Low thermal conductivity foam
US5397808A · kind A · utility
12Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1994 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | May 12, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to the discovery that a specific combination of HCFC-141b, certain perfluorinated compounds and carbon black significantly improve the insulating capacity of isocyanate-based foams when compared to foams made without all three ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.