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US 4,381,262 AGranted
Water-insoluble azo dyestuffs, their manufacture and their use
AssigneeCassella Aktiengesellschaft
InventorsUlrich Buhler, Dieter Cornelius, Rudolf Lowenfeld, Uwe Kosubek, Reinhard Hahnle, Rudolf Schickfluss
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Abstract
An azo dyestuff of the formula ##STR1## wherein R is linear alkyl having 2 to 4 carbon atoms and R' is linear alkyl having 3 to 5 carbon atoms and isopropyl.
Claims4
An azo dyestuff of the formula ##STR13## wherein R is a linear alkyl having 2 to 4 carbon atoms and R' is a linear alkyl having 3 to 5 carbon atoms or isopropyl.
Dependencies are inferred from the claim text.