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. 10, 1981
Filed:
Sep. 28, 1979
Applicant:
Inventor:
Pierre Barthelemy, Barbery, FR;
Assignee:
Roussel Uclaf, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544030 ; 424246 ;
Abstract
A novel compound selected from the group consisting of the compound of the formula ##STR1## the metal salts, the ammonium salt and the salts with nitrogen bases, a process for the preparation of the said compounds and a process for the preparation of 7-amino-cephalosporanic acid starting from a compound of formula I.