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:
Jan. 15, 1980
Filed:
Feb. 24, 1978
Applicant:
Inventors:
Mitsuru Yoshioka, Toyonaka, JP;
Shoichiro Uyeo, Toyonaka, JP;
Teruji Tsuji, Takatsuki, JP;
Yoshio Hamashima, Kyoto, JP;
Ikuo Kikkawa, Takarazuka, JP;
Wataru Nagata, Nishinomiya, JP;
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 544 90 ; 544 92 ; 2602453 ; 2602 / ;
Abstract
Intermediates (I) for preparing a potent antibacterial, 1-oxadethiacephalosporin, are shown by the following formula ##STR1## (wherein R is a group of acyl-minus-carbonyl derived from a carboxylic or carbonic acid;