Process for recovering water-miscible solvents
US4072580A · kind A · utility
1Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1976 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Jan 26, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J11/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A water-miscible organic solvent is recovered from a mixture containing the solvent and water by adding an inert compound which is immiscible with the water and has a vapor pressure of no more than 5 mm Hg (abs.) at 100.degree. C. to the mixture and thereafter distilling off the organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.