Catalytic hydrogenation process
US4137267A · kind A · utility
9Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1977 |
| Grant date | Jan 30, 1979 |
| Priority date | — |
| Expiry date | Feb 22, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/48
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A catalytic hydrogenation process for preparing alkyl-1,3-diaminopropanes by contacting an alkyl aminopropionitrile in the liquid phase with hydrogen and ammonia in the presence of a non-reactive organic solvent and a hydrogenation catalyst, the process conducted at a rising reaction temperature (.DELTA.T) along with the progressive vaporization of the solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.