Azeotropic compositions of perfluorohexane and hydrocarbons having 6 carbon atoms and the use thereof in the production of foams
US5614565A · kind A · utility
2Cited by
19References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1995 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Mar 24, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Azeotropic compositions made up of (a) from about 73 to about 88% by weight perfluorohexane and (b) one compound selected from (1) about 14 to about 27% by weight 2-methyl pentane or (2) about 13 to about 25% by weight 3-methyl pentane or (3) about 12 to about 23% by weight, provided that the sum of the weight percent (a) plus weight percent (b) is 100 percent are suitable blowing agents for the production of foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.