Disazo red reactive dye compound containing quarternary ammonium group
申请人:Everlight USA, Inc.
公开号:US07232895B1
公开(公告)日:2007-06-19
The present invention relates to a disazo red reactive dyestuff containing quaternary ammonium group of the following formula (1):
wherein R′, R″, m, n, Y1 and Y2 are defined the same as in the specification. The disazo red reactive dyestuff of the present invention has a good dye uptake while dyeing cellulose fibers, which satisfies the economical demand of high build up in the market.
Reactive Azo Dyes, Methods for the Production Thereof and Their Use
申请人:Gorlitz Gunter
公开号:US20080289124A1
公开(公告)日:2008-11-27
Reactive dyes of the formula (1)
where R
1
to R
5
, Ar, n, Y and D are as defined in claims
1
and
2
are described, as are processes for preparing them, and their use for dyeing and printing carboxamido-, amino-, and hydroxyl-containing material.