Microcapsules loaded with active ingredients and a method for their preparation
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United States of America Patent
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Feb 7, 2012
Grant Date -
Dec 20, 2007
app pub date -
Aug 1, 2004
filing date -
Jul 31, 2003
priority date (Note) -
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Abstract
The invention relates to microcapsules having a core material encapsulated within a microcapsular shell, the core material comprises at least one active ingredient, wherein the microcapsular shell comprises at least one inorganic polymer comprising polymerized precursors obtained by in-situ polymerization of the precursors; wherein the concentration of the core material based total weight of the microcapsules is above 95% w/w. The invention further relates to a composition and to a suspension comprising the microcapsules. The invention additionally relates to a process for preparing the microcapsules.
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