Ecolab Inc.

Ecolab USA Inc.

Howie Kestell

Kim R Smith

Steven Eugene Lentsch

Victor F Man

Keith Edward Olson

Michael Bartelme

Burton M Baum

Terence P Everson

Michael J Bartelme

A warewashing detergent composition is provided according to the invention. The warewashing detergent composition includes a cleaning agent, an alkaline source, and a corrosion inhibitor. The cleaning agent comprises a detersive amount of a surfactant. The alkaline source is provided in an amount effective to provide a use composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. The relative amounts of the source of zinc ion and the source of aluminum ion can be controlled to reduce visible filming when the warewashing detergent composition is used in the presence of hard water. Methods for using and manufacturing a warewashing detergent composition are provided.

Warewashing composition comprising a Zn/Al corrosion inhibitor for use in automatic dishwashing machines

Warewashing composition for use in automatic dishwashing machines, and methods for manufacturing and using

Warewashing composition comprising zinc and aluminum ions for use in automatic dishwashing machines

Warewashing composition for use in automatic dishwashing machines, comprising a zinc ion and aluminum ion corrosion inhibitor

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Burnsville, MN, United States of America

Howie Kestell