Methacrylic acid separation
US4554054A · kind A · utility
13Cited by
10References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1983 |
| Grant date | Nov 19, 1985 |
| Priority date | — |
| Expiry date | Dec 9, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/48
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process to recover acrylic acid or methacrylic acid by using a split quench process which allows acrylic acid or methacrylic acid to be recovered from the resulting aqueous solutions by a combination of solvent extraction and azeotropic dehydration that minimizes the amount of solvent required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.