Refrigerant mixture of trichlorofluoromethane and dichlorohexafluoropropane
US4687588A · kind A · utility
4Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1986 |
| Grant date | Aug 18, 1987 |
| Priority date | — |
| Expiry date | Aug 5, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K5/044
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A refrigerant mixture consisting essentially of trichlorofluoromethane (R-11) and dichlorohexafluoropropane (R-216) which has a higher saturated vapor density than that of pure R-11 and which exhibits an azeotrope at approximately 74% by weight of R-11 and 26% by weight of R-216.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.