Bleach activation

Details Bleach activation Bleach activation

1990-04-09

1992-05-19

Lovering, Richard D.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

25218626, 25218627, 25218628, 25218639, 252 95, C01B 1500

Patent

active

051146118

ABSTRACT:
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: ##STR1## 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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patent: 4119557 (1978-10-01), Postlethwaite
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patent: 5021187 (1991-06-01), Harriott et al.
J. C. Bailer and S. Kirschner, "Inorganic Synthesis" 1957, vol. 5, p. 184.
M. Goodgame, Journ. of Chem. Soc. (A), 1966, p. 63.
W. L. Johnson and J. F. Geldard, Inorganic Chemistry, 1978, vol. 17, No. 6, p. 1675.

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