Extractive distillation of C.sub.4 hydrocarbons with an extractant mixture
US4076595A · kind A · utility
5Cited by
5References
10Claims
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Assignee
Inventor
Key dates
| Filing date | Oct 13, 1976 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Oct 13, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A mixture of methylethylsulfone and at least one compound from the group including methylethylketone, acetone, and tetrahydrofuran is employed as a selective solvent in extractive distillation process for separation of diolefins from olefins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.