Patents by Inventor Chika KURAMOCHI

Chika KURAMOCHI 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).

  • Moisture-curable reactive hot-melt adhesive composition and method for producing the same
    Patent number: 11624016
    Abstract: A moisture-curable reactive hot-melt adhesive composition comprises: a urethane prepolymer having an isocyanate group, the urethane prepolymer being a reaction product of a polyol component comprising a polyester polyol, a polyether polyol and a polybutadiene polyol with an isocyanate component; and an antioxidant.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: April 11, 2023
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Chika Kuramochi, Souichirou Komiya, Kazuyuki Magome, Kohji Suzumura
  • REACTIVE HOT-MELT ADHESIVE COMPOSITION, AND BONDED BODY AND METHOD FOR PRODUCING SAME
    Publication number: 20220112405
    Abstract: Disclosed is a reactive hot-melt adhesive composition, containing: a urethane prepolymer having a polymer chain including a structural unit derived from polyol and a structural unit derived from polyisocyanate, and an isocyanate group as a terminal group of the polymer chain; and a functional group protection type silane coupling agent.
    Type: Application
    Filed: February 3, 2020
    Publication date: April 14, 2022
    Inventors: Chika KURAMOCHI, Souichirou KOMIYA, Junichi KAMEI
  • MOISTURE-CURABLE REACTIVE HOT-MELT ADHESIVE COMPOSITION AND METHOD FOR PRODUCING THE SAME
    Publication number: 20190127618
    Abstract: A moisture-curable reactive hot-melt adhesive composition comprises: a urethane prepolymer having an isocyanate group, the urethane prepolymer being a reaction product of a polyol component comprising a polyester polyol, a polyether polyol and a polybutadiene polyol with an isocyanate component; and an antioxidant.
    Type: Application
    Filed: April 11, 2017
    Publication date: May 2, 2019
    Inventors: Chika KURAMOCHI, Souichirou KOMIYA, Kazuyuki MAGOME, Kohji SUZUMURA