Flame resistant, heat insulative foamed polyphenylenes
US4152494A · kind A · utility
2Cited by
9References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1977 |
| Grant date | May 1, 1979 |
| Priority date | — |
| Expiry date | Dec 29, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249986
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A low density, flame-resistant foamed composition is formed by heating a thorough mixture of branched polyphenylene and an inorganic fiber to above about 800.degree. F.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.