Separation process for C8 aromatics mixture
US10427994B2 · kind B2 · utility
0Cited by
8References
15Claims
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Key dates
| Filing date | Sep 5, 2014 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Nov 7, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for the distillative separation of ethylbenzene from a mixture comprising ethylbenzene and at least one other C8 aromatic compound, comprising distilling said mixture in a distillation column in the presence of an extractive solvent, characterized in that the distillation column is operated at a sub-atmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.