C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/37 (2006.01) C11D 3/00 (2006.01) C11D 3/02 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/12 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2187439
The present invention provides a free-flowing powder having a bulk density of at least 600 g/l comprising: (a) from 20 % to 95 % by weight (on anhydrous basis) of a detergent ingredient selected from the group consisting of aluminosilicate, citrate, silica, carbonate, bicarbonate, silicate, sulphate, phosphate, water-soluble polymer and mixtures thereof; and (b) from 5 % to 50 % by weight of a copolymer of N-vinylpyrrolidone and N-vinylimidazole. A process for making the free-flowing granules is also provided.
La présente invention concerne une poudre s'écoulant facilement, ayant une densité non tassée d'au moins 600 g/l et comprenant: (a) de 20 % à 95 % en poids (sur la base de la composition déshydratée) d'un ingrédient pour détergents choisi dans le groupe constitué par les aluminosilicates, les citrates, la silice, les carbonates, les bicarbonates, les silicates, les sulfates, les phosphates, les polymères hydrosolubles et leurs mélanges; et (b) de 5 % à 50 % en poids d'un copolymère de la N-vinylpyrrolidone et du N-vinylimidazole. On décrit également un procédé pour réaliser des granulés s'écoulant facilement.
Donoghue Scott John
Schamp Koen Mariette Albert
Kirby Eades Gale Baker
The Procter & Gamble Company
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