Use of 1:2 chrome complex dyes for dyeing leather or furs

Details Use of 1:2 chrome complex dyes for dyeing leather or furs Use of 1:2 chrome complex dyes for dyeing leather or furs

D - Textiles, Paper

06

P

8/6

D06P 3/30 (2006.01) C09B 45/14 (2006.01) D06P 3/32 (2006.01)

Patent

CA 1214903

Abstract The dyes of the formula I Image (I) wherein X is chlorine or nitro, Ka? is a cation, and wherein the sulfo group in the pyrazolone dye is arranged in the ring A or B, and the nitro group is arranged in the ring A of this dye in the 4-, 5- or 6-position of the 1-hydroxy-2-aminobenzene, are suitable for dyeing furs and especially leather. They are preferably used in admixture with one or more suitable yellow, blue or red dyes for dyeing leather in dark shades.

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