Photoactivated bleach-compositions

Details Photoactivated bleach-compositions Photoactivated bleach-compositions

1976-10-22

1978-06-13

Weinblatt, Mayer

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

8103, 8107, 8111, 252 95, 252 99, 252103, C11D 754, C11D 750

Patent

active

040948064

ABSTRACT:
An unbuilt liquid detergent composition containing sulfonated zinc phthalocyanine as a bleach photoactivator is provided for removing stains from textiles. A process for removing stains from textiles by treating the textiles with an aqueous solution of the unbuilt detergent compositions of this invention in the presence of visible light and oxygen is provided. Preferred compositions contain a high proportion of zinc phthalocyanine tri and tetra sulfonates in the bleach photoactivator component.

REFERENCES:
patent: 3927967 (1975-12-01), Spearman
patent: 4033718 (1977-07-01), Holcombe et al.

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