Water-soluble anthraquinone dyestuffs
Abstract
Abstract C6H4-SO3H OR -SO2-CH2-CH2-N (LOWER ALKYL)2, N 1, 2 TO 3, A IS 1 TO 2 AND B IS 1, 2, OR 3, SAID DYESTUFFS BEING HIGHLY SUITABLE FOR THE DYEING OR PRINTING OF LEATHER, WOOL, SILK, FIBROUS MATERIALS OF POLYAMIDES, POLYURETHANES AND PARTICULARLY OF NATIVE OR REGENERATED CELLULOSE, THE DYEINGS AND PRINTS OBTAINED ON THE SAID MATERIALS SHOWING INTENSE BLUE TO GREEN-BLUE SHADE AND BEING DISTINGUISHED BE VERY GOOD FASTNESS TO WET PROCESSING AND A GOOD FASTNESS TO LIGHT. (CH2)2-S-SO3H, -SO2-(CH2)2-PO3H2, AND -SO2-(CH2)2-OOC- -SO2-CH=CH2, -SO2-(CH2)2-OH, -SO2-(CH2)2-O-SO3H, -SO2- IN WHICH X REPRESENTS -SO2-CH=CH-, (HO3S)(N-1)-ANTHRAQUINONE 1-NH2,2-(HO3S-),4-(((X)A,(HO3S)(B-1)-NAPHTHYL)-NH-), A WATER-SOLUBLE ANTHRAQUINONE DYESTUFF HAVING IN FORM OF THE FREE ACID THE FORMULA
Inventors
- 👤 F Meininger
- 👤 H Springer
Bibliographic Details
Claims Analysis
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