Blowing agent blends
US7144926B2 · kind B2 · utility
6Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2003 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Aug 1, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Foam blowing agent blends containing trans-1,2-dichloroethylene and one or more hydrofluorocarbons are provided, as are foam compositions containing such blends. The resulting foams exhibit dramatic improvement in fire performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.