Photoactivator dye composition for detergent use

Details Photoactivator dye composition for detergent use Photoactivator dye composition for detergent use

1989-03-13

1991-02-05

Willis, Prince E.

Compositions

Electrolytes for electrical devices

252 94, 25217413, 2523151, 2523153, 8103, 4272133, 42721335, 428403, C11D 340, C11D 3395, B01J 1304

Patent

active

049902806

ABSTRACT:
A photoactivator dye composition includes microcapsules of a solid dispersion of a water-soluble photoactivator dye in an encapsulating material that is quickly soluble in water. In a method of preparing such a photoactivator dye composition, the photoactivator dye is dissolved in an aqueous medium, the solution thus obtained is mixed with an aqueous solution of the encapsulating material, the mixture thus obtained is converted into droplets, and the moisture content of these droplets is reduced to form a solid solution. The photoactivator dye composition may advantageously be used in a detergent composition which additionally includes a surfactant and conventional detergent ingredients.

REFERENCES:
patent: 3927967 (1957-12-01), Speakman
patent: 4033718 (1977-07-01), Holcombe et al.
patent: 4417994 (1983-11-01), Stoddart
patent: 4548610 (1985-10-01), Preiswerk et al.
patent: 4552562 (1985-12-01), Preiswerk et al.

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