Refrigerator oil and working fluid composition for refrigerators
US10513666B2 · kind B2 · utility
1Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 29, 2016 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Jul 4, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/70
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a refrigerating machine oil comprising as a base oil at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and being used in combination with a (Z)-1,1,1,4,4,4-hexafluoro-2-butene refrigerant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.