Chemical compositions and methods
US4548752A · kind A · utility
7Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1983 |
| Grant date | Oct 22, 1985 |
| Priority date | — |
| Expiry date | Nov 14, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/6795
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved rigid urethane and isocyanurate foam compositions having improved fire resistance are described. The urethane foams are based on furan compositions and are chiefly made from adding propylene oxide to bis(hydroxymethyl)furan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.