公开(公告)号：US3637649A

公开(公告)日：1972-01-25

申请号：US77549768

申请日：1968-11-13

Applicant: HOECHST AG

Inventor： MCININGER FRITZ ,  SCHLAFER LUDWIG

IPC: C09B31/047 ,  C09B31/04 ,  D06P1/06

CPC classification number: C09B31/047

Abstract: THE WATER-SOLUBLE DISAZO-DYESTUFF OF THE FORMULA

1-((3-(HO3S-)PHENYL)-N=N-),4-((2-(CH3-),4-(NC-CH2-CH2-N

(-CH2-CH3)-)PHENYL)-N=N-)NAPHTHALENE

SAID DYESTUFF BEING SUITABLE FOR THE DYEING OR PRINTING OF FIBRES, FOILS OR FIBRES, OF WOOL, SILK, POLYAMIDES, POLYURETHANES OR LEATHER, WHICH DYEINGS ARE INTENSE OF A UNIFORM BORDEAUX RED COLORATION AND ARE VERY FAST TO LIGHT AND TO WET PROCESSING.