Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1989-05-05
1990-02-06
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534606, 534631, 534634, 534642, 534617, C09B 62453, C09B 6209, C09B 62513, D06P 138
Patent
active
048989339
ABSTRACT:
Water-soluble azo compounds having useful fiber-reactive dye properties conforming to the general formula ##STR1## in which: A is phenylene which may be substituted by lower alkoxy, lower alkyl, chlorine, sulfo and carboxy, or is a radical of the formula ##STR2## in which W is a direct bond or a radical of the formula --CH.dbd.CH-- or --NH--CO--NH-- and R* denotes hydrogen, nitro, sulfo, carboxy, methyl, ethyl, methoxy or ethoxy;
REFERENCES:
patent: 4323497 (1982-04-01), Hoyer et al.
patent: 4378312 (1983-03-01), Hoyer et al.
patent: 4453945 (1984-06-01), Miyamoto
patent: 4762916 (1988-08-01), Schlafer et al.
patent: 4808193 (1989-02-01), Schlafer et al.
Hahnle Reinhard
Schlafer Ludwig
Springer Hartmut
Higel Floyd D.
Hoechst Aktiengesellschaft
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