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:
Feb. 14, 1978
Filed:
May. 12, 1976
Applicant:
Inventors:
Eiji Kondo, Ikeda, JA;
Takashi Mitsugi, Izumiotsu, JA;
Assignee:
Shionogi & Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12D / ;
U.S. Cl.
CPC ...
195 / ; 195 / ;
Abstract
Penicillin or cephalosporin antibiotics represented by following formula: ##STR1## where ##STR2## is an acyl group derived from an .alpha.-amino acid, N-ammonium salt of .alpha.-amino acid, or N--(C.sub.1 to C.sub.10) acyl-.alpha.-amino acid; COOM is carboxy or carboxylate salt group! Are prepared by treating an amino compound selected from a group consisting of 6-aminopenicillanic acid, 7-aminocephalosporanic acid, 7-aminodeacetoxycephalosporanic acid, and their salts with an ester represented by following formula: