The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 1992
Filed:
Sep. 18, 1990
Applicant:
Inventors:
Shinichiro Toki, Tokyo, JP;
Mika Nozawa, Tokyo, JP;
Mayumi Yoshida, Kanagawa, JP;
Hiroshi Sano, Tokyo, JP;
Katsuhiko Ando, Tokyo, JP;
Isao Kawamoto, Kanagawa, JP;
Yuzuru Matsuda, Tokyo, JP;
Junichi Ikeda, Shizuoka, JP;
Kazuhiro Kubo, Shizuoka, JP;
Assignee:
Kyowa Hakko Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549389 ;
Abstract
A compound of formula (I): ##STR1## wherein R.sub.1 represents hydrogen, hydroxy or acetoxy and R.sub.2 represents hydroxy or acetoxy.
Toki, Shinichiro. (1992). Bioxanthracene derivatives (U.S. Patent No. 5081264). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5081264
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile