Process for the condensation of an aldehyde with hydrogen cyanide
US5756803A · kind A · utility
7Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1996 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | Apr 24, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the condensation of an aldehyde with hydrogen cyanide in the presence of a buffer is disclosed. The buffer advantageously allows the condensation reaction to occur at a pH equal to or above 4.0 and in the absence of amines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.