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United States of America Patent
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Aug 9, 1994
Grant Date -
N/A
app pub date -
Jun 8, 1992
filing date -
Jun 8, 1992
priority date (Note) -
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Abstract
The present invention relates to particles having a core comprising a peroxy compound and a hydrophobic coating comprising: (a) a hydrophobic substance selected from saturated fats, waxes or phosphatides; (b) a surfactant dissolved in the hydrophobic substance; (c) water swellable grains; the hydrophobic substance and the surfactant being substantially inert in respect of the peroxy compound. The invention also relates to preparation and use of the particles. Further, the invention relates to a composition containing such coated particles.
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