C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2053433
A product for treating fabrics in the washing machine is in the form of a tablet of compressed particulate bleaching composition comprising a persalt, preferably sodium percarbonate; a bleach activator having an observed pseudo-first order perhydrolysis rate constant (Kobs) of from 1.5 x 10-4 to 350 x 10-4 sec-1, for example, tetraacetylethylenediamine, glycerol triacetate, sodium benzoyloxy benzene sulphonate or 1-O-octanoyl-2,3-4,6-tetra-O-acetyl glucose; and optionally detergent ingredients.
Garvey Michael Joseph
Sims Peter Stanford
Bereskin & Parr
Plc Unilever
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