Patents by Inventor Sachiko Manabe

Sachiko Manabe 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).

  • Phenanthrene derivatives
    Patent number: 5192817
    Abstract: Novel phenanthrene derivatives represented by the general formula (1), ##STR1## wherein the group of the formula ##STR2## is a group of the formula ##STR3## (wherein R.sup.1 is a hydrogen atom or a lower alkyl group), a group of the formula ##STR4## (wherein R.sup.2 is a hydrogen atom or a lower alkanoyl group) or a group of the formula ##STR5## (wherein R.sup.2 is the same as defined above), and salts thereof, and other compounds derived therefrom and salts thereof; processes for preparing the same; and interleukin-1 (IL-1) inhibitors containing the abovementioned novel phenanthrene derivatives as to the active ingredient(s).
    Type: Grant
    Filed: November 5, 1991
    Date of Patent: March 9, 1993
    Assignees: Otsuka Pharmaceutical Co., Ltd., Otsuka Pharmaceutical Factory, Inc.
    Inventors: Yoshihisa Takaishi, Kiyoto Goto, Takuji Uesako, Toshiko Kuwahara, Masaaki Takai, Yukihisa Ono, Yoshihiro Taniguchi, Sachiko Manabe, Takahiro Asakuni