Purification of alpha naphthol-containing feedstock by adsorption
US4962273A · kind A · utility
1Cited by
14References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1988 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Oct 31, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An adsorptive separation process useful in the purification of alpha naphthol-containing feed mixtures, said process comprising the employment of a type X, type Y or a de-aluminated type Y zeolite material and a desorbent material comprising a primary alcohol or an alkyl ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.