C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/10 (2006.01) C11D 1/83 (2006.01) C11D 3/08 (2006.01) C11D 3/20 (2006.01) C11D 3/37 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2175331
Automatic dishwashing detergent compositions comprising a weight to weight ratio of calcium complexing component to carbonate source of at least 9 and having a pH between about 7 and about 11 are disclosed. The compositions exhibit enhanced filming performance particularly preferred compositions additionally contain polymer dispersant and silicate.
L'invention se rapporte à des compositions détergentes pour lave-vaisselle comprenant un rapport poids/poids entre le composant complexant de calcium et la source de carbonate qui est d'au moins 9, ainsi qu'un pH compris entre environ 7 et environ 11. On améliore ainsi les propriétés de la composition comme agent empêchant la formation d'un voile sur la vaisselle. Des compositions particulièrement préférées contiennent en outre un agent dispersant polymère ainsi qu'un silicate.
Dimock Stratton Llp
The Procter & Gamble Company
LandOfFree
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