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US 4,231,964 AGranted
Nitroamines, processes for their manufacture and their use as diazo components
AssigneeHoechst Aktiengesellschaft
InventorsRudolf Kuhne, Heinrich Hamal
Life of this patent
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Abstract
Compounds of the formula ##STR1## wherein one of the pairs of substituents X and X' on the one hand and Y and Y' on the other hand stands for nitro and the other for amino and wherein n is 1 to 4, are diazo components, especially for disazo pigments of high tinctorial strength and purity of shade.
Claims5
A compound having the formula ##STR10## wherein n is 1 to 4.
Dependencies are inferred from the claim text.