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. 16, 1989
Filed:
Mar. 09, 1987
Applicant:
Inventors:
Setsuro Fujii, Kyoto, JP;
Hiroshi Ishikawa, Otsu, JP;
Koichi Yasumura, Otsu, JP;
Koichiro Jitsukawa, Otsu, JP;
Sachio Toyama, Aichi, JP;
Hidetsugu Tsubouchi, Toyonaka, JP;
Kimio Sudo, Otsu, JP;
Kouichi Tsuji, Otsu, JP;
Assignee:
Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514210 ; 540300 ;
Abstract
A 2-oxa-isocephem compound of the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined, pharmaceutically acceptable salts thereof, esters of the carboxy group in the 4-position thereof and quaternary ammonium salts thereof, composition containing the same and processes for preparing the same are disclosed. The compound is useful as an antimicrobial compound.