Church Dwight & Co., Inc.

Antony E Winston

Alfredo Vinci

Steven A Bolkan

Steven E Dunn

Gale A Byrnes

Patricia L Phillips

An aqueous metal cleaning composition is provided which comprises an alkalinity providing agent such as alkali metal carbonate and/or bicarbonate salts and a low foaming surfactant. The aqueous cleaning solution has specific foam height and foam collapse characteristics, and provides for substantially complete phase separation of a contaminant phase from the aqueous cleaning composition such that there is substantially no aqueous phase drag out into the contaminant phase; and the contaminant phase can be removed easily, and the aqueous cleaning solution can be recovered and reused.

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East Brunswick, NJ, United States of America

Antony E Winston