Cleaning composition
US4517108A · kind A · utility
9Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1983 |
| Grant date | May 14, 1985 |
| Priority date | — |
| Expiry date | Sep 23, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/5086
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning composition containing 1,1,2,2-tetrachloro-1,2-difluoroethane, 1,1,2-trichloro-1,2,2-trifluoroethane and at least one other organic solvent having a melting point of not more than 15.degree. C. and a boiling point of 40.degree. to 150.degree. C. and capable of forming an azeotrope with at least one of said 1,1,2,2-tetrachloro-1,2-difluoroethane and 1,1,2-trichloro-1,2,2-trifluoroethane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.