Cationic compounds, their preparation and their use in the photochemical stabilisation of basic dyeable polyamide polyacrylonitrile and polyester fibres

摘要

New cationic compounds of the formula wherein X, Y₁, Y₂, Y₃, Q, R _o and R₂-R₇ have the meaning indicated in claim 1, for the photochemical stabilization of basic dyeable polyamide, poly acrylonitrile, and polyester fiber materials. The preparation of the new compounds and the new starting substances is described.