Refrigeration oil and working fluid composition for refrigeration oil
US10047315B2 · kind B2 · utility
1Cited by
1References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 11, 2015 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Nov 11, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a refrigerating machine oil comprising: a base oil comprising an ester of a polyhydric alcohol and a fatty acid comprising 20 to 100% by mol of a branched fatty acid having 4 to 9 carbon atoms; and 0.2 to 0.5% by mass of a phenol-based antioxidant based on a total amount of the refrigerating machine oil, and the refrigerating machine oil being used with trifluoroethylene refrigerant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.