Stable monoazo dyestuff
AssigneeHoechst Aktiengesellschaft
InventorsHubert Kruse, Karl Sommer
Life of this patent
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Abstract
The modification being stable under dyeing conditions of the dyestuff of the formula ##STR1## characterized by an X-ray diffraction diagram with characteristic reflexes at the following glance angles .theta.with the relative intensities as given below: ______________________________________ [o] 2.45 6.30 10.07 11.00 11.35 11.70 12.36 13.55 14.80 15.85 63 100 30 48 83 88 86 59 52 34 ______________________________________ Said modification in the form of a liquid or solid dyeing preparation being suitable for the dyeing of fibrous materials consisting of cellulose esters or synthetic linear polyesters.
Claims4
The modification being stable under dyeing conditions of the dyestuff of the formula ##STR3## characterized by an X-ray diffraction diagram with characteristic reflexes at the following glance angles .theta. with the relative intensities as given below:
- ______________________________________ [o] 2.45 6.30 10.07 11.00 11.35 11.70 12.36 13.55 14.80 15.85 63 100 30 48 83 88 86 59 52 34 ______________________________________
Dependencies are inferred from the claim text.