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:
May. 08, 1990
Filed:
Sep. 09, 1988
Applicant:
Inventors:
Hirofumi Nakano, Tokyo, JP;
Isami Takahashi, Tokyo, JP;
Michio Ichimura, Nashville, TN (US);
Isao Kawamoto, Kanagawa, JP;
Kozo Asasno, Ibaraki, JP;
Fusao Tomita, Tokyo, JP;
Hiroshi Sano, Tokyo, JP;
Toru Yasuzawa, Tokyo, JP;
Makoto Morimoto, Shizouka, JP;
Kazuhisa Fujimoto, Kanagawa, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07_ / ; C12P / ;
U.S. Cl.
CPC ...
546 84 ; 548421 ; 435119 ;
Abstract
The present invention relates to DC-88A and DC-89A1 and their production. These compounds are obtained by fermentation of microorganisms belonging to the genus Streptomyces. These compounds have antibacterial and anti-tumor activities and are useful as medicaments.