Patents by Inventor Satoru Enomotol

Satoru Enomotol 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).

  • Steroid hormone-antitumor derivatives
    Patent number: 4260736
    Abstract: A process for producing a steroid hormone-antitumor derivative which selectively affects to tumor or cancer cells comprises reacting X group of a steroid hormone derivative having the formula ##STR1## wherein ST represents a steroid moiety having a cyclophenanthrene hydrocarbon skeleton of gonane, estrane or androstane which is bound to carboxyl group by esterifying OH group on D ring with carboxyl group; and R' represents a C.sub.1 -C.sub.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: April 7, 1981
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Kiro Asano, Humio Tamura, Hiromitsu Tanaka, Satoru Enomotol