Patents by Inventor Nobuhito Hirata

Nobuhito Hirata 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).

  • Aqueous emulsion compositions
    Patent number: 4107114
    Abstract: An emulsion composition prepared by subjecting a mixture of monoethylenically unsaturated monomer and polyethylenically unsaturated monomer to emulsion polymerization with use of an emulsifier, the emulsifier being a water-soluble resin having a dry oil fatty acid residue or semi-drying oil fatty acid residue, or a water-soluble petroleum resin having non-vinyl type double bonds.
    Type: Grant
    Filed: October 13, 1976
    Date of Patent: August 15, 1978
    Assignee: Kansai Paint Company, Limited
    Inventors: Yasuharu Nakayama, Nobuhito Hirata, Yoshio Yamashita