C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C01B 15/10 (2006.01) C11D 3/12 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01) C11D 1/66 (2006.01)
Patent
CA 2167158
A granular detergent composition comprising an alkali metal percarbonate, characterized in that percarbonate has a mean particle size of from 250 to 900 micrometers, and that said compositions comprise a hydrophobic material, selected from silica, talc, zeolite DAY and hydrotalcit, in a weight ratio of alkali metal percarbonate to hydrophobic material, of from 4:1 to 40:1 preferably 7:1 to 20:1. Both laundry detergent compositions including laundry additives and automatic dishwashing compositions are encompassed by the term "detergent composition" herein. Making processes thereof are also described.
Composition détersive granulaire comprenant un percarbonate de métal alcalin, caractérisé en ce que le percarbonate présente une grosseur particulaire moyenne comprise entre 250 et 900 micromètres, et en ce que lesdites compositions comprennent un matériau hydrophobe, choisi entre silice, talc, zéolite DAY et hydrotalcite, selon un rapport pondéral percarbonate de métal alcalin/matériau hydrophobe compris entre 4:1 et 40:1, de préférence entre 7:1 et 20:1. Des compositions détersives pour la lessive, comprenant des additifs de lavage, aussi bien que les compositions pour lave-vaisselle sont comprises par le terme "composition détersive" utilisé ici. Des procédés de production sont également décrits.
Baillely Gerard Marcel
France Paul Amaat Raymond G.
Wilkinson Carole Patricia D.
Kirby Eades Gale Baker
The Procter & Gamble Company
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