Stabilized compositions comprising hydrofluoroalkanes, premixtures intended for the preparation of polymeric foams and polymeric foams obtained by the use thereof
US5366662A · kind A · utility
5Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1993 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Sep 23, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Compositions comprising at least one hydrofluoroalkane and at least one stabilizing agent chosen from quinones and compounds containing a nitroso group, added in an amount sufficient to stabilize the hydrofluoroalkanes. These compositions can especially be used in premixtures for polyurethane foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.