Bayer Aktiengesellschaft

Richard Schwaebel

Horst Jager

Karlheinz Wolf

Reinhold Hornle

Gunther Boehmke

Hans-Heinz Molls

Vaclav Kaspar

Reinhard Nebeling

Kurt Schreiner

Hans-Werner Petroll

Reactive azo dyestuffs of the formula ##STR1## wherein D . . . radical of the benzene or naphthalene series, having a sulpho group in the o-position to the azo bridge,

Azo dyestuffs having sulpho ortho to azo bridge and containing two

Phthalocyanine reactive dyestuffs of the formula ##STR1## wherein Pc, A, Z, Y, Q, a, b and c have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or containing amide groups, such as textile fibres, yarns and fabrics consisting of wool, silk, synthