Production of high purity phenol by steam distillation
US4851086A · kind A · utility
5Cited by
9References
11Claims
0Family size
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Inventors
Key dates
| Filing date | Oct 31, 1983 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Oct 31, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/76
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Crude phenol, containing AMS by-product, and MBF impurity, is distilled in the presence of water to separate MBF impurity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.