Lubricant composition comprising an aliphatic substituted naphthalene alone or in combination refrigeration systems
US6267907A · kind A · utility
11Cited by
16References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1999 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Jun 3, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant-refrigerant composition for a compression refrigeration system is disclosed which comprises PA1 (A) carbon dioxide refrigerant, and PA1 (B) a lubricant of an aliphatic naphthalene. A supplemental lubricant comprising at least one alkyl benzene, a hydrocarbon, a polyalkylene glycol, a polyol ester or a polyvinyl ether may also be present. Additionally, a performance additive comprising an alkoxylated alcohol or phenol, an alkoxylated glycol, an alkyl phenol or a phosphorus compound may also be present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.