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. 28, 1978
Filed:
Jun. 15, 1977
Applicant:
Inventors:
Shoichiro Uyeo, Toyonaka, JA;
Hikaru Itani, Ibaraki, JA;
Tsutomu Aoki, Sennan, JA;
Teruji Tsuji, Takatsuki, JA;
Wataru Nagata, Nishinomiya, JA;
Assignee:
Shionogi & Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424271 ;
Abstract
Compounds of the formula: ##STR1## (where COB is carboxy or protected carboxy and X is hydrogen or nucleophilic group) preparable by oxidation of the corresponding N-nitrosopenicillin derivatives are useful as starting materials for synthesizing known and useful cephalosporins.