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:
Jun. 20, 1978
Filed:
Feb. 23, 1977
Applicant:
Inventor:
Linda P Seiwell, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260581 ;
Abstract
p-Aminobenzotrifluoride is prepared by aminating p-chlorobenzotrifluoride in an essentially nonaqueous solvent in the presence of a catalyst system comprising a copper compound and a selected salt compound. Exemplary is the reaction of p-chlorobenzotrifluoride with ammonia in the presence of cuprous chloride and potassium fluoride to yield p-aminobenzotrifluoride.