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:
Sep. 02, 1980
Filed:
Jan. 10, 1978
Applicant:
Inventors:
Teruji Tsuji, Takatsuki, JP;
Mitsuru Yoshioka, Toyonaka, JP;
Shoichiro Uyeo, Toyonaka, 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 / ; C07D / ;
U.S. Cl.
CPC ...
544182 ; 544333 ; 544405 ; 546271 ; 546144 ; 546170 ; 546167 ; 546147 ; 548125 ; 548136 ; 548182 ; 548218 ;
Abstract
Useful intermediates for preparing a 1-dethia-1-oxacephalosporin and represented by the following formula: ##STR1## (wherein R is a monovalent group resulting from the elimination of the carbonyl function of an acyl group derived from a carboxylic or carbonic acid;