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:
Aug. 11, 1992
Filed:
Jul. 17, 1989
Applicant:
Inventors:
Keiichi Takahashi, Susono, JP;
Michio Ichimura, Shizuoka, JP;
Shigeo Katsumata, Mishima, JP;
Tatsuhiro Ogawa, Shizuoka, JP;
Makoto Morimoto, Shizuoka, JP;
Tadashi Ashizawa, Numazu, JP;
Masaji Kasai, Fujisawa, JP;
Kenichi Muroi, Hofu, JP;
Hiromitsu Saito, Sagamihara, JP;
Hiroshi Sano, Machida, JP;
Toru Yasuzawa, Sakai, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546 84 ; 548433 ;
Abstract
Novel DC-89 compounds represented by the general formula: ##STR1## wherein X represents a single bond or --CH.sub.2 --; and when X represents a single bond, Y represents --CH.sub.2 Br or --CH.sub.2 Cl and when X represents --CH.sub.2 --, Y represents Br, are obtained by the present invention. The compounds have antibacterial and anti-tumor activity.