Fire retardant copolymer from bis(hydrocarbyl)vinyl phosphonate
US4444969A · kind A · utility
14Cited by
1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1982 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Aug 23, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F230/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Copolymers of a mono vinyl-substituted aryl hydrocarbon monomer, an imide derivative of an unsaturated cyclic anhydride and a bis(hydrocarbyl) vinylphosphonate are useful as fire retardant additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.