Patent ID: 6235695
Filing Date: 2001-05-22
Classification: C11D

Abstract:
A method of cleaning a hard surface comprising the steps of activating a peroxygen compound with a complex of formula I:[M.sub.n (NH.sub.3).sub.6-x (L).sub.x ]A.sub.n (I)wherein M is a transition metal selected from the group consisting of iron, copper, and ruthenium, L is a ligand selected from the group consisting of water, hydroxide, chlorate, perchlorate, (NO.sub.2).sup.-, carbonate, nitrate, halide, and thiocyanate, x is a number of 0 to 5, A is a salt-forming anion, n is a number such that the complex of formula (I) has no charge, and contacting a hard surface with an effective amount of an aqueous cleaning solution comprising the activated peroxygen compound.