Fire-resistant polycarbonates
US4721583A · kind A · utility
4Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1986 |
| Grant date | Jan 26, 1988 |
| Priority date | — |
| Expiry date | Jul 15, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/907
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fire-resistant polycarbonate composition comprising a polycarbonate and for each one thousand parts by weight thereof from about 0.1 to 10 parts by weight of a salt of the formula: ##STR1## in which R is a C.sub.1 to C.sub.6 alkyl radical or an aryl radical, unsubstituted or substituted aryl radical and M is an alkali metal selected from Li, Na, or K.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.