The present invention concerns bleaching of substrates with an aqueous solution of a water soluble salt of a preformed transition metal catalyst together with hydrogen peroxide.
申请公布号
EP1934396(A2)
申请公布日期
2008.06.25
申请号
EP20060806041
申请日期
2006.10.04
申请人
UNILEVER PLC;UNILEVER N.V.
发明人
DE ALMEIDA, JOAQUIM, MANUEL, HENRIQUES;DJODIKROMO, ZINAIDA;HAGE, RONALD
