ACTIVE OXYGEN SOURCE
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United States of America Patent
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Issued Date -
Aug 8, 2013
app pub date -
Jan 24, 2011
filing date -
Jan 29, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a solid active oxygen source coated with a composition comprising at least one polymer, wherein the composition on the oxygen source has been subjected to heating. Said oxygen source is chosen from percarbonates and said polymer is a hydrophobic alkyl cellulose, preferably ethyl cellulose. In a further aspect the present invention relates to a process for the production of a coated active oxygen source, wherein said oxygen source is in solid state and is formed into or in the shape of a granule, and wherein the coating is applied onto the oxygen source and subjected to heating by an application-drying process.
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