Abstract: A monoazo compound of the formula, ##STR1## wherein X is hydrogen atom or lower alkyl group; Z is hydrogen atom, halogen atom, alkyl group, acylamino group, benzoylamino group or alkylsulfonylamino group; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently are hydrogen atom or alkyl group, provided that R.sub.1, R.sub.2, R.sub.3 and R.sub.4 cannot simultaneously be hydrogen atoms; and R.sub.5 is hydrogen atom, alkyl group, substituted alkyl group, alkenyl group, cycloalkyl group, aralkyl group or phenyl group.
Type:
Grant
Filed:
July 18, 1983
Date of Patent:
July 16, 1985
Assignee:
Research Association of Dyestuff Manufacturers