Patent ID: 9193696
Filing Date: 2015-11-24
Classification: C07D,C09B,D06P

Abstract:
1. A carboxylic acid type water-soluble sulfur dye comprising a parent compound and a number of carboxyl groups of formula I attached to the parent compound, wherein R R R X is selected from the group consisting of NH and O, wherein the parent compound is one selected from the group consisting of C.I. Sulphur Black 1, 2, 5, 6, 7, 10, 11, and 12; or one selected from the group consisting of C.I. Sulphur Yellow 2, 9, 16, 19, and 20; or one selected from the group consisting of C.I. Sulphur Orange 1 and 3; or one selected from the group consisting of C.I. Sulphur Brown 8, 10, 12, 15, 16, 21, 51, 52, 63, 88, and 90; or one selected from the group consisting of C.I. Sulphur Blue 2, 3, 5, 7, 9, 11, 13, 15, and 19; or one selected from the group consisting of C.I. Sulphur Red 2, 6, 7, 10, 11, 12, 13, and 14; or one selected from the group consisting of C.I. Sulphur Green 1, 2, 3, 6, 9, 19, 22, 25, 27, 31, 36, and 37.