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. 19, 1980
Filed:
Sep. 07, 1978
Applicant:
Inventor:
Pierre Barthelemy, Barbery, FR;
Assignee:
Roussel Uclaf, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 30 ; 424246 ; 544 19 ;
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-aminocephalosporanic acid starting from a compound of formula I.