Stabilized polyorganosiloxane composition
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United States of America Patent
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Jan 26, 2010
Grant Date -
Nov 25, 2004
app pub date -
Mar 8, 2004
filing date -
Jul 23, 2001
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Abstract
A composition comprises a polyorganosiloxane and an admixed hindered amine light stabilizer (HALS) wherein the polyorganosiloxane is free from alternating cyclic hydrocarbon residues. A method of stabilizing a polyorganosiloxane composition comprises providing a polyorganosiloxane and admixing a HALS with the polyorganosiloxane. A light bulb comprises an enclosure coated with a polyorganosiloxane composition containing a HALS.
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