Colorant salts and their use in dyeing polymeric material
Copper phthalocyanines having trimethylammoniummethyl groups as
Dyes containing two phthalocyanine groups linked by a radical co
Dyestuffs of the phthalocyanine series, their preparation and th
Gas-resistant phtalocyanine dyes
Method of modulating stability of sulfonated dye
Process for the preparation of fiber-reactive dyestuffs
Shading compositions
Solid dyestuff preparations having improved water solubility
Water-soluble copper phthalocyanine dyestuffs, their preparation