Refrigerator oil composition
US6228282A · kind A · utility
12Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A refrigerating machine oil composition comprising: PA1 (A) 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; and PA1 (B) at least one epoxy compound selected from a group consisting of glycidyl ester epoxy compounds and alicyclic epoxy compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.