Solvent exchange process
US6320061A · kind A · utility
2Cited by
26References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2000 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Jun 5, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/62
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for recovering an organic acid or a metal salt thereof includes contacting an alcoholic phase containing one or more organic acid(s) or metal salt(s) thereof with water under conditions effective to provide an aqueous phase containing a portion of the organic acid(s) or metal salt(s) thereof. The aqueous phase does not contain substantial amounts of the alcohol(s). This process can also include recovery of the organic acid(s) or metal salt(s) thereof from the aqueous phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.