Patents by Inventor Rokuro Harima

Rokuro Harima 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).

  • 2,2'-Bis(3,4-Epoxy-5-oxotetrahydropyran)ethers
    Patent number: 4150039
    Abstract: 2,2'-BIS(3,4-Epoxy-5-oxotetrahydropyran)ethers represented by the formula ##STR1## wherein R is hydrogen atom or straight-chain or branched-chain alkyl having 1 to 6 carbon atoms; a process for preparing the same.
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: April 17, 1979
    Assignee: Otsuka Kagaku Yakuhin Kabushiki Kaisha
    Inventors: Rokuro Harima, Takeshi Misawa, Tsunehiko Masatomi, Yasuo Shimizu, Yoshifumi Nakacho, Hisashi Takao, Kenji Kase