Phenol separation
US5538599A · kind A · utility
0Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1995 |
| Grant date | Jul 23, 1996 |
| Priority date | — |
| Expiry date | Jun 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/17
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is provided whereby phenol is separated from 1-phenyl ethanol, acetophenone or mixtures by extractive distillation with sulfolane as extractive distillation agent which decreases phenol volatility relative to 1-phenyl ethanol and acetophenone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.