C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/00 (2006.01) C11D 1/28 (2006.01)
Patent
CA 2356163
The invention includes compositions containing one or more .alpha.-sulfofatty acid esters, and methods for making and using the same. At least one .alpha.-sulfofatty acid ester is included in an inner portion. The invented composition can further include an outer portion which protects the .alpha.-sulfofatty acid ester from di-salt formation. The resulting composition improves the stability of the .alpha.-sulfofatty acid ester after manufacture, during shipping and storage, and in detergents. The invention further includes detergents containing the invented composition, and methods of making such detergents.
L'invention concerne des compositions contenant un ou plusieurs esters d'acides alpha -sulfo-gras et des procédés de fabrication et d'utilisation correspondants. Au moins un ester d'acides alpha -sulfo-gras est compris dans une partie interne. La composition de l'invention peut également comprendre une partie externe qui protège l'ester d'acides alpha -sulfo-gras contre la formation de sels doubles. La composition qui en résulte améliore la stabilité de l'ester d'acides alpha -sulfo-gras après fabrication, pendant l'expédition et le stockage et dans les détergents. L'invention concerne en outre des détergents contenant la composition de l'invention et des procédés de fabrication de ces détergents.
Huish Paul Danton
Jensen Laurie A.
Libe Pule B.
Gowling Lafleur Henderson Llp
Huish Detergents Inc.
The Sun Products Corporation
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