Ternary azeotropic or quasi-azeotropic composition comprising HF, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane
US11001546B2 · kind B2 · utility
9Cited by
54References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2019 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Feb 1, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/383
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane, characterized in that said composition has a boiling point above 40° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.