Resorcinol carbonate-based phosphate ester compounds as flame retardants
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United States of America Patent
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Oct 9, 2007
Grant Date -
Mar 23, 2006
app pub date -
Sep 21, 2005
filing date -
Sep 22, 2004
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Expired
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Abstract
Resorcinol carbonate-based phosphate esters are prepared by reacting resorcinol carbonates with phosphorous oxychloride or a chlorophosphate. The resorcinol carbonates can be synthesized by the reaction of resorcinol with phosgene or diphenyl carbonate. The resorcinol carbonate-based phosphate esters can be used as flame retardants and perhaps flowing agents.
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