C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.72
C11D 11/02 (2006.01) C11D 3/08 (2006.01) C11D 3/12 (2006.01)
Patent
CA 1140829
- 1 - cC.1023 CA ABSTRACT OF THE DISCLOSURE Spray dried detergent compositions which incorporate a sodium aluminosilicate detergency builder, are prepared by forming an aqueous detergent slurry containing the sodium aluminosilicate and then admixing an aqueous solution or suspension of sodium silicate with the detergent slurry at a point between the slurry mixing vessel and the spray nozzle. This avoids harmful interaction between the sodium alumino- silicate and the sodium silicate, which otherwise decreases washing performance, whilst retaining good powder properties.
320394
Bereskin & Parr
Unilever Limited
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