Pentafluoropropene-based compositions
US6858571B2 · kind B2 · utility
80Cited by
8References
72Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2003 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Oct 27, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene (“HFO-1243zf”), 1,1-difluoroethane (“HFC-152a”), trans-1,3,3,3-tetrafluoropropene (“HFO-1234ze”), and combinations of two or more thereof. Also provided are uses thereof including as refrigerants, blowing agents, sprayable compositions, flame suppressant, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.