Compositions consisting of hydrogenated fluorocarbons
US5543071A · kind A · utility
1Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1995 |
| Grant date | Aug 6, 1996 |
| Priority date | — |
| Expiry date | Aug 28, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Nearly azeotropic compositions consisting of hydrogenated fluorocarbons, suitable as freezing mixture in conditioning plants, essentially consisting of: PA1 (A) from 38 to 53% by weight of R22; PA1 (B) from 34 to 56% by weight of R124 and/or R124A; PA1 (C) from 2 to 13.5% by weight of R600 and/or R600A.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.