Patents by Inventor Tatsuo Suminokura

Tatsuo Suminokura 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).

  • Steryl-.beta.-D-glucoside esters and method of preparation
    Patent number: 4031303
    Abstract: Steryl-6-0-palmitoyl-.beta.-D-glucosides are anti-inflammatory agents. The compounds, of which .beta.-sitosteryl-6-0-palmitoyl-.beta.-D-glucoside is a representative embodiment, are prepared through the reaction of a steryl-6-0-sulfonyl-.beta.-D-glucoside with an alkali metal salt of palmitic acid.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: June 21, 1977
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiromu Murai, Koji Kitaguchi, Tatsuo Suminokura, Akira Sano, Masahiro Kise, Masahiko Kitano, Toshio Tomita
  • Steryl-.beta.-D-glucoside ester pharmaceutical compositions and method of use
    Patent number: 3991186
    Abstract: Steryl-6-O-palnitoyl and -2,3,4,6-O-tetrapalmitoyl-.beta.-D-glucosides are anti-inflammatory agents. The compounds, of which .beta.-sitosteryl-2,3,4,6-O-tetrapalmitoyl-.beta.-D-glucoside is a representative embodiment, are prepared through the reaction of a steryl-.beta.-D-glucoside with a lower alkyl ester of palmitic acid in the presence of a basic catalyst.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: November 9, 1976
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiromu Murai, Koji Kitaguchi, Tatsuo Suminokura, Akira Sano, Massahiro Kise, Masahiko Kitano, Toshio Tomita