Compounds are provided that may be used as ligands in transition metal complexes, in turn useful as bleach catalysts. Also provided are complexes, bleaching compositions and methods using the compounds. Particularly preferred are such compounds as 1,4,6-trimethyl-6-(n-(pyridin-2-ylmethyl)-N-methylamino)-1,4-diazacycloheptane which can be used in manganese, iron and cobalt transition metal complexes.
|Patent number||US 2002/0049148 A1|
|Publication status||Published - 25 Apr 2002|