Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane,1,2-dichloroethylene, and alkanol having 3 to 7 carbon atoms
US4961870A · kind A · utility
11Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1989 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Dec 14, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G5/0288
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Azeotrope-like compositions comprising 1,1,2-trichloro-1,2,2-trifluoroethane; 1,2-dichloroethylene; and alkanol having 3 to 7 carbon atoms have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing a printed circuit boards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.