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:
Dec. 13, 1976
Filed:
Oct. 21, 1974
Mitsuru Yoshioka, Toyonaka, JA;
Masayuki Murakami, Itami, JA;
Yuji Sendo, Nishinomiya, JA;
Sadao Miyazaki, Toyonaka, JA;
Koji Ishikura, Amagasaki; all of, JA;
Shionogi & Co., Ltd., Osaka, JA;
Abstract
Antibacterial cephalosporin compounds of the following formula: ##STR1## wherein A and B each is a hydrogen, organic or inorganic acyl, or A and B combined together are a diacyl group derived from a polybasic acid; Y is a hydrogen or methoxy; R is a hydrogen or lower alkyl; R' is a hydrogen, alkali metal, organic base group or easily removable protecting group; m is 0 or 1; Z is an optionally substituted guanylhydrazono group, preparable from the corresponding oxo compound or its reactive derivative by reacting with a guanylhyrazine of the formula H.sub.2 Z or its reactive derivative, or by some other reactions.