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US 6,828,293 B1Granted
Water-soluble granules of salen-type manganese complexes
AssigneeCiba Specialty Chemicals Corporation
InventorsMenno Hazenkamp, Frank Bachmann, Cornelia Makowka, Petr Kvita, Rolf Kuratli, Anita Schmidlin
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Abstract
Water-soluble granules of salen-type manganese complexes that are suitable as catalysts in reactions with peroxy compounds are described. The granules are used especially in washing agents. They are distinguished by retarded dissolution and improved action of the manganses complexes.
Claims14
Slow and controlled dissolving water-soluble granules of salen manganese complexes, consisting essentially of
- a) from 1 to 89% by weight of a water-soluble salen manganese complex,
- b) from 10 to 95% by weight of a dissolution restrainer,
- c) from 0 to 20% by weight of a further additive and
- d) from 1 to 15% by weight of water, based on the total weight of the granules.
1 more element
Dependencies are inferred from the claim text.