Phthalocyanine reactive dyestuffs

Details Phthalocyanine reactive dyestuffs Phthalocyanine reactive dyestuffs

1981-11-17

1983-11-29

Raymond, Richard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602451, 26024573, 26024576, C09B 4730, C09B 4704

Patent

active

044180152

ABSTRACT:
The present invention relates to new phthalocyanine reactive dyestuffs which, in the form of the free acid, correspond to the formula I ##STR1## wherein Pc, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, a, b and c have the meaning given in the text of the Application.
The phthalocyanine radical Pc can be metal-free, but preferably contains a metal.
The invention furthermore relates to processes for the preparation of the dyestuffs of the formula I and to the use of these compounds for dyeing or printing materials containing hydroxyl groups and/or nitrogen.

REFERENCES:
patent: 3210345 (1965-10-01), Gamlen et al.
patent: 3679675 (1972-07-01), von Tobel
patent: 4280956 (1981-07-01), Schreiner et al.

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