Method for producing 1,1,2-trifluoroethane (HFC-143)
US11780793B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2021 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Jan 14, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/25
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides a method for producing HFC-143 at low cost and more efficiently than when using conventional methods. Specifically, the present disclosure provides a method for producing 1,1,2-trifluoroethane (HFC-143), comprising performing one or more fluorination reactions by bringing at least one chlorine-containing compound selected from the group consisting of 2-chloro-1,1-difluoroethane (HCFC-142) and 1-chloro-1,2-difluoroethane (HCFC-142a) into contact with hydrogen fluoride to obtain a reaction gas containing HFC-143, hydrogen chloride, and hydrogen fluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.