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:
Apr. 16, 1991
Filed:
Oct. 18, 1989
Applicant:
Inventors:
Yutaka Kanda, Houston, TX (US);
Tohru Yasuzawa, Sakai, JP;
Hiromitsu Saito, Sagamihara, JP;
Hiroshi Sano, Machida, JP;
Eiji Kobayashi, Shizuoka, JP;
Makoto Morimoto, Shizuoka, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514292 ; 514414 ; 546 84 ; 548455 ;
Abstract
A novel DC-88A derivative represented by general formula: ##STR1## wherein ##STR2## represents ##STR3## has an excellent antitumor activity and is useful as an antitumor agent.