C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/14 (2006.01) C11D 1/83 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2160229
Detergent compositions containing enzymes and magnesium ions are found to be more stable when alkyl benzene sulfonate or primary alkyl sulfates conventionally used therein are replaced by secondary (2,3) alkyl sulfate surfactants. Thus, laundry detergent compositions comprising a secondary (2,3) alkyl sulfate, a source of magnesium ions, and one or more protease, cellulase, amylase, lipase or peroxidase detergent enzymes are provided. Bars and granular detergents are also disclosed.
On a constaté que des compositions détergentes renfermant des enzymes et des ions magnésium sont plus stables lorsque les benzènesulfonates d'alkyle ou les sulfates d'alkyle primaire utilisés habituellement dans ces compositions sont remplacés par des tensioactifs de type sulfate d'alkyle secondaire (2,3). Ainsi, l'invention porte sur des compositions détergentes pour lessive, renfermant un sulfate d'alkyle secondaire (2,3), une source d'ions magnésium et une ou plusieurs des enzymes détergentes suivantes : protéase, cellulase, amylase, lipase ou peroxydase. La divulgation concerne également des détergents en bâtonnets et en grains.
Morrall Stephen William
Murch Bruce Prentiss
Kirby Eades Gale Baker
The Procter & Gamble Company
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