Manufacture of adipic acid
US5710325A · kind A · utility
3Cited by
6References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 1, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Nov 1, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention provides a process for the preparation of adipic acid from pentenoic acids or esters of pentenoic acids by hydrocarboxylation of a reaction mixture in which gamma-valerolactone constitutes 30 to 70% by weight of the reaction mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.