Phenolic foams
US4900759A · kind A · utility
9Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Apr 1, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2361/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Phenolic foams having a cell structure that is resistant to rupture under pressure and a slow deterioration of thermal insulation value are claimed. These foams can be cured to achieve dimensional stability without substantial adverse affect on their structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.