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. 30, 1982
Filed:
Apr. 11, 1978
Applicant:
Inventors:
Assignee:
Agence Nationale de Valorisation de la Recherche, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602444 ;
Abstract
A process for the preparation of a compound of formula (V) and salts thereof ##STR1## wherein R.sub.1 is selected from the group consisting of a hydrogen atom, an alkyl radical, a formyl radical and an acyl radical;