4,4'-BIS-(1-INDENONE-3-YL)-2,2'-DISULFOBIPHENYLENE ELICITING PROPERTY OF DIRECT AND ACID DYE Russian patent published in 2006 - IPC C09B57/00 C07C309/52 D06P1/39 D06P3/62 

Abstract RU 2277558 C1

FIELD: organic chemistry, dyes.

SUBSTANCE: invention relates to new arylenediamines that can be used as a direct and acid dye. Invention describes 4,4'-bis-(1-indenone-3-yl)-2,2'-disulfobiphenylene eliciting property of a direct and acid dye. Indicated compound (I) possesses property of a direct and acid dye and stains cotton, protein and polyamide fibers and mixed fabrics consisting of different fibers showing deep and intensive color.

EFFECT: valuable properties of dye.

1 dwg, 5 ex

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RU 2 277 558 C1

Authors

Berezina Galina Rudol'Fovna

Vorob'Ev Jurij Germanovich

Dates

2006-06-10Published

2005-03-29Filed