Low-dosage soluble builder

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/37 (2006.01) C11D 1/22 (2006.01) C11D 1/72 (2006.01) C11D 1/83 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/20 (2006.01) C11D 3/22 (2006.01) C11D 3/36 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2315341

The invention relates to a soluble builder system for detergents which is free from phosphates and alumosilicates. Detergents according to the invention contain a soluble builder system which essentially consists of a) an alkali metal silicate with an M2O:SiO2 modulus, where M is an alkali metal ion, of 1:1.9 to 1:3.3, b) an alkali metal carbonate, c) an oxidatively modified oligosaccharide, d) a phosphonate capable of complexing and e) optionally an acidic component, the soluble builder system making up less than 40% by weight of the detergent as a whole and the alkali product of the detergent being in the range from 7.0 to 11.4.

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