C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/06 (2006.01) C11D 1/02 (2006.01) C11D 3/02 (2006.01) C11D 3/10 (2006.01) C11D 11/02 (2006.01)
Patent
CA 2616744
The present invention relates to a solid laundry detergent composition in particulate form, comprising: (a) anionic detersive surfactant; (b) a solid carrier material having: (i) a total pore volume of greater than 0.3ml/g; (ii) an average pore diameter of greater than 3 micrometers; and (iii) a surface area of less than 1.0m2/g; (c) from 0% to less than 5%, by weight of the composition, of zeolite builder; (d) from 0% to less than 5%, by weight of the composition, of phosphate builder and (e) optionally, from 0% to less than 5%, by weight of the composition, of silicate salt; wherein at least part of the anionic detersive surfactant and at least part of the solid carrier material are in the form of a co-particulate admix.
L'invention concerne une composition détergente solide pour lessive sous forme particulaire, qui comprend: (a) un tensio-actif détersif anionique; (b) un matériau de support solide possédant: (i) un volume de pores total supérieur à 0,3ml/g; (ii) un diamètre de pores moyen supérieur à 3 micromètres; et (iii) une surface active inférieure à 1,0m2/g; (c) de 0 % à moins de 5 %, en poids de la composition, d'un adjuvant zéolite; (d) de 0 % à moins de 5 %, en poids de la composition, d'un adjuvant phosphate et (e), facultativement, de 0 % à moins de 5 %, en poids de la composition, d'un sel silicate; au moins une partie du tensio-actif détersif anionique et au moins une partie du matériau de support solide se présentant sous la forme d'un mélange co-particulaire.
Muller John Peter Eric
Ramirez Hernandez Lourdes Marina
Roberts Nigel Patrick Somerville
Kirby Eades Gale Baker
The Procter & Gamble Company
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