Transalkyation processes in the presence of sulfolane
US11001544B2 · kind B2 · utility
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27Claims
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Key dates
| Filing date | May 12, 2020 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | May 12, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C6/126
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Co-feeding sulfolane into a transalkylation reactor along with the aromatic hydrocarbon feed(s) can improve benzene purity of the benzene product stream produced from the transalkylation product mixture, especially at the beginning phase of a catalyst cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.