Azeotropic or azeotropic-like composition of hydrochlorofluoropropane
US5320683A · kind A · utility
27Cited by
16References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1992 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Sep 4, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/5045
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A hydrochlorofluoropropane azeotropic or azeotropic-like composition comprising at least two members selected from the group consisting of hydrochlorofluoropropanes of the formula I: EQU CH.sub.a Cl.sub.b F.sub.c CF.sub.2 CH.sub.x Cl.sub.y F.sub.z (I) wherein a+b+c=3, x+y+z=3, a+x.gtoreq.1, b+y.gtoreq.1, and 0.ltoreq.a,b,c,x,y,z.ltoreq.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.