Azeotropic compositions of 1,1,2-trichlorotrifluoroethane and trans-1,2-dichloroethylene with ethanol, N-propanol, isopropanol and acetone or with ethanol or acetone and nitromethane
US4877545A · kind A · utility
11Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1988 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | Dec 29, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Azeotropic mixtures of 1,1,2-trichlorotrifluoroethane (CFC-113) with trans-1,2-dichloroethylene and ethanol, n-propanol, isopropanol or acetone. Also, Azeotropic mixtures of 1,1,2-trichlorotrifluoroethane (CFC-113), trans-1,2-dichloroethylene and ethanol or acetone with nitromethane are disclosed. The azeotropic mixtures are useful in solvent cleaning applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.