Fire retardant, non-dripping flexible polyurethane foam
US4246360A · kind A · utility
33Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1977 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Jul 22, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/906
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A flexible polyurethane foam is provided which is fire retardant and non-dripping upon exposure to flame. The flexible polyurethane foam is prepared by the reaction of a polyol, an isocyanate and a protein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.