DYES AND MIXTURES FOR TAINTING DURING WASHING Russian patent published in 2015 - IPC C11D3/40 C11D3/42 C09B31/02 C09B31/04 C09B31/57 D06B1/00 

Abstract RU 2545461 C2

FIELD: chemistry.

SUBSTANCE: claimed invention relates to method of tainting during washing by means of special flue or violet bis-azo dyes, separately or in combination with photocatalyst. Other objects of claimed invention represent composition, containing at least one photocatalyst and at least one of special bis-azo dyes. Composition in accordance with claimed invention is especially suitable for tainting fabrics during washing. Other objects of claimed invention represent detergent composition, fabric-softening composition, containing said dyes or mixtures of said dyes and photocatalysts, and new blue or violet bis-azo dyes.

EFFECT: reduction of dye accumulation on fabric after several washing cycles.

15 cl, 3 tbl, 36 ex

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RU 2 545 461 C2

Authors

Araja Khehrnandes Karmen

Bakhmann Frank

Kramer Khans

Shlenker Vol'Fgang

Rane Dipak M.

Dates

2015-03-27Published

2011-04-21Filed