Colored aqueous alkalimetal hypochlorite compositions

Details Colored aqueous alkalimetal hypochlorite compositions Colored aqueous alkalimetal hypochlorite compositions

1982-10-28

1984-10-02

Albrecht, Dennis L.

Compositions

Electrolytes for electrical devices

252102, 25218633, 25218636, 252542, 252173, 252DIG14, C09K 1530, C11D 3395, C11D 340, C11D 754

Patent

active

044746776

ABSTRACT:
The invention pertains to colored aqueous alkalimetalhypochlorite compositions which are suitable for bleaching purposes. By inclusion in such compositions of a halogenated metalphthalocyanine pigment having from 6 to 16 halogen atoms per molecule of phthalocyanine, the color remains stable much longer than when a metalphthalocyanine is used having from 0 to 6 halogen atoms, at an alkalimetalhypochlorite level of 5-15% by weight. Inclusion of a metal complexing agent improves the chemical stability of the colored composition. A preferred embodiment is a colored thickened alkalimetalhypochlorite composition.

REFERENCES:
patent: 3544473 (1970-12-01), Kitchen
patent: 4271030 (1981-06-01), Brierley

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