Hydrocyanation of pentenenitriles
US8088943B2 · kind B2 · utility
3Cited by
132References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2009 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Mar 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.