Patents by Inventor Sayaka SAKAGUCHI

Sayaka SAKAGUCHI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SIZING AGENT COMPOSITION FOR FIBERS, FIBER BUNDLE, FIBER PRODUCT AND COMPOSITE MATERIAL
    Publication number: 20210156079
    Abstract: The present invention aims to provide a fiber sizing agent composition capable of providing high adhesion between fibers and a matrix resin, and also capable of forming fiber bundles with high sizing properties and reduced fluffing. A fiber sizing agent composition (C) of the present invention contains an epoxy resin (A) having an aromatic ring and not having a (meth)acryloyl group, and a (meth)acrylate (B).
    Type: Application
    Filed: July 30, 2019
    Publication date: May 27, 2021
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Sayaka SAKAGUCHI, Takuya HOSOGI
  • Fiber sizing agent composition, fiber sizing agent dispersion, fiber sizing agent solution, method for producing fiber bundles, composite intermediate and fiber-reinforced composite material
    Patent number: 10400390
    Abstract: The present invention provides a fiber sizing agent composition containing a polyester resin (A) and a reactive compound (B), wherein the polyester resin (A) is a polyester resin having an HLB of 4 to 18 and a viscosity at 30° C. of 10 to 1,000,000 Pa·s, the reactive compound (B) is at least one reactive compound selected from the group consisting of blocked isocyanates, tertiary amines, tertiary amine salts, quaternary ammonium salts, quaternary phosphonium salts, and phosphine compounds, and the weight ratio of the polyester resin (A) to the reactive compound (B) [(A)/(B)] in the fiber sizing agent composition is 99.9/0.1 to 10/90.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: September 3, 2019
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventor: Sayaka Sakaguchi
  • FIBER SIZING AGENT COMPOSITION, FIBER SIZING AGENT DISPERSION, FIBER SIZING AGENT SOLUTION, METHOD FOR PRODUCING FIBER BUNDLES, COMPOSITE INTERMEDIATE AND FIBER-REINFORCED COMPOSITE MATERIAL
    Publication number: 20170284015
    Abstract: The present invention provides a fiber sizing agent composition containing a polyester resin (A) and a reactive compound (B), wherein the polyester resin (A) is a polyester resin having an HLB of 4 to 18 and a viscosity at 30° C. of 10 to 1,000,000 Pa·s, the reactive compound (B) is at least one reactive compound selected from the group consisting of blocked isocyanates, tertiary amines, tertiary amine salts, quaternary ammonium salts, quaternary phosphonium salts, and phosphine compounds, and the weight ratio of the polyester resin (A) to the reactive compound (B) [(A)/(B)] in the fiber sizing agent composition is 99.9/0.1 to 10/90.
    Type: Application
    Filed: September 1, 2015
    Publication date: October 5, 2017
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventor: Sayaka SAKAGUCHI