Compositions for compression refrigeration and methods of using them
US4971712A · kind A · utility
58Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1989 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Jun 2, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A blend of a tetrafluoroethane or pentafluoroethane refrigerant with a mono-functional random polyalkylene glycol based on significant amounts of ethylene oxide and propylene oxide and having an SUS viscosity at 100.degree. F. of 100 to 1200 is disclosed for use in compression refrigeration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.