Beneficial agent delivery systems
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United States of America Patent
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May 25, 2010
Grant Date -
Jan 26, 2006
app pub date -
Jul 20, 2005
filing date -
Jul 20, 2004
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Abstract
An improved fragrance delivery system capable of providing controlled release of fragrance molecules in various consumer products is composed of a polymer having covalently bound fragrance moieties that are releasable in the form of fragrance molecules. Certain embodiments comprise globular polymer particles in which unbound fragrance molecules are occluded, absorbed and/or adsorbed. Certain other embodiments incorporate fragrance monomer units, which achieve reduced residuals upon complete release of the fragrance.
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