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. 03, 2012
Filed:
Jan. 14, 2009
Applicants:
Thomas Foo, Wilmington, DE (US);
James Michael Garner, Wilmington, DE (US);
Ron Ozer, Arden, DE (US);
Paul S. Pearlman, Thornton, PA (US);
Inventors:
Thomas Foo, Wilmington, DE (US);
James Michael Garner, Wilmington, DE (US);
Ron Ozer, Arden, DE (US);
Paul S. Pearlman, Thornton, PA (US);
Assignee:
Invista North America S.A R.L., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 253/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a hydrocyanation process to produce adiponitrile and other dinitriles having six carbon atoms, in the presence of catalyst composition comprising a zero-valent nickel and at least one bidentate phosphorus-containing ligand wherein the bidentate phosphorus-containing ligand gives acceptable results according to at least one protocol of the 2-Pentenenitrile Hydrocyanation Test Method.