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:
Mar. 03, 1987
Filed:
Apr. 03, 1985
Eiji Kondo, Osaka, JP;
Yoshimi Kawamura, Osaka, JP;
Takao Konishi, Osaka, JP;
Koichi Matsumoto, Osaka, JP;
Junichi Shoji, Osaka, JP;
Shionogi & Co., Ltd., Osaka, JP;
Abstract
Antibiotics DO-248-A and DO-248-B of the following Formula I: ##STR1## wherein R is ethyl or isopropyl, have antibacterial activity against acid-fast bacteria. DO-248-A, DO-248-B, or their pharmaceutically acceptable salts are, as an active ingredient of anti-fast-acid drugs, orally or parenterally administered to human beings or animal. DO-248-A and DO-248-B are prepared by incubating an antibiotic DO-248-A- and/or DO-248-B-producing microorganism belonging to genus Streptoverticillium in a medium and recovering antibiotic DO-248-A and/or DO-248-B from the culture broth.