Patents by Inventor Hisaharu Shima

Hisaharu Shima 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).

  • Patent number: 4840907
    Abstract: A process for producing optically active dichloropropanol, which comprises cultivating an R-(+)-2,3-dichloro-1-propanol-assimilating strain belonging to the genus Pseudomonas in a culture medium containing racemate 2,3-dichloro-1-propanol, and recovering optical isomer S-(-)-2,3-dichloro-1-propanol from the culture broth, and a process for producing optically active epichlorohydrin, which comprises reacting the optical isomer S-(-)-2,3-dichloro-1-propanol obtained by the aforesaid process with an alkali.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: June 20, 1989
    Assignee: Osaka Soda Co., Ltd.
    Inventors: Naoya Kasai, Hisaharu Shima, Kazuya Tsujimura