Production of C.sub.4 to C.sub.12 amines
US4885391A · kind A · utility
9Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 1988 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Jan 14, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/48
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the hydrogenation of C.sub.4 to C.sub.12 nitriles using a Raney cobalt catalyst promoted with chromium in which the catalyst activity is maintained by the addition of water. The process is particularly attractive to produce diamines by the hydrogenation of dinitriles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.