Patents by Inventor Chikako Nagano

Chikako Nagano 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).

  • Polyester resin composition for powder coatings prepared from endomethylenetetrahydrophthalic acid
    Patent number: 3956228
    Abstract: A polyester obtained from dibasic acids mixture containing 10 to 50 mole-% of endomethylene-tetrahydrophthalic acid and glycols is used in a resin composition for powder coatings. This composition has a good storage stability and when heated in the air at 150.degree. to 220.degree.C exhibits favorable fluidity to form an even coating which quickly hardens to a film with excellent characteristics.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: May 11, 1976
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Sumitaka Nogami, Kazuo Toyomoto, Katsuyuki Nakamura, Keiichi Waki, Tooru Okada, Izumi Fujita, Masayuki Nanpo, Shougi Misawa, Chikako Nagano