Compositions for bis-(fluoromethyl)ether
US5723684A · kind A · utility
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2Claims
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Assignee
Inventors
Key dates
| Filing date | May 21, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | May 21, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C41/01
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A composition comprising bis(fluoromethyl)ether and less than an equimolar amount of water, a process for the production of the composition comprising contacting formaldehyde with hydrogen fluoride and separating at least some of the by-product water from bis(fluoromethyl)ether, and use of the composition for the production of difluoromethane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.