Bright Detergent


By: Tom Branna

Bright Detergent

US 9,200,240 B2; Conopco, Inc., Englewood Cliffs, NJ, has patented a detergent composition that contains violet anionic alkoxylated thiophene dye comprising an anionic group covalently bound to alkoxy groups; blue triphenyl methane dye, wherein the molar ratio of the blue triphenyl methane dye to the violet anionic alkoxylated thiophene dye is in the range from 1:1 to 1:3; and surfactants selected from anionic and nonionic surfactants.

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