Refrigerator lubricant compositions
US7176169B2 · kind B2 · utility
6Cited by
8References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2003 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Apr 28, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant composition for use in a rotary vane compressor has a base oil component that comprises an alkylbenzene as a major component thereof and a polyol ester as a minor component thereof. In particular, the base oil component comprises at least 55% by weight of alkylbenzene and at most 45% by weight of a polyol ester, more preferably between 55% and 75% by weight of alkylbenzene and between 45% and 25% by weight of polyol ester and, especially, between 60% and 75% by weight of alkyl benzene and between 45% and 25% by weight of polyol ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.