Activation of hypochlorite bleaching of dyes

Details Activation of hypochlorite bleaching of dyes Activation of hypochlorite bleaching of dyes

C - Chemistry, Metallurgy

11

D

150/1, 8/84, 134

C11D 3/395 (2006.01) A61L 2/16 (2006.01) A61L 9/05 (2006.01) C09B 11/12 (2006.01) D06L 3/06 (2006.01)

Patent

CA 1183435

ABSTRACT OF THE DISCLOSURE A method of bleaching of certain triarylmethane dyes in aqueous systems with low concentration of hypo- chlorite ion, activated by the presence of bromide ion and ammonium ions. The method is particularly useful in pro- viding a disappearing color signal in the automatic cleaning and sanitizing of toilet bowls with low concentrations of hypochlorite. Compositions and articles for implementing the practice of the method in the automatic cleaning and sanitizing of toilet bowls are also disclosed.

389415

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