Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1997-08-22
2000-12-26
Powers, Fiona T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534632, 534642, C09B 62028, C09B 62085, C09B 62245, C09B 6251
Patent
active
RE0370045
ABSTRACT:
A water-soluble monoazodye having the following formula (I) in its free acid form: ##STR1## wherein X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 W wherein W is a leaving group removable by alkali; R.sup.1 is methyl, --NHCONH.sub.2 or --NHCOT.sup.1 wherein T.sup.1 is methyl, ethyl, --CH.sub.2 CH.sub.2 COOH or --CH.dbd.CHCOOH; R.sup.2 is hydrogen, lower alkyl or lower alkoxy; and Z is ##STR2## wherein P is cyano or halogen, each of Q and U which are independent of each other, is halogen, V is halogen or ##STR3## and Y is halogen or a group of the following formula (1) or (2): ##STR4## wherein R.sup.3, A, R.sup.4 and E are as defined in the disclosure and G is as defined above, has a moderate yellow to orange color and is particularly suitable for dyeing cellulose fibers or nitrogen-containing fibers.
REFERENCES:
patent: 5380827 (1995-01-01), Takahashi et al.
patent: 5391718 (1995-02-01), Tzikas et al.
patent: 5527886 (1996-06-01), Auerbach et al.
patent: 5530104 (1996-06-01), Tzikas et al.
patent: 5731421 (1998-03-01), Tzikas et al.
patent: 5747657 (1998-05-01), Lehr
Hihara Toshio
Himeno Kiyoshi
Shimizu Yukihara
Takahashi Yousuke
DyStar Japan Ltd.
Powers Fiona T.
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