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Inventor: Duchardt; Karl H.
Address: Cologne, DE
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4296044 |
Process for the preparation of cationic anthraquinone dyestuffs |
October 20, 1981 |
| Cationic anthraquinone dyestuffs of the formula ##STR1## wherein R.sub.1 denotes hydrogen, alkyl or cycloalkyl,R.sub.2 denotes hydrogen, alkyl or bromine,R.sub.3 denotes alkylene,R.sub.4 and R.sub.5 denote alkyl, aryl or aralkyl,R.sub.6 denotes alkyl or aralkyl andX.sup..crclbar. denotes an |
| 4268267 |
Phthalocyanine reactive dyestuffs |
May 19, 1981 |
| Dyestuffs of the formula ##STR1## wherein Pc, R.sub.1, R.sub.2, R.sub.3, R.sub.4, Ar, R.sub.5, R.sub.6, a, b and c have the meaning indicated in the description, and their use for dyeing and printing materials which contain hydroxyl or amide groups, such as textile fibres, filame |
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