Urea composition
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United States of America Patent
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Issued Date -
Feb 19, 2004
app pub date -
Apr 9, 2003
filing date -
Apr 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention is directed to compositions, methods of making the compositions, and methods of treating cosmetic and dermatological disorders with a composition that includes a molecular complex between urea and a functional substance that has at least one hydroxyl group and one carboxyl group either as a free acid, a salt, an amide or a lactone. The compositions are stable when compared to conventional urea-containing compositions, and provide controlled-release of the urea.
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