Patents by Inventor Yasuo Shiraishi

Yasuo Shiraishi 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).

  • Anti-inflammatory agent of benzoyl derivative
    Patent number: 4145444
    Abstract: Anti-inflammatory agent comprises an active ingredient of benzoyl derivative having the formula ##STR1## WHEREIN R.sub.1 represents hydrogen, hydroxy, C.sub.1-8 alkyl or C.sub.1-8 alkoxy,R.sub.2 represents hydrogen, halogen, hydroxy, vinyl, C.sub.1-8 alkyl or C.sub.1-8 alkoxy,A represents carbonyl, methylene or a single bond, andN is an integer of 1 to 4.
    Type: Grant
    Filed: December 2, 1977
    Date of Patent: March 20, 1979
    Assignee: Kaken Chemical Co., Ltd.
    Inventors: Yasuhiko Hamazaki, Shozo Kawabata, Toshiyuki Yamamoto, Yasuo Shiraishi, Akira Ueno
  • Anti-inflammatory agent of benzoyl derivative
    Patent number: 4124726
    Abstract: Anti-inflammatory agent comprises an active ingredient of benzoyl derivative having the formula ##STR1## WHEREIN R.sub.1 represents hydrogen, halogen, hydroxy, C.sub.1-8 alkyl or C.sub.1-8 alkoxy,R.sub.2 represents hydrogen, halogen, hydroxy, vinyl, C.sub.1-8 alkyl or C.sub.1-8 alkoxy,A represents carbonyl, methylene or a single bond, andn is an integer of 1 to 4.
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: November 7, 1978
    Assignee: Kaken Chemical Co., Ltd.
    Inventors: Yasuhiko Hamazaki, Shozo Kawabata, Toshiyuki Yamamoto, Yasuo Shiraishi, Akira Ueno, Koji Amemiya, Katsumas Saga