Patent ID: 6380142
Filing Date: 2002-04-30
Classification: C11D,D06P,D21C

Abstract:
An aqueous formulation comprising, based on the overall formulation,(a) 0.1 to 20% by weight of at least one mediator comprising compounds of formula (I) â€ƒwherein M denotes hydrogen, alkali metal, alkaline earth metal, ammonium, C1-C4-alkylammonium, or C1-C4-alkanolammonium, the radicals R1, R2, R3 and R4 are identical or different and denote hydrogen, halogen, hydroxyl, formyl, amino, nitro, straight-chain or branched C1-C12-alkyl, straight-chain or branched C1-C6-alkoxy, carbonyl-C1-C6-alkyl, phenyl, benzyl, phenyloxy, â€”COOR5, â€”SO2OR5, â€”SO2NH2, â€”NHSO2, â€”CONH2, â€”PO(OR5)2, â€”PO2(OR5), or â€”OPO(OR5)2, X represents a group (â€”N&boxH;Nâ€”), (â€”N&boxH;CR6â€”)m, (â€”CR6&boxH;Nâ€”)m, or (â€”CR7&boxH;CR8â€”)m, m is 1 or 2, R6, R7 and R8 are identical or different and denote hydrogen, halogen, hydroxyl, formyl, amino, nitro, straight-chain or branched C1-C12-alkyl, straight-chain or branched C1-C6-alkoxy, carbonyl-C1-C6-alkyl, phenyl, benzyl, phenyloxy, â€”COOR5, â€”SO2OR5, â€”SO2NH2, â€”NHSO2, â€”CONH2, â€”PO(OR5)2, â€”PO2(OR5), or â€”OPO(OR5)2, and each R5 is identical or different and denotes hydrogen, alkali metal, alkaline earth metal, ammonium, C1-C4-alkylammonium, C1-C4-alkanolammonium, straight-chain or branched C1-C18-alkyl, or the radical â€”(CH2â€”CH2â€”O)xâ€”H in which x denotes an integer 1 to 25, (b) 0.1 to 20% by weight of at least one peroxide compound, and (c) 60 to 99.8% by weight of an aqueous solution containing at least one pH stabilizer, wherein the formulation contains no enzymes.