C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.7
C11D 3/12 (2006.01) C11D 3/10 (2006.01)
Patent
CA 1314189
C.3118 ABSTRACT A zero or low phosphate built detergent composition comprises a detergent active material and, as builders, an alkali metal carbonate such as sodium carbonate, and an aluminosilicate material, such as a zeolite. A calcium carbonate crystallisation seed, such as calcite, is also present in the composition to reduce hardness of the water. The calcite preferably has a surface area of at least 2m2/g and is present at a level from about 1% to about 10% by weight of the composition. The composition may also contain optional additives such as perfume.
537241
Kralingen Cornelis Gerhard Van
Niemantsverdriet Robert Ernst
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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