Production of carboxylic acids from nitriles
US4174452A · kind A · utility
1Cited by
2References
14Claims
0Family size
Inventors
Key dates
| Filing date | Feb 13, 1978 |
| Grant date | Nov 13, 1979 |
| Priority date | — |
| Expiry date | Feb 13, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A nitrile, such as terephthalonitrile or nicotinonitrile is reacted with water, in the vapor phase, in the presence of a catalyst, such as supported phosphoric acid, to produce the corresponding carboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.