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:
Jun. 27, 2000
Filed:
Aug. 13, 1998
Yutaka Kanda, Tokyo, JP;
Hitoshi Arai, Shizuoka, JP;
Hiroyuki Yamaguchi, Tokyo, JP;
Tadashi Ashizawa, Shizuoka, JP;
Shun-ichi Ikeda, Osaka, JP;
Chikara Murakata, Shizuoka, JP;
Tatsuya Tamaoki, Shizuoka, JP;
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Abstract
DC107 derivatives represented by formula (I) or pharmaceutically acceptable salts thereof which have antimicrobial activity and antitumor activity are provided: ##STR1## wherein R.sup.1 represents CO(CR.sup.4A R.sup.4B).sub.n1 (O(CH.sub.2).sub.p1).sub.n2 OR.sup.5 {wherein n1 represents an integer of 1 or 2; R.sup.4A and R.sup.4B are the same or different, and each represents hydrogen or lower alkyl; p1 and n2 each represents an integer of 1 to 10; and R.sup.5 represents hydrogen, lower alkyl, or the like), or ##STR2##