Method for preparing an imide salt containing a fluorosulphonyl group
US12024425B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | May 21, 2019 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Sep 18, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for preparing a compound having the following formula (IV): R2—(SO2)—NLi—(SO2)—F (IV), the method including a step a) of reacting a sulphamide having the following formula (A): R0—(SO2)—NH2 (A) with at least one sulphur-containing acid and at least one chlorinating agent, the step a) being carried out: at a temperature between 90° C. and 130° C., and at a pressure which is strictly greater than 7 bar (absolute).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.