Smoke-retardant polyisocyanurate foam
US4133781A · kind A · utility
3Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1977 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | Aug 24, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/902
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A smoke-retardant polyisocyanurate foam which contains an organosilicate having hydroxypolyoxyalkylene group which is obtained by reacting a polyoxyalkyleneglycol with at least one of metallic silicon, halosilicon compounds and lower alkyl silicates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.