Patent ID: 6153576
Filing Date: 2000-11-28
Classification: B01J,C07F,C11D

Abstract:
A method of activating a peroxygen compound in an oxidizing, washing, cleaning or disinfecting solution, comprising the step of contacting said peroxygen compound with one or more complexes of one or more metals selected from the group consisting of manganese, iron, cobalt, ruthenium, molybdenum, titanium, vanadium, and copper containing a ligand of the formula I ##STR12## or formula II ##STR13## wherein each R independently is a bond, a C.sub.1 to C.sub.4 alkylene group, a C.sub.1 to C.sub.4 amino substituted alkylene group or a C.sub.1 to C.sub.4 alkylene group wherein one or more non-adjacent CH.sub.2 units, which are not directly attached to the central N atom, are replaced by NH units, each A is the same or different and is 2-imidazolyl, 1-methyl-2-imidazolyl, or 2-benzimidazolyl, B is A or OH, and X is an optionally hydroxy- and/or C.sub.1 to C.sub.4 alkyl-substituted phenylene ring or an optionally hydroxysubstituted C.sub.1 to C.sub.4 alkylene group.