Hydrofluoroolefin compositions
US8070977B2 · kind B2 · utility
64Cited by
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2Claims
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Assignee
Inventor
Key dates
| Filing date | May 14, 2009 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | May 14, 2029 |
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: 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.