resin (A) including, in a skeleton thereof, an amide linkage; colloidal silica (B); organo alkoxy silane and/or a hydrolysate thereof (C); a cross-linking agent (D) capable of forming cross-linkage with the water-soluble resin (A); and water (E), wherein the ratio {(B)+(C)}/{(A)+(B)+(C)+(D)} is 0.1 to 0.5 in terms of solid content ratio (mass ratio), and the ratio (C)/(B) is 0.5 to 4.0 in terms of solid content ratio (mass ratio).
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: January 3, 2017
    Assignee: Nihon Parkerizing Co., Ltd.
    Inventors: Tomohiro Osako, Hyonsoo Ahn, Takaomi Nakayama
  • Patent number: 9505950
    Abstract: A polishing composition includes a water-soluble polymer having a weight average molecular weight of 1000000 or less and a molecular weight distribution represented by weight average molecular weight (Mw)/number average molecular weight (Mn) that is less than 5.0. The polishing composition is mainly used in an application for polishing a substrate, preferably in an application for performing final polishing on a substrate.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: November 29, 2016
    Assignee: FUJIMI INCORPORATED
    Inventors: Kohsuke Tsuchiya, Shuhei Takahashi
  • Patent number: 9505865
    Abstract: The present invention provides polyvinyl acetal fine particles for an aqueous dispersion which exhibit excellent dispersion stability in a water-containing dispersion medium, and allow for formation of a film having sufficient mechanical strength and flexibility without voids and non-uniform structures such as irregularities, and an aqueous dispersion of the polyvinyl acetal fine particles for an aqueous dispersion. The polyvinyl acetal fine particles for an aqueous dispersion, adapted for use as dispersoids in an aqueous dispersion, the polyvinyl acetal fine particles including a polyvinyl acetal resin with an ionic functional group, and having a volume average particle size of 10 nm to 100 ?m, and a CV value of a volume-based particle size distribution of at most 40%.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: November 29, 2016
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Yasuharu Nagai
  • Patent number: 9493629
    Abstract: An object of the present invention is to improve, in the raw material rubber compound particularly using a silica-based filler, which is used for tire tread, the balance between the rolling resistance and the skid resistance on a wet road surface and at the same time, improve the wear resistance is enhanced. The present invention provides an oil-extended polymer composition comprising 100 parts by weight of (A) a polymer having a number average molecular weight Mn of 500,000 to 700,000 and a content of a functional group-containing polymer component to be adsorbed to silica of 50 wt % or more, and from 20 to 60 parts by weight of (B) an extender oil.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: November 15, 2016
    Assignee: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Haruo Yamada, Takaaki Matsuda, Yuichi Kitagawa
  • Patent number: 9487597
    Abstract: The present invention pertains to new alkali swellable thickening emulsions, free of surfactants and solvents other than water: as a result, all drawbacks related to the use of solvents, or to the formation of foam in the case of surfactants, are avoided. These new emulsions contain a certain quantity of 2-acrylamido-2-methylpropane sulfonic acid (or AMPS, CAS #: 40623-75-4). They have proven effective at thickening aqueous mediums, particularly water-based paints, paper coatings, aqueous suspensions of mineral materials, detergents, cosmetic formulations, or formulations containing a hydraulic binder.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: November 8, 2016
    Assignee: COATEX S.A.S.
    Inventor: Jean-Marc Suau
  • Patent number: 9486746
    Abstract: Technologies and implementations for providing melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes are generally disclosed.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: November 8, 2016
    Assignee: EMPIRE TECHNOLOGY DEVELOPMENT LLC
    Inventor: Carlos A. Cruz
  • Patent number: 9469797
    Abstract: A pressure sensitive adhesive composition comprising the polymerization product of: (A) a monomer selected from the group consisting of alkyl acrylates, alkyl methacrylates, and combinations thereof; and (B) a macromonomer comprising the reaction product of (a) a hydroxy-functional, ethylenically unsaturated monomer (e.g., an alkyl acrylate or methacrylate where the alkyl group is a C1-C6 alkyl group), (b) a bio-based monomer, and (c) a modifying monomer that lowers the Tg of the macromonomer relative to the Tg of the same macromonomer prepared in the absence of the modifying monomer.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: October 18, 2016
    Assignee: Regents of the University of Minnesota
    Inventors: Monique Roerdink Lander, Jiguang Zhang, Steven J. Severtson
  • Patent number: 9464204
    Abstract: The present invention is a composition comprising a stable aqueous dispersion of polymer particles comprising structural units of a nonionic monoethylenically unsaturated monomer; 2-(methacryloyloxy)ethyl phosphonic acid (MEP) or a salt thereof; and a sulfur acid monomer or carboxylic acid monomer or a combination thereof or a salt thereof, as well as a composite comprising the polymer particles adsorbed to the surface of a pigment particle such as TiO2. The composition and composite are prepared using the phosphorus acid monomer MEP, which can be prepared in high purity with low residual non-polymerizable phosphorus acid, thereby reducing the load of neutralizing agent required to achieve the targeted pH as compared with phophoethyl methacrylate (PEM).
