Hydrofluoroolefin compositions
US8075798B2 · 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 13, 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: 2 to 55% by weight, of 2,3,3,3-tetrafluoropropene, 2 to 55% by weight of HFC-152a and 30 to 55% by weight of HFC-32.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.