Active ingredient delivery system
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United States of America Patent
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Sep 9, 2014
Grant Date -
Nov 8, 2012
app pub date -
Dec 20, 2010
filing date -
Dec 22, 2009
priority date (Note) -
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Abstract
A spray-chilled particulate delivery system that has a crystalline matrix structure and includes a volatile hydrophobic active ingredient and a carrier material of erythritol, mannitol and mixtures thereof 75% or more of the carrier material, relative to the total weight of the carrier material, is in crystalline form. The system is prepared by a process that includes the steps of forming a melt of the carrier material, incorporating a volatile hydrophobic active ingredient into the melt, forming a melt-mixture comprising an emulsion, dispersion or suspension of the volatile hydrophobic active ingredient in the melt, forming discrete particles of the melt mixture, and cooling the discrete particles.
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