公开(公告)号：US3663576A

公开(公告)日：1972-05-16

申请号：US3663576D

申请日：1969-08-06

Applicant: HOECHST AG

Inventor： MEININGER FRITZ ,  KELKHEIM KLAUS HUNGER ,  SPRINGER HARTMUT

IPC: C09B62/505 ,  C09B62/445 ,  C09B1/34

CPC classification number: C09B62/445

Abstract: WATER-SOLUBLE ANTHRAQUINONE DYESTUFF HAVING IN FORM OF THE FREE ACID FORMULA

1-NH2,2-HSO3,4-(H2O3P-O-CH2-CH2-SO2-X-(PHENYLENE)-NH-),

(HO3S-)N-ANTHRAQUINONE

IN WHICH X REPRESENTS A DIRECT LINKAGE,-CH2-, -CH2CH2-,-NH-OR-N(LOWER ALKYL)-, THE BENZENE NUCLEUS IS UNSUBSTITUTED OR SUBSTITUTED BY HYDROGEN, METHYL, LOWER ALKOXY, CARBOXYL, CHLORINE OR BROMINE, AND N STANDS FOR 0 OR 1, THE SAID DYESTUFFS BEING SUITABLE FOR THE DYEING OR PRINTING OF LEATHER OR OF FIBROUS MATERIALS CONSISTING OF WOOL, SILK, LINEAR POLYMIDES, NATIVE OR REGENERATED CELLULOSE FIBRES, THE DYEINGS OR PRINTS OBTAINED ON SAID MATERIALS BEING DISTINGUISHED BY VERY GOOD FASTNESS PROPERTIES TO WETTING AND TO LIGHT.