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1.发明授权Water-soluble tetraazo dyestuffs containing a pyrazolone and disulfonaphthal group 失效含有吡唑啉酮和脱乙酰基团的水溶性四氢番茄红素
公开(公告)号：US3634390A
公开(公告)日：1972-01-11
申请号：US3634390D
申请日：1969-04-08
Applicant: HOECHST AG
Inventor： SOMMER KARL , BODE HENNING
CPC classification number: C09B33/28
Abstract: WATER-SOLUBLE POLYAZO-DYESTUFFS OF THE FORMULA
1-((3,6-DI(HO3S-),7-(Y-N=N-),8-(HO-)NAPHTHYL)-N=N-),
2-(HO-),4,6-DI(X-),5-(((3-R1,4-(R-N=N-),5-(HO-)
PYRAZOL-1-YL),R2-PHENYL)-N=N-)BENZENE
SAID DYESTUFFS BEING EASILY SOLUBLE IN WATER AND BEING SUITABLE FOR THE DYEING OF LEATHER AND FUR SUEDES, THE DYEINGS OBTAINED ON SIAD MATERIALS MOSTLY SHOWING A YELLOWISHBROWN SHADE AND HAVING A GOOD RESISTANCE TO ACIDS, A GOOD LEVELLING AND PENETRATING POWER, AND POSSESSING GOOD PROPERTIES OF FASTNESS TO WATER, WASHING, PERSPIRATION, SOLVENTS AND TO LIGHT.
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