Improvements in or relating to cleaning compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/40 (2006.01) C11D 1/83 (2006.01) C11D 3/04 (2006.01) C11D 3/43 (2006.01)

Patent

CA 2131618

2131618 9319152 PCTABS00025 An aqueous cleaning composition comprises dye, preferably an acid dye, which is substantive to protein; water-miscible solvent; and surfactant, preferably alkoxylated surfactant. The dye can bind to protein to form a visible coloured complex and so reveal soil, with the surfactant (and also to some extent the solvent) performing a cleaning function to remove soil. By visualising protein, soil can be targetted for cleaning. Any dye remaining visible after cleaning indicates imperfect cleaning.

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