Patents by Inventor Mitsuo Ootani

Mitsuo Ootani 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).

  • Acrylic polymers
    Patent number: 5362807
    Abstract: An acrylic molded product comprising an acrylic polymer coagulated material having excellent characteristics in impact resistance, optical properties, and hydrothermal resistance; an acrylic polymer coagulated material used for the preparation thereof; an composition comprising thereof; and a process for manufacture thereof; characterized by using an emulsion polymerization and a polymer with multiphase structured material comprising a hard phase and a soft phase and being freeze-coagulated.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: November 8, 1994
    Assignee: Kuraray Co., Ltd.
    Inventors: Kouichi Nogura, Kouichi Fujie, Chouji Suga, Naokiyo Inomata, Mitsuo Ootani
  • Acrylic polymers
    Patent number: 5306777
    Abstract: An acrylic molded product comprising an acrylic polymer coagulated material having excellent characteristics in impact resistance, optical properties, and hydrothermal resistance; an acrylic polymer coagulated material used for the preparation thereof; an composition comprising thereof; and a process for manufacture thereof; characterized by using an emulsion polymerization and a polymer with multiphase structured material comprising a hard phase and a soft phase and being freeze-coagulated.
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: April 26, 1994
    Assignee: Kuraray Co., Ltd.
    Inventors: Kouichi Nogura, Kouichi Fujie, Chouji Suga, Naokiyo Inomata, Mitsuo Ootani