Sustained release of active molecules from polymers topically applied to skin or hair
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United States of America Patent
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Issued Date -
Apr 27, 2006
app pub date -
Oct 26, 2005
filing date -
Oct 27, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a polymer for topical delivery of biologically active ingredients, the polymer comprising at least one moiety: U-B-A in which U represents a physiologically acceptable unit of an oligomer or polymer, A represents a biologically active component, and B represents one or more bond(s) linking A to U, which bond is capable of being disrupted by a biological, physical or chemical process occurring in or on skin.
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