C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/5.3
C11D 3/395 (2006.01)
Patent
CA 1182026
ABSTRACT OF THE DISCLOSURE: A particulate alkaline detergent with unexpectantly good bleaching performance and with reduced phosphorus content contains 5-40% detergent active, 12.5-25% tripolyphosphate, 7.0-36% aluminosilicate builder such as zeolite, 5-30% peroxybleach such as sodium perborate and 0.1 to 15% activator such as TAED, the perborate to TAED ratio being between 2:1 and 15:1. The detergent active may be anionic material or a mixture of an anionic material and a minor amount of nonionic material. The compositions are particularly suitable for containing fluorescers and show surprisingly improved bleaching performance as water hardness increases.
394907
Duggleby Peter M.
Foster Francis G.
Bereskin & Parr
Plc Unilever
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