Patent · US Active

Hydrocyanation of pentenenitriles

US8088943B2 · kind B2 · utility

3Cited by
132References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 2009
Grant dateJan 3, 2012
Priority date
Expiry dateMar 1, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C253/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.