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:
Mar. 12, 2013
Filed:
Feb. 07, 2011
James Michael Garner, Wilmington, DE (US);
Christian P. Lenges, Wilmington, DE (US);
Ronald J. Mckinney, Wilmington, DE (US);
Wilson Tam, Boothwyn, PA (US);
James Michael Garner, Wilmington, DE (US);
Christian P. Lenges, Wilmington, DE (US);
Ronald J. McKinney, Wilmington, DE (US);
Wilson Tam, Boothwyn, PA (US);
Invista North America S.A R.L., Wilmington, DE (US);
Abstract
The invention provides a process for hydrocyanation, comprising: contacting 2-pentenenitrile with hydrogen cyanide at a temperature in the range of about 0° C. to about 150° C. in the presence of at least one Lewis acid promoter and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one bidentate phosphite ligand selected from a member of the group represented by Formula I and Formula II, in which all like reference characters have the same meaning, except as further explicitly limited: wherein Rand Rare independently selected from the group consisting of Cto Chydrocarbyl; and R, R, R, R, Rand Rare independently selected from the group consisting of H and Cto Chydrocarbyl.