Automatic dishwashing detergent composition

Details Automatic dishwashing detergent composition Automatic dishwashing detergent composition

C - Chemistry, Metallurgy

11

D

134/3.11

C11D 3/075 (2006.01) C11D 1/72 (2006.01)

Patent

CA 1050380

AUTOMATIC DISHWASHING DETERGENT COMPOSITION Edward J. Maguire, Jr. ABSTRACT Bleach-free granular detergent compositions for use in automatic dishwashers comprising an alkoxylated nonionic surface-active agent, a sulfonated aromatic compatibilizing agent and a mixture of an alkali sulfite and an alkali sul- fate in a specific weight ratio. Preferred nonionic surfac- tants include ethoxylated nonionics and preferred compatibil- izing agents can be selected from xylene-, toluene-, cumene-, benzene-, trimethyl benezene-, ethylbenzene- and ethylmethyl benzenesulfonates. The sulfite-sulfate mixture is present in a weight ratio of sulfite to sulfate from about 1:4 to about 2:1. The instant compositions possess enhanced antiredepos- ition properties for soils composed of grease and grease- protein complexes and, in addition, exhibit improved cleaning properties particularly for burned-on soils.

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