Sterically hindered phenolic phosphonates and polycarbonate resin composition using the same
US7919548B2 · kind B2 · utility
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4References
24Claims
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Key dates
| Filing date | Nov 19, 2008 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Dec 19, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a sterically hindered phenolic phosphonate resin compound represented by the following Chemical Formula 1. The present invention also provides a polycarbonate resin composition including the sterically hindered phenolic phosphonate resin compound as a flame retardant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.