Bleaching and cleaning compositions

Details Bleaching and cleaning compositions Bleaching and cleaning compositions

C - Chemistry, Metallurgy

11

D

8/87, 134/5.4

C11D 7/56 (2006.01) C11D 3/36 (2006.01) C11D 3/39 (2006.01)

Patent

CA 1135589

Abstract of the Invention The stability of ethylene diamine tetra-(methylene phos- phate) - EDTMA - and diethylene triamine penta-(methylene phos- phonate) - DTPMP - incorporated as peracid stabiliser in bleaching and cleaning compositions comprising a percompound and an organic activator for said percompound is improved if said phosphonate compound is present as a complex of a metal ion selected from the group consisting of calcium, magnesium, zinc and aluminium ions, the molar ratio of said metal ion to said phosphonate compound in the complex being at least 1:1. Compositions comprising a per- compound bleach, an organic activator and said metal complex of EDTMP or of DTPMP are provided.

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