Granular compositions

A granular composition, especially for incorporation in washing powder formulations, comprises at least 40% by weight of an amorphous silica and typically at least 30% by weight of a functional ingredient such as a perfume, the amorphous silica having a surface area of at least 550 m /g, a pore volu...

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Bibliographische Detailangaben
Hauptverfasser: ALDCROFT DEREK, HALLIDAY MIKE, BRAIN JOSEPH, MORETON STEPHEN, BIRCH RICHARD A
Format: Patent
Sprache:eng
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Zusammenfassung:A granular composition, especially for incorporation in washing powder formulations, comprises at least 40% by weight of an amorphous silica and typically at least 30% by weight of a functional ingredient such as a perfume, the amorphous silica having a surface area of at least 550 m /g, a pore volume from about 1.0 to about 2.5 ml/g and a particle size of no more than 50 microns, the granules of said composition having a particle size from about 200 to about 2000 microns.