| abstract |
Basic rhodamine dyes of the formula in the L C₂-C₁₀ alkylene, R¹, R² and R³ independently of one another hydrogen, optionally substituted C₁-C₁₀-alkyl or C₅-C₇-cycloalkyl or R¹ and R² together with the nitrogen atom connecting them a heterocyclic radical, An ⊖ the equivalent of an anion and m and n are independently 0 or 1, Recording liquid for the ink jet process, containing the new dyes, and the use of the new dyes for dyeing paper materials. |