Compositions comprising a fluoro ether and use of these compositions
US5304320A · kind A · utility
33Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1992 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | Aug 17, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/05
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to azeotropic and pseudoazeotropic compositions comprising difluoromethoxy-2,2,2-trifluoroethane with 2,2-dichloro-1,1,1-trifluoroethane or with 1,1-dichloro-1-fluoroethane. These compositions can be employed as solvents, especially for cleaning electronic components and for degreasing metals, as blowing agents, especially for the preparation of polyurethane foams, or as refrigerants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.