| abstract |
1. A COMPOSITON CONSISTING ESSENTIALLY OF EFFECTIVE AOUNTS OF AN INORGAIC PEROXYGEN COMPOUND, AN ACTIVATOR FOR THE PEROXYGEN COMPOUND AND ABOUT 0.001% TO 4% OF A PROTEOLYTIC ENZYME, SAID ACTIVATOR HAVING A CARBOXYLIC ACRYL GROUP, SAID PEROXYGEN COMPOUND BEING ONE WHICH REACTS WITH SAID ACTIVATOR TO FORM THE CORRESPONDING PERCARBOXYLIC ACID ON ADDITION OF SAID COMPOSITION TO WASH WATER, SAID ACTIVATOR BEING PRESENT IN AMOUNT EFFECTIVE TO SO CONVERT SAID PEROXYGEN COMPOUND AND THEREBY INCREASE THE BLEACHING EFFECT TO SAID PEROXYGEN COMPOUND ON COFFEE/TEA STAINS, SAID COMPOSITION BEING ADAPTED TO BE ADDED TO AQUEOUS WASH WATER IN AN AMOUNT SUFFICIENT TO PROVIDE ABOUT 1 TO 40 P.P.M. OF AVAILABLE OXYGEN TO THE WASH WATER. |