Refrigerating machine oil composition
US6355186B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2000 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Aug 4, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A refrigerating machine oil composition comprising an alicylic dicarboxylic acid ester compound having an alicyclic ring and two ester groups represented by formula (1) bonded to adjacent carbon atoms of the alicyclic ring:—COOR1  (1)wherein R1 represents an alkyl group having 1-18 carbon atoms, said alicyclic dicarboxylic acid ester compound being obtained by using an alcohol component comprising (a) at least one alcohol selected from a group consisting of fatty alcohols each having 1 to 5 carbon atoms; and (b) at least one alcohol selected from a group consisting of fatty alcohols each having 6 to 18 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.