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. 12, 2016
Filed:
Jun. 05, 2009
Applicant:
Sergio Mastroianni, Lyons, FR;
Inventor:
Sergio Mastroianni, Lyons, FR;
Assignee:
INVISTA NORTH AMERICA S.A R.L., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 255/04 (2006.01); C07C 253/10 (2006.01); B01J 31/24 (2006.01); B01J 31/18 (2006.01);
U.S. Cl.
CPC ...
C07C 253/10 (2013.01); B01J 31/185 (2013.01); B01J 31/2404 (2013.01); B01J 2231/32 (2013.01); B01J 2531/847 (2013.01);
Abstract
A process for the hydrocyanation of a hydrocarbon-based compound having at least one site of ethylenic unsaturation into a nitrile compound includes reaction thereof, in a liquid medium, with hydrogen cyanide in the presence of a catalyst containing a metal element selected from among the transition metals and an organophosphorus ligand, wherein the organophosphorus ligand is a mixture of at least one monodentate organophosphite compound and at least one monodentate organophosphine compound; the subject process is especially useful for the synthesis of adiponitrile from butadiene.