Patents by Inventor Nobukazu Nakayama

Nobukazu Nakayama 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).

  • ANTIMICROBIAL/ANTIVIRAL COMPOSITION
    Publication number: 20240065273
    Abstract: To provide an antimicrobial/antiviral composition having an excellent immediate effect while the content of monovalent copper compound is low. The antimicrobial/antiviral composition includes: a resin; an antimicrobial/antiviral agent containing monovalent copper compound microparticles coated with a dispersant; and a hydrophilic compound that is dispersed in the resin and is immiscible with the resin.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 29, 2024
    Inventors: Masako TAKINO, Shinji KURAHASHI, Yoshie FUJIMORI, Nobukazu MOTOJIMA, Tsuruo NAKAYAMA
  • Process for preparing a thermo-expandable microspheres
    Patent number: 4287308
    Abstract: Microspheres, the blowing agent of which is microencapsulated with a thermoplastics having an acrylonitrile moiety, are prepared. Acrylonitrile monomer remaining therein is eliminated from the microspheres by cyanoethylation. The microspheres have an excellent solvent-resistance and an expansibility hardly changeable with time but no harmfulness attributed to the acrylonitrile monomer.
    Type: Grant
    Filed: June 10, 1980
    Date of Patent: September 1, 1981
    Assignee: Matsumoto Yushi-Seiyaku Co., Ltd.
    Inventors: Nobukazu Nakayama, Sueo Kida