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: October 11, 2016
    Assignee: Rohm and Haas Company
    Inventors: James C. Bohling, Arnold S. Brownell, Muhunthan Sathiosatham
  • Patent number: 9443655
    Abstract: To increase the heat resistance of a film capacitor, a dielectric resin composition is used as a material for a dielectric resin film used in a film capacitor, the dielectric resin composition being cured by mixing and crosslinking two or more organic materials having functional groups that react with each other to provide a cured article. At least one pair highly cohesive atomic groups which has a molecular cohesive energy equal to or higher than that of a methyl group and capable of cohering with each other due to the molecular cohesive energy is linked to the organic material. The highly cohesive atomic groups form a cohesive portion serving as pseudo-crosslinking.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: September 13, 2016
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tomomichi Ichikawa, Yasunori Hioki, Norihiro Yoshikawa, Ichiro Nakamura, Shinichi Kobayashi, Ichiro Nakaso
  • Patent number: 9428673
    Abstract: The invention discloses an adhesive composition suitable for bonding wood, in particular hardwood. The adhesive composition comprises a vinyl acetate-ethylene copolymer-based emulsion, a vinyl alcohol polymer, and a polyisocyanate. The process for preparing the adhesive composition and use of the same are also disclosed.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: August 30, 2016
    Assignee: CELANESE INTERNATIONAL CORPORATION
    Inventors: Yi Han, Xiaodong Zhao, Bangfang He, Yifang Shi
  • Patent number: 9422465
    Abstract: This invention relates to removable pressure sensitive adhesive compositions and constructions that contain an emulsion acrylic pressure sensitive adhesive copolymer of a plurality of acrylic monomers and at least one polymerizable acid. The invention further relates to labels, particularly removable polymeric labels for use on reusable containers.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: August 23, 2016
    Assignee: Avery Dennison Corporation
    Inventors: Alfredo Mueller, Jos Van Noort, Graham Yeadon
  • Patent number: 9416216
    Abstract: To increase the heat resistance of a film capacitor, a cured article obtained by curing a mixed solution of a polyvinyl acetal having a hydroxyl group content of 10% to 38% by weight, the number of backbone carbon atoms of the polyvinyl acetal being 100 or more, and a polyisocyanate having an isocyanate content of 1% to 50% by weight is used as a dielectric resin films material arranged between first and second counter electrodes facing each other. At least the polyvinyl acetal is subjected to high-pressure homogenization in which a shearing force is applied such that a pressure applied to the polyvinyl acetal is 50 MPa or more when the material is passed through a path having a diameter of 0.125 mm and a length of 5 mm, so that the solubility is increased to allow a curing reaction to proceed uniformly. The cured article has a glass transition temperature of 130° C. or higher and a breakdown voltage of 350 V/?m or more.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: August 16, 2016
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yasunori Hioki, Tomomichi Ichikawa, Norihiro Yoshikawa, Ichiro Nakamura, Ichiro Nakaso, Shinichi Kobayashi, Tomoki Inakura
  • Patent number: 9416280
    Abstract: The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a copolymer containing less than 25 mol % of residues of monomers comprising a dicarboxylic acid, or anhydride thereof. The invention further relates to novel copolymers, and the use of the copolymers as a dispersant.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: August 16, 2016
    Assignee: Lubrizol Limited
    Inventor: Stuart N. Richards
  • Patent number: 9416054
    Abstract: Provided are a vinyl acetal polymer that has sufficient plasticity and solubility in an alcohol solvent, imparts low viscosity, stability, etc., to a solution thereof, is less likely to cause phase separation from other components, and allows for formation of a slurry superior in dispersibility of particles and thixotropic nature, as well as a sheet superior in strength and flexibility, and the like. An alkyl-modified vinyl acetal polymer obtained by subjecting an alkyl-modified vinyl alcohol polymer to acetalization, in which the alkyl-modified vinyl alcohol polymer comprises a monomer unit represented by the following general formula (I), and has a viscosity average degree of polymerization P of 150 or greater and 5,000 or less, a degree of saponification of 20 mol % or greater and 99.99 mol % or less, and a percentage of alkyl modification S with the monomer unit of 0.05 mol % or greater and 5 mol % or less.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: August 16, 2016
    Assignee: KURARAY CO., LTD.
    Inventors: Masako Kawagoe, Shinsuke Nii
  • Patent number: 9410049
    Abstract: Single phase, water based, energy curable compositions and a method of preparing coatings and printing inks from same.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: August 9, 2016
    Assignee: SUN CHEMICAL CORPORATION
    Inventors: Jean Do Turgis, Richard M. Jones, Kai-Uwe Gaudl, Mikhail Laksin, Subhankar Chatterjee, Neil Young, Volker Linzer, John Rooney
  • Patent number: 9410003
    Abstract: There is provided a polyoxyalkylene-modified vinyl acetal polymer which has polyoxyalkylene groups represented by general formula (I) in side chain, in which a viscosity-average polymerization degree P is 150 to 5000, an acetalization degree is 10 to 85 mol % and a polyoxyalkylene modification rate S is 0.1 to 10 mol %. Such a polymer has a feature that a film or sheet produced therefrom has improved film strength and flexibility, as well as a feature that a resin composition therefrom is free from phase separation. wherein R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and 1?m?10 and 3?n?20.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: August 9, 2016
    Assignee: KURARAY CO., LTD.
    Inventors: Masako Kawagoe, Shinsuke Nii
  • Patent number: 9404012
    Abstract: The present invention provides flexible binder compositions comprising one or more polycarboxy emulsion copolymer has a measured Tg of 40° C. or less, such as from ?45° C. to 25° C., and a polyol crosslinker. In one embodiment, the binder compositions comprising the polycarboxy emulsion copolymer can be used in making pultruded composites, such as sheets, for example, flexible gypsum board facing sheets, and flexible non-woven articles such as, for example, carpet backing.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: August 2, 2016
    Assignee: Rohm and Haas Company
    Inventors: James T. Connaughton, I, William C. Finch, Michael D. Kelly, Hal C. Morris, Xun Tang