Patents by Inventor Katsuto Okuno

Katsuto Okuno 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 the production of cyanopinacolone
    Patent number: 4186144
    Abstract: Cyanopinacolone is produced by reacting pinacolone with about 1.0 to about 1.2 molar equivalents of chlorine in methanol and further reacting the resulting monochloropinacolone with about 1.0 to about 1.2 molar equivalents of an alkali metal cyanide in methanol.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: January 29, 1980
    Assignee: Shionogi & Co., Ltd.
    Inventors: Tsutomu Sugasawa, Tatsuo Toyoda, Kazuyuki Sasakura, Shiro Ueda, Akira Takase, Katsuto Okuno, Ichiro Ishizuka, Shinzaburo Sumimoto