Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1999-11-03
2000-10-31
Delcotto, Gregory R.
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510302, 510303, 510310, 510311, 510312, 510372, 510376, 510378, 510508, 25218628, 25218629, 25218633, 502165, 502167, C11D 718, C11D 754
Patent
active
06140294&
ABSTRACT:
A bleach and oxidation catalyst is provided comprising a catalytically ace iron, manganese or copper complex including a specified pentadentate nitrogen-containing ligand. The metal complex can activate hydrogen peroxide or peroxyacids and provides favourable stain removal properties. In addition, a considerably improved stability of these metal complex compounds in alkaline aqueous environment has been obtained, in particular at the peroxy compound concentrations generally present in the fabric washing liquor.
REFERENCES:
patent: 5580485 (1996-12-01), Feringa et al.
patent: 5630906 (1997-05-01), Boe et al.
Delroisse Michel Gilbert
Feringa Bernard Lucas
Hage Ronald
Hermant Roelant Mathijs
Kalmeijer Robertus Everardus
Delcotto Gregory R.
Honig Milton L.
Unilever Home & Personal Care USA , division of Conopco, Inc.
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