Polyesters based on hydroxy fatty acids and lower hydroxy alkyl acids and uses thereof
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United States of America Patent
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Apr 1, 2003
Grant Date -
Nov 21, 2002
app pub date -
Mar 15, 2001
filing date -
Mar 15, 2001
priority date (Note) -
Expired
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Abstract
The present invention provides biodegradable polyesters based on lower hydroxy acids and hydroxy fatty acids. The resulting polyesters are useful as cosmetic vehicles for sunscreens, skin lotions and by themselves are also useful as milder skin exfoliants.
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