High light fastness reactive red dyes

Details High light fastness reactive red dyes High light fastness reactive red dyes

2006-04-11

2006-04-11

Powers, Fiona T. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C008S549000

Reexamination Certificate

active

07026458

ABSTRACT:
The present invention refers to dyestuffs of the formula (I)whereinR1is H or (C1–C4)-alkyl;R2is H or (C1–C4)-alkyl;each of X1and X2, independently, is a labile atom or group; andM is H, an alkali metal, an ammonium ion or the equivalent of an alkaline earth metal,wherein compounds wherein R1and R2are H are excluded,mixtures of the dyestuffs of the formula (I) with dyestuffs of the formula (II)whereineach of X3and X4, independently, is a labile atom or group;L is an organic linking group; andM is H, an alkali metal, an ammonium ion or the equivalent of an alkaline earth metal,processes for the preparation of said dyestuffs and said dyestuff mixtures and their use for dyeing and printing hydroxy- and/or carboxamido-containing fiber materials.

REFERENCES:
patent: 6319290 (2001-11-01), Kalweit et al.
patent: 6482255 (2002-11-01), Lavery et al.
patent: 854432 (1960-11-01), None
patent: 2 331 757 (1999-02-01), None
patent: WO-99/21922 (1999-05-01), None

Affiliated with

Also associated with

Rating

High light fastness reactive red dyes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High light fastness reactive red dyes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High light fastness reactive red dyes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3617757