C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/386 (2006.01) C11D 1/83 (2006.01) C11D 1/86 (2006.01) C11D 17/00 (2006.01) C11D 1/14 (2006.01) C11D 1/29 (2006.01) C11D 1/62 (2006.01) C11D 1/72 (2006.01)
Patent
CA 2216855
Low cost, effective aqueous heavy duty liquid laundry detergent compositions are provided. Such compositions contain relatively low levels of an anionic/nonionic-based surfactant system along with a protease-containing enzyme component, a low-cost viscosity-enhancing agent and relatively large amounts of water. The anionic component of the surfactant system comprises a combination of alkyl sulfate and alkyl ether sulfate. The nonionic component of the surfactant system comprises fatty alcohol ethoxylates. Only minimal amounts of other detergent composition adjuvants are permitted in such compositions.
L'invention décrit des compositions détergentes aqueuses peu onéreuses et efficaces pour le gros blanchissage. Ces compositions ont une teneur en système tensioactif anionique/non ionique relativement faible ainsi qu'un constituent enzymatique contenant une protéase, un agent renforçateur de viscosité peu onéreux et d'assez grandes quantités d'eau. Le constituant anionique du système tensioactif comprend une combinaison de sulfate d'alkyle et de sulfate d'éther alcoylique. Le constituant non ionique du même système comprend des éthoxylates d'alcools gras. Seules des quantités minimales d'autres adjuvants de compositions détergentes sont autorisées dans les compositions selon l'invention.
Dauderman Shelley Lynn
Mcwilliams Linda Carol
Nair Hari Achuthan
Staud Gary Gerard
Kirby Eades Gale Baker
The Procter & Gamble Company
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