Hydrocarbon blown rigid polyurethane foams having improved flammability performance
US6319962A · kind A · utility
22Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1999 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | May 13, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Rigid polyurethane or urethane modified polyisocyanurate foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition, (c) a hydrocarbon/water blowing agent and (d) a phosphorus material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.