Patents by Inventor Yoshie Kawamura, legal representative

Yoshie Kawamura, legal representative 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).

  • Polyactic acid resin composition
    Patent number: 7531585
    Abstract: It is an object of the present invention is to provide a polylactic acid resin composition in which a crystal nucleator appropriate for accelerating crystallization of polylactic acid rein is added. A polylactic acid resin composition comprising a polylactic acid resin, and a metal salt of a phosphorus compound of formula (I) wherein R1 and R2 may be the same or different and are hydrogen atom, C1-10alkyl or C2-10alkoxycarbonyl, or a polylactic acid resin composition comprising a polylactic acid resin, and a metal salt of a phosphorus compound of formula (II) wherein R3, R4, R5 and R6 may be the same or different and are hydrogen atom, C1-10alkyl or C2-10alkoxycarbonyl. The composition is excellent in heat resistance and forming processability.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: May 12, 2009
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Masaaki Ozawa, Yoshie Kawamura, legal representative, Ryoko Kawamura, legal representative, Daichi Kawamura, legal representative, Mikio Kasai, Yasuo Kawamura