Method for producing 1-chloro-3,3,3- trifluoropropene
US11242304B2 · kind B2 · utility
3Cited by
27References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2019 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | May 13, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/206
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing 1-chloro-3,3,3-trifluoropropene, comprising the step i) of contacting hydrofluoric acid (HF) in a reactor with a starting composition comprising at least one of the chloro compounds selected from the group consisting of 1,1,3,3-tetrachloropropene (1230za), 1,3,3,3-tetrachloropropene (1230zd) and 1,1,1,3,3-pentachloropropane (240fa), or a mixture thereof, to produce a stream A comprising 1-chloro-3,3,3-trifluoropropene (1233zd), characterized in that said step i) is carried out in a low-HF liquid phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.