Process for the preparation of haloalkanesulfonic acids from sulfur trioxide and a haloalkane at superacidic conditions
US12168641B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Mar 17, 2020 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Jul 25, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C303/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention refers to a method for the production of haloalkane sulfonic acid, in which SO3 and an haloalkane are contacted with each other in the presence of a solvent, said solvent does constitute a superacid and the combination of said solvent with one or more of the reactants also gives rise to a superacid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.