Transparent, fire-resistant polycarbonate
US6727302B2 · kind B2 · utility
12Cited by
31References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Dec 22, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A transparent, fire resistant polycarbonate composition comprises polycarbonate, poly(methylphenylsiloxane) and a salt based flame retardant. These polycarbonate compositions can attain UL94 V0 ratings at 1.6 millimeter thickness, previously possible only with a halogenated fire retardant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.