Working fluid containing chlorotetrafluoroethane
US5470496A · kind A · utility
2Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1994 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | May 23, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/122
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A working fluid containing chlorotetrafluoroethane and at least two fluorinated hydrocarbons having a boiling point of not higher than -40.degree. C. under atmospheric pressure selected from the group consisting of methane derivatives and ethane derivatives which consist of one or two carbon atoms, hydrogen atoms and fluorine atoms, which has very small influence on the ozone layer in the stratosphere and decreased flammability and is suitable as a substitute working fluid for chlorodifluoromethane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.