Patent Number: RE37,004

Title: Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure

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.

Inventors: Takahashi; Yousuke (Kitakyushu, JP), Shimizu; Yukihara (Sagamihara, JP), Hihara; Toshio (Kitakyushu, JP), Himeno; Kiyoshi (Munakata, JP)

Assignee: Dystar Japan Ltd.

International Classification: C09B 62/51 (20060101); C09B 62/44 (20060101); C09B 062/028 (); C09B 062/085 (); C09B 062/245 (); C09B 062/51 ()

Expiration Date: 12/26/2017