Separation of 1-butanol from 2-pentanol by extractive distillation
US5401366A · kind A · utility
8Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1994 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Jul 11, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C31/125
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1-Butanol is difficult to separate from 2-pentanol by conventional distillation or rectification because of the proximity of their boiling points. 1-Butanol can be readily separated from 2-pentanol by extractive distillation. Effective agents are ethyl benzene, d-limonene and terpinolene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.