Refrigerator oil composition
US6231782A · kind A · utility
18Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A refrigerating machine oil composition comprising: PA1 (A) a hydrocarbon oil; and PA1 (B) an alicyclic polycarboxylic acid ester compound having an alicyclic ring and at least two ester groups represented by formula (1) bonded to adjacent carbon atoms of the alicyclic ring: EQU --COOR.sup.1 (1) wherein R.sup.1 represents a hydrocarbon group having 1-30 carbon atoms, and R.sup.1 of each of the ester groups may be the same or different from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.