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:
May. 15, 1979
Filed:
May. 13, 1977
Applicant:
Inventors:
Dieter Schneider, Ludwigshafen, DE;
Horst Scheuermann, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ; 2604 / ; 2605 / ; 542423 ;
Abstract
N',N'-disubstituted N-(2-cyanophenyl)-formamidines are manufactured by reacting isatoic anhydrides with ammonia and then with a mixture of acid halides and formamides. The N-(2-cyanophenyl)-formamidines which may be manufactured by the process of the invention are valuable starting materials for the manufacture of dyes, crop protection agents and drugs.