Process for removal of acidic compounds from phenol process streams
US5491268A · kind A · utility
9Cited by
15References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1994 |
| Grant date | Feb 13, 1996 |
| Priority date | — |
| Expiry date | Sep 23, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for purifying phenol, phenol-type compounds, and substituted phenol and phenol-type compounds of contamination by components more acidic than the phenol component comprising treating a phenol containing process stream by contacting the stream with an amphoteric porous inorganic oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.