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. 16, 1999
Filed:
Jan. 25, 1999
Applicant:
Inventors:
Emilio Enrique Bunel, Wilmington, DE (US);
Theodore Augur Koch, Wilmington, DE (US);
Ronnie Ozer, Wilmington, DE (US);
Shawn Homer Phillips, Canyon Country, CA (US);
Sourav Kumar Sengupta, 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 ...
558353 ; 558452 ;
Abstract
Process for producing 6-aminocapronitrile and/or hexamethylenediamine by hydroformylating 3-pentenenitrile, isolating a formylvaleronitrile (FVN) mixture from the hydroformylation reaction product, reductively aminating the FVN mixture and isolating the desired product.