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:
Jan. 02, 1979
Filed:
Feb. 28, 1977
Applicant:
Inventor:
Richard V Norton, Wilmington, DE (US);
Assignee:
Suntech, Inc., Wayne, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
546286 ; 2603 / ; 2603 / ; 2603 / ; 26034611 ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604651 ; 2604 / ;
Abstract
A process for the preparation of aromatic nitriles which comprises reacting an organic carboxylic acid with an aromatic o-dinitrile whereby the nitrile of the acid is obtained with cyclic imide by-product and the imide by-product is converted to dinitrile and recycled to the reaction.