Purification of bisphenol-A
US4294993A · kind A · utility
10Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1980 |
| Grant date | Oct 13, 1981 |
| Priority date | — |
| Expiry date | Apr 14, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/84
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pure bisphenol-A can be obtained by treating the adduct of the latter and phenol with either toluene or a mixture of toluene and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.