Non-flammable or weakly flammable cooling mixtures, characterised by low relative volatility for two-phase heat-exchange systems
US10836940B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jun 15, 2017 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Jun 15, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a cooling mixture comprising a fluorinated compound and a non-fluorinated compound, wherein the fluorinated compound is a hydrofluoroether and the non-fluorinated compound includes a carbonyl function, which has a flash point no lower than 23° C. and which is characterised by having low relative volatility. The present invention likewise relates to the use of such a mixture as a coolant in a heat-exchange device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.