UV-absorbing lipid vesicles
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United States of America Patent
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Dec 12, 2006
Grant Date -
Mar 30, 2006
app pub date -
Sep 29, 2004
filing date -
Sep 29, 2004
priority date (Note) -
Expired
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Abstract
Highly effective vesicular compositions from UV-absorbing lipids are described in the present invention. Combination of UV-absorbing property and the vesicular delivery system results in higher levels of photoprotection to skin and hair. The vesicular compositions of the present invention are made from cationic UV-absorbing lipids of Formula I wherein, ##STR00001## ArCO is selected from cinnamoyl, p-methoxy cinnamoyl, p-N,N-dimethylamino benzoyl and combinations thereof, R.sub.1 is selected from saturated or unsaturated alkyl group with carbons ranging from C.sub.10 to C.sub.22.
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