Cationic dyes
Abstract
Abstract Compounds of the general formula I ##STR1## where the radicals A, A 1 and B are identical or different and A is unsubstituted or substituted benzene or heteroaromatic, A 1 , if n=1, is unsubstituted or substituted heteroaromatic or is aryl which is unsubstituted or substituted by alkyl, aryl, cycloalkyl, chlorine, bromine, hydroxyl, alkoxy, aryloxy, nitro, hydroxycarbonyl, alkoxycarbonyl, or aminocarbonyl, and, if n>1, A 1 may also be aryl substituted by unsubstituted or substituted amino, B is a bridge member of the formula ##STR2## B 1 is a bridge member which may or may not be quaternized, R 1 and R 2 are hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aryl, alkoxy or amino, n is an integer equal to or greater than 1 and X.sup.θ is an anion. The compounds according to the invention are preferably used for coloring paper pulp.
Inventors
- 👤 Horst Bruder
- 👤 Hans-Juergen Degen
- 👤 Franz Feichtmayr
- 👤 Klaus Grychtol
- 👤 Udo Mayer
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
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