Bleaching-agent co-granules, method for producing said bleaching-agent co-granules, and use of said bleaching-agent co-granules
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United States of America Patent
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Feb 27, 2018
Grant Date -
Jun 2, 2016
app pub date -
May 9, 2014
filing date -
Jun 15, 2013
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Abstract
The invention relates to a bleaching-agent co-granule containing a bleach activator, a metal-containing bleach catalyst comprising at least one ligand from the group consisting of di- or trimethyltriazacyclononane and derivatives of these, and a homo- or copolymeric polycarboxylate or its salts or partial neutralizates having a pH in the range from 3 to 9. The bleaching-agent co-granule is obtained in an anhydrous granulating process, preferably by compaction at a temperature below 100° C. The invention also relates to the method of using the bleaching-agent co-granule in dishwasher detergents and to a detergent comprising said bleaching-agent co-granule.
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