Patents by Inventor Genei Matsukawa

Genei Matsukawa 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).

  • Hindered amine compound, resin composition, polyurethane fiber and production method and use thereof
    Patent number: 6486238
    Abstract: A hindered amine compound having thesolubility in an acidic solution of 5.0×10−3 eq./liter or less comprising at least two specific organic groups in a specific weight ratio in a molecule, or at least two specific monomeric units, which can be used as a stabilizer of a resin.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: November 26, 2002
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kota Kitamura, Chihiro Oshimo, Genei Matsukawa, Futoshi Ishimaru