Flame retardant polycarbonate polyester composition
US6635698B2 · kind B2 · utility
5Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Jul 30, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A transparent/translucent flame redardant composition comprises a uniform blend of a miscible resin blend of a polycarbonate resin and a cycloaliphatic polyester resin wherein the composition has at least a 80% pass rate in 10 test specimen in the Norme Francaise NF-P-92-505 flammability test of L'Association Francaise de Normalisation using test specimens with weight between about 1.0 to about 6.0 kilograms per square meter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.