Process for purifying 1-chloro-3,3,3-trifluoropropene
US11912640B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Apr 1, 2020 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Oct 31, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/395
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for neutralizing a composition A comprising 1-chloro-3,3,3-trifluoropropene, 1,1-dichloro-1,3,3-trifluoropropane and one or more acid compound(s) of formula HX with X═F or Cl; said process comprising the step a) of bringing said composition A into contact with a solution B under conditions capable of limiting the formation of 1-chloro-1,3,3-trifluoropropene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.