Triaszo dyestuffs containing etherified or esterified hydroxyl g

Details Triaszo dyestuffs containing etherified or esterified hydroxyl g Triaszo dyestuffs containing etherified or esterified hydroxyl g

1974-12-06

1977-02-01

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260157, 260158, 260169, 260186, 260206, C09C 3118, D06P 106, D06P 300, D06P 360

Patent

active

040061302

ABSTRACT:
Polyazo dyestuffs which in the form of the free acid correspond to the formula ##STR1## wherein R represents an etherified or esterified hydroxyl group in the o- or p-position, D represents the radical of a diazo component which, in the case that the sulpho group in the naphthalene ring is in the 4-position, is free of metallizable groups in the o-position and A can contain further substituents, are useful for the dyeing of hydroxy or nitrogen containing natural or synthetic fiber materials, for example, cellulose fibers in all states of processing, especially cotton and regenerated cellulose, as well as leather and paper.

REFERENCES:
patent: 2056539 (1936-10-01), Schindhelm et al.
patent: 2197350 (1940-04-01), Schindhelm et al.
patent: 2882266 (1959-04-01), Keller et al.

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