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. 21, 1990
Filed:
Oct. 24, 1988
Applicant:
Inventors:
Setsuro Fujii, Kyoto, JP;
Hiroshi Ishikawa, Otsu, JP;
Koichi Yasumura, Otsu, JP;
Koichiro Jitsukawa, Ashiya, JP;
Sachio Toyama, Otsu, JP;
Hidetsugu Tsubouchi, Otsu, JP;
Kimio Sudo, Otsu, JP;
Koichi Tsuji, Otsu, JP;
Assignee:
Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514210 ; 540205 ;
Abstract
There is described a 2-oxa-isocephem compound of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.4 are as defined, and R.sup.3 is a group of the formula: ##STR2## wherein n, m, R.sup.6, R.sup.7, B.sup.- and l are as defined, or pharmaceutically acceptable salt thereof. The compound has antimicrobial activity.