Delivery systems for active ingredients including sunscreen actives and methods of making same
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United States of America Patent
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Mar 14, 2000
Grant Date -
N/A
app pub date -
Apr 11, 1997
filing date -
Apr 11, 1997
priority date (Note) -
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Abstract
The present invention provides methods of making delivery systems for active ingredients including hydrogenated jojoba and sunscreen actives. The recrystallization process of the present invention produces small particle size alloys from molten mixtures and recrystallized small particle size dispersions from high temperature solvent solutions. The invention further provides delivery systems for active ingredients such as sunscreen actives.
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