Base particles and detergent particles

Details Base particles and detergent particles Base particles and detergent particles

2005-05-17

2005-05-17

Boyer, Charles (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Clay or inorganic aluminosilicate salt component

C510S276000, C510S315000, C510S318000, C510S323000, C510S377000, C510S398000, C510S485000, C510S511000, C510S531000, C510S532000

Reexamination Certificate

active

06894019

ABSTRACT:
Base particles for supporting a surfactant, obtainable by a step of spray-drying a slurry comprising (A) a zeolite having an average aggregate particle diameter of 15 μm or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less, (B) a water-soluble polymer; (C) a water-soluble salt, and (D) a surfactant in an amount of 5% by weight or less of the slurry; detergent particles comprising the base particles; and a zeolite for a laundry detergent, wherein the zeolite has an average aggregate particle diameter of 15 μm or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less; and a process for preparing base particles for supporting a surfactant, comprising a step of spray-drying a slurry comprising a zeolite (A) having an average aggregate particle diameter of 15 μm or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less, a water-soluble polymer (B), a water-soluble salt (C), and optionally a surfactant (D) so as to give base particles comprising 1 to 90% by weight of the zeolite (A), 2 to 25% by weight of the water-soluble polymer (B), 5 to 75% by weight of the water-soluble salt (C), and optionally 0 to 5% by weight of the surfactant (D).

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