Refrigerating machine composition comprising a fluorine-containing polyether oil
US5066410A · kind A · utility
9Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1990 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | May 1, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an oil for a refrigerating machine using a hydrogen-containing halogenated hydrocarbon as a refrigerant, the oil comprising a fluorine-containing polyether having repeated units represented by the formula EQU (--CF.sub.2 CF.sub.2 CF.sub.2 O).sub.l (CHFCF.sub.2 CF.sub.2)).sub.m (CH.sub.2 CF.sub.2 CF.sub.2 O).sub.n (I) wherein l, m and n are all an integer of at least zero, the polyether being capable of satisfying the relationship represented by ##EQU1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.