Azo dyes of the pyridone series useful for flowable printing ink

Details Azo dyes of the pyridone series useful for flowable printing ink Azo dyes of the pyridone series useful for flowable printing ink

1978-04-21

1980-05-06

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 22, 106 23, 260154, 260146R, 260146D, C09B 2936

Patent

active

042017106

ABSTRACT:
Azo dyes which in the form of the free bases correspond to the general formula ##STR1## where R.sup.1 is hydrogen, chlorine, bromine, methyl, trifluoromethyl, methoxy, nitro or a radical X, R.sup.2 is hydrogen, chlorine or nitro, R.sup.3 is hydrogen, chlorine, bromine, methyl, methoxy, nitro or a radical X, R.sup.4 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sup.5 is cyano, carbamoyl or acetyl, R.sup.6 is hydrogen, substituted or unsubstituted alkyl or cycloalkyl or a radical X and X is a radical containing an amino group, the molecule containing at least one radical X. The compounds of the formula I are exceptionally useful for improving the flow of pigment-containing printing inks.

REFERENCES:
patent: 4032532 (1977-06-01), Burkhard et al.

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