Dye composition and the use thereof

Details Dye composition and the use thereof Dye composition and the use thereof

2005-10-18

2005-10-18

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

C008S643000, C008S549000

Reexamination Certificate

active

06955693

ABSTRACT:
A dye composition is disclosed, which comprises a blue anthraquinone dye of the following formula (I)wherein Y is —CH═CH2, —CH2CH2Cl or —CH2CH2OSO3H; and a gray-black azo dye of the following formula (II)wherein Y is defined as the above. The dye compositions of the present invention have good stability and build-up property. The dye compositions are suitable for dyeing and printing materials that contain either cellulose fibers, such as cotton, artificial cotton, linen, and artificial linen, or synthetic polyamide, such as wool, silk, and nylon. The materials obtained through treatment with the dye compositions aforementioned show excellent properties, especially in wash-off, level-dyeing, build-up, light fastness and perspiration-light fastness.

REFERENCES:
patent: 4448583 (1984-05-01), Corso
patent: 4703112 (1987-10-01), Mischke et al.
patent: 5484899 (1996-01-01), Deitz et al.
patent: 5565007 (1996-10-01), Schrell et al.
patent: 0 683 251 (1995-04-01), None
patent: 0 668 328 (1995-08-01), None
patent: 1353899 (1974-05-01), None
Derwent abstract of EP 0 668 328 A2 Aug. 1995.

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