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:
Nov. 28, 1978
Filed:
Mar. 07, 1977
Applicant:
Inventor:
Emile Braye, Auterive, FR;
Assignee:
Parcor, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546114 ; 424256 ;
Abstract
This invention relates to a process for the preparation of thieno-pyridine derivatives having the structural formula: ##STR1## in which R.sub.1 represents an optionally substituted alkyl, aryl or aralkyl radical, and R.sub.2 and R.sub.3 represnt each hydrogen or a lower alkyl, aryl or heterocyclic radical, comprising: