Bleach activation

Details Bleach activation Bleach activation

C - Chemistry, Metallurgy

11

D

8/87, 134/5.4

C11D 3/39 (2006.01)

Patent

CA 2014321

Peroxy compound bleaching is activated by a catalytic amount of a transition metal complex of a transition metal (Mn, Co, Fe or Cu) with a non-(macro)-cyclic ligand of the formula : Image preferably 2,2'-bispyridylamine. Bleaching agent and bleach detergent compositions are also disclosed comprising a peroxy compound bleach and said transition metal complex. The transition metal complex is an effective catalyst for activating hydrogen peroxide compounds, peroxyacids and peroxyacid bleach precursors on removing a wide class of stains from substrates, especially texiles and fabrics.

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