| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coated sodium percarbonate which is stably compounded in a zeolite-containing detergent and easily soluble in water. Ž<P>SOLUTION: Sodium percarbonate particles with a foaming property are coated with a coating agent containing an alkaline metal salt of an aromatic hydrocarbon sulfonic acid. Alternatively, sodium percarbonate particles, after being coated with a coating agent, are made to be foamed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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