C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3, 8/93.12
C11D 10/00 (2006.01) C11D 3/12 (2006.01) C11D 11/00 (2006.01) D06L 1/00 (2006.01)
Patent
CA 1038109
ABSTRACT OF THE DISCLOSURE A process for producing a built laundry detergent composition comprising (A) from 2% to 30% by weight of a non- soap synthetic detergent selected from the group consisting of: anionic synthetic detergents, ampholytic synthetic detergents, zwitterionic synthetic detergents and mixtures thereof, (B) from 10% to 60% by weight of a detergent builder salt; and (C) from 1% to 50% by weight of a smectite-type clay softening agent having an ion exchange capacity of at least 50 meq/100 g, the composition providing a solution pH of from 7 to 12 when dissolved in water at a concentration of 0.12% by weight, wherein a moving bed of a particulate carrier which is a granular, relatively non-dusty material to which the clay can be bonded by physical bonding and is or contains incompletely hydrated hydratable inorganic salts or such carrier admixed with at least a portion of the clay for the composition, is sprayed with an agglomerating agent which is liquid at temperatures below 60& or such agent containing additional clay for the composition, to form free-flowing agglomerates comprising said clay and said carrier.
207428
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