C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/5.4
C11D 3/39 (2006.01)
Patent
CA 1221290
ABSTRACT OF THE DISCLOSURE Built detergent bleach compositions are disclosed com- prising a surface-active agent, a peroxide compound bleach (e.g. sodium perborate), a manganese compound which delivers manganese (II) ions in aqueous solution (e.g. manganous sulphate or manganous chloride) and a builder mixture comprising a condensed phosphate and an alkalimetal orthophosphate in a weight ratio of from 10:1 to 1:60, preferably from 5:1 to 1:30. The composi- tion is particularly effective for washing fabrics at low temperature, e.g. from 20-60°C, but is also usable at higher temperatures.
443561
Oakes John
Bereskin & Parr
Plc Unilever
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