Phthalocyanine - reactive dyes, processes for their preparation and their use for the dyeing of hydroxyl groups - and / or nitrogen-containing materials

摘要

The novel reactive phthalocyanine dyes useful for dyeing hydroxyl- and/or nitrogen-containing materials have, in the form of the free acid, the formula IMAGE where Pc, R1, R2, B and also a, b and c each have defined meanings.d