Cationic dyestuffs

Details Cationic dyestuffs Cationic dyestuffs

1975-10-23

1977-04-12

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240G, 2602401, 2602406, 26024065, 2602408, 260244R, 260283R, 260315, 2603191, C07D40106

Patent

active

040174840

ABSTRACT:
Cationic dyestuffs of the formula ##STR1## wherein R denotes an alkoxy, aralkoxy, aryloxy or acylamino radical, R.sub.1 and R.sub.3 denote hydrogen or an alkyl, cycloalkyl, aralkyl or aryl radical, R.sub.2 denotes hydrogen, halogen or an alkyl, cycloalkyl, aralkyl, aryl, nitrile, carboxylic acid ester, arylazo or heterocyclic radical, A denotes members of ring an An(.sup.-) denotes an anion, are suitable for dyeing and printing of natural and synthetic materials, especially of the polymers of acrylnitrile.

REFERENCES:
patent: 2304981 (1942-12-01), Wilmanns
patent: 2979512 (1961-04-01), Wright
patent: 3094418 (1963-06-01), Heseltine et al.
patent: 3832171 (1974-08-01), Janssens et al.

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