Manganese catalyst

Details Manganese catalyst Manganese catalyst

B - Operations, Transporting

01

J

B01J 31/18 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) D06L 3/02 (2006.01)

Patent

CA 2083658

Novel bleach and oxidation catalysts are reported as well as a bleaching-detergent composition employing these catalysts and a method for removing stains from substrates. The catalysts are manganese complexes of the formula (A): [LMnIV (OR)3] Y, (A) wherein Mn is manganese in the +4 oxidation state; R is a C1-C20 radical selected from alkyl, cycloalkyl, aryl, benzyl and radical combinations thereof; at least two R radicals may also be connected to one another so as to form a bridging unit between two oxygens that coordinate with the manganese; L is a ligand selected from a C3-C60 radical having at least 3 nitrogen atoms coordinating with the manganese; and Y is an oxidatively-stable counterion.

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