Photostabilization of retinoids with alkoxycrylene compounds
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United States of America Patent
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Oct 2, 2012
Grant Date -
Mar 15, 2012
app pub date -
Oct 27, 2011
filing date -
Aug 9, 2007
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Abstract
The photostabilizing electronic excited state energy—particularly singlet state energy from retinoid compounds—has been found to be readily transferred to (accepted by) α-cyanodiphenylacrylate compounds having an alkoxy radical in the four (para) position (hereinafter “alkoxycrylenes”) on one of the phenyl rings having the formula (I):
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