Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods
US12187821B2 · kind B2 · utility
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Key dates
| Filing date | Oct 20, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Jun 24, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for producing a fluorosulfonyl group-containing compound to obtain a compound represented by the following formula 5 from a compound represented by the following formula 1 as a starting material and a method for producing a fluorosulfonyl group-containing monomer in which the fluorosulfonyl group-containing compound is used: wherein R1 and R2 are a C1-3 alkylene group, and RF1 and RF2 are a C1-3 perfluoroalkylene group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.