Working fluids comprising fluorinated olefins and polyol esters
US9683158B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | May 24, 2016 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | May 24, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
High viscosity working fluids comprising a fluorinated olefin refrigerant, such as a hydrofluoro-olefin refrigerant, and a high viscosity polyol ester comprising a select mixture of alkylcarboxy esters of pentaerythritol, di-pentaerythritol, tri-pentaerythritol and pentaerythritol oligomers are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.