1992 by girsewald chem ber 1921 54 492 in u s pat no 4 161 485 and in u s pat no 3 843 703 component a the bis organosilyl peroxide is generally present in an amount from 0 5 to 90 weight percent wt said wt being based on the total weight of the stable liquid bleaching agent composition component b is at least one surfactant selected from the group consisting of at least one nonionic surfactant at least one anionic surfactant and a mixture of at least one nonionic surfactant and at least one anionic surfactant examples of suitable nonionic surfactants include polyoxyethylene alkyl ethers polyoxyethylene alkylphenol ethers polyoxyethylene lauryl ethers polyoxyethylene sorbitan monoleates polyoxyethylene alkyl esters polyoxyethylene sorbitan alkyl esters polyethylene glycol polypropylene glycol diethylene glycol ethoxylated trimethylnonanols polyoxyalkylene glycol modified polysiloxane surfactants or mixtures thereof examples of suitable anionic surfactants include alkali metal alkyl sulfonates sulfonated glyceryl esters of fatty acids such as sulfonated monoglycerides of coconut oil acids salts of sulfonated monovalent alcohol esters such as sodium oleylisethianate amides of amino sulfonic acids such as the sodium salt of oleyl methyl tauride sulfonated products of fatty acids nitrites such as palmitonitrile sulfonate sulfonated aromatic hydrocarbons such as sodium alpha naphthalene monosulfonate condensation products of naphthalene sulfonic acids with formaldehyde sodium octahydroanthracene sulfonate alkali metal alkyl sulfates such as ammonium lauryl sulfate or triethanol amine lauryl sulfate ether sulfates having alkyl groups of 8 or more carbon atoms such as sodium lauryl ether sulfate or sodium alkyl aryl ether sulfates alkylarylsulfonates having 1 or more alkyl groups of 8 or more carbon atoms alkylbenzenesulfonic acids which.