Compositions – Oxidative bleachant – oxidant containing – or generative – Contains activator admixed with inorganic peroxide
Patent
1994-09-07
1997-02-11
Lovering, Richard D.
Compositions
Oxidative bleachant, oxidant containing, or generative
Contains activator admixed with inorganic peroxide
2521861, 25218633, 510305, C09K 300, C11D 3386, C11D 3395
Patent
active
056017502
ABSTRACT:
An enzymatic bleach composition is provided comprising an enzymatic hydrogen peroxide-generating system and a bleach catalyst which is a coordination complex comprising manganese (Mn) and/or iron (Fe) ions, and preferably comprising a ligand L which is a macrocyclic organic compound of formula (I): ##STR1## wherein t is an integer form 2 to 3; s is an integer from 3 to 4, u is zero or one; each R.sup.1, R.sup.2 and R.sup.3 are independently selected from H, alkyl, aryl, substituted alkyl, and substituted aryl.
REFERENCES:
patent: 5227084 (1993-07-01), Martens et al.
patent: 5288746 (1994-02-01), Pramod
patent: 5314635 (1994-05-01), Hage et al.
patent: 5356437 (1994-10-01), Pedersen et al.
patent: 5445651 (1995-08-01), Thoen et al.
patent: 5451337 (1995-09-01), Liu et al.
patent: 5474576 (1995-12-01), Thoen et al.
Domke Todd
Giuseppin Marco L.
Martens Rudolf J.
Nunn Charles C.
Swarthoff Ton
Anthony Joseph D.
Honig Milton L.
Lever Brothers Company Division of Conopco, Inc.
Lovering Richard D.
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