Refrigerating-machine oil composition and working fluid composition including same for refrigerating machine
US10266788B2 · kind B2 · utility
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4References
7Claims
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Key dates
| Filing date | Feb 6, 2015 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Feb 6, 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 composition which comprises the following ester additive (a) and the following ester base oil (b), the content of the ester additive (a) being 5-45 mass % with respect to the total amount of the refrigerating-machine oil composition. Ester additive (a): At least one ester of isotridecanoic acid with pentaerythritol Ester base oil (b): Polyhydric-alcohol esters comprising esters of two or more aliphatic monocarboxylic acids selected from among C4-9 aliphatic monocarboxylic acids with pentaerythritol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.