Textile softening detergent compositions
AssigneeThe Procter & Gamble Company
InventorRichard John Dumbrell
Life of this patent
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Abstract
Granular built laundry detergent compositions comprising smectite-type clay materials and prepared by specified processes.
Claims11
Process for preparing a built laundry detergent composition comprising the step of spraying a moving bed of a particulate carrier selected from the group consisting of sodium and potassium tripolyphosphate, pyrophosphates, acid pyrophosphates, carbonates, sulfates, borates, and silicates and spray dried built synthetic detergent granules containing a hydratable, inorganic salt dried to such an extent that the salt is incompletely hydrated, said moving bed containing up to 50% by weight of a smectite-type clay softening agent having an ion exchange capacity of at least 50 meq/100 g, with a liquid agglomerating agent selected from the group consisting of aqueous solutions of electrolytes containing no more than 75% of saturation of said electrolytes and said electrolytes being selected from the group consisting of water soluble phosphates, tripolyphosphates, acid pyrophosphates, neutral pyrophosphates, carbonates, sulfates, chlorides, borates, silicates and mixtures thereof;
- water;
- and solutions of organic adhesives, said liquid agglomerating agent containing up to 60% by weight of said clay, the weight ratio of said agglomerating agent to the combined weight of said clay and said carrier being from 1% to 40%, to form free-flowing agglomerates.
Dependencies are inferred from the claim text.