Patents by Inventor Noriko Dodo

Noriko Dodo 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).

  • Process for producing aliphatic polyester carbonate
    Patent number: 6667381
    Abstract: In the process of the present invention for producing an aliphatic poly(ester carbonate), maleic anhydride, a C2-20 glycol and hydrogen are reacted in the presence of a hydrogenating catalyst. By this process, an aliphatic poly(ester carbonate) having practically satisfactory moldability and physical properties is produced in a short period of time by a simplified method as compared to conventional production processes.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: December 23, 2003
    Assignee: Mitsubishi Gas Chemical Co., Inc.
    Inventors: Kyohei Takakuwa, Kunitoshi Mimura, Maki Ito, Noriko Dodo
  • Process for producing aliphatic polyester carbonate
    Publication number: 20030078364
    Abstract: In the process of the present invention for producing an aliphatic poly(ester carbonate), maleic anhydride, a C2-20 glycol and hydrogen are reacted in the presence of a hydrogenating catalyst. By this process, an aliphatic poly(ester carbonate) having practically satisfactory moldability and physical properties is produced in a short period of time by a simplified method as compared to conventional production processes.
    Type: Application
    Filed: October 17, 2002
    Publication date: April 24, 2003
    Inventors: Kyohei Takakuwa, Kunitoshi Mimura, Maki Ito, Noriko Dodo