USE OF ALPHA OLEFIN COPOLYMERS AS PHOTOSTABILIZING AGENTS IN SUNSCREEN COMPOSITIONS
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United States of America Patent
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Issued Date -
Mar 19, 2009
app pub date -
Sep 4, 2008
filing date -
Sep 7, 2007
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Abandoned
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Abstract
The invention provides the use of an alpha olefin copolymer as a photostabilizing agent in a sunscreen composition comprising a dibenzoylmethane derivative UV-A absorbing agent, such as avobenzone. When alpha olefin copolymers are used said compositions preferably have a photostability decrease of less than about ⅓ of the photostability decrease of a similar composition that is the same as the sunscreen composition but not containing said alpha olefin copolymer.
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