C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 11/00 (2006.01) C11D 1/83 (2006.01) C11D 3/20 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01) C11D 17/08 (2006.01) C11D 1/22 (2006.01) C11D 1/72 (2006.01)
Patent
CA 2258993
Disclosed is a process for preparing non-aqueous, particulate-containing liquid laundry detergent compositions which are in the form of a suspension of particulate material, preferably including anionic surfactant, peroxygen bleaching agent and an organic detergent builder, dispersed in a liquid phase, preferably structured with the anionic surfactant. Such compositions provide especially desirable cleaning and bleaching of fabrics laundered therewith and also exhibit especially desirable pourability and chemical and phase stability. The process for preparing such compositions involves preprocessing of the particulate material to remove free moisture from the hydrated or hydratable particulate components of the composition.
L'invention porte sur un procédé de préparation de compositions détergentes liquides de lavage non aqueuses contenant des particules et se présentant sous la forme d'une suspension du matériau particulaire incluant de préférence un tensio-actif anionique, un agent de blanchiment de peroxygène, et un additif détergent organique, dispersés dans une phase liquide, et de préférence structurés par le tensio-actif anionique. Ces compositions assurent le lavage et le blanchiment des tissus qu'elles traitent dans des conditions particulièrement souhaitables tout en étant à souhait faciles à verser et stables chimiquement et en phase. Le procédé de préparation de ces compositions comporte un prétraitement du matériau particulaire pour extraire l'humidité des composants particulaires hydratés ou hydratables de la composition.
Kahn Jay Ian
Parry Diane
Smerznak Mark Allen
Kirby Eades Gale Baker
The Procter & Gamble Company
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