Sulfo group-containing monoazo compounds having an unsubstituted

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Leather dyeing

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8527, 8684, 8691, 8918, 8919, 534606, 534751, 534753, 534774, 534775, 534781, 534782, 534885, C09B 2901, C09B 4408, D06P 102, D21H 380

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active

048774120

ABSTRACT:
Compounds of the formula ##STR1## in free acid or salt form and internal, external and acid addition salts thereof, wherein

REFERENCES:
patent: 3726851 (1973-04-01), Litke
patent: 3788802 (1974-01-01), Litke
patent: 3862116 (1975-01-01), Toji
patent: 3995997 (1976-12-01), Boehmke et al.
patent: 4071312 (1978-01-01), Blackwell
patent: 4525583 (1985-06-01), Adam

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