Separation of 1-butanol from 2-pentanol by azeotropic distillation
US5417813A · kind A · utility
9Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1994 |
| Grant date | May 23, 1995 |
| Priority date | — |
| Expiry date | Jul 11, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C31/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1-Butanol is difficult to semarate 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 azeotropic distillation. Effective agents are 1-octene, hexane and methyl cyclohexane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.