Hydrofluoroolefin compositions
US8252198B2 · kind B2 · utility
50Cited by
0References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2011 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Nov 14, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having from 5 to 65% by weight, preferably from 5 to 15% by weight, of 2,3,3,3-tetrafluoropropene, 5 to 70% by weight, preferably 40 to 60% by weight, of HFC-134a and 25 to 42% by weight of HFC-32.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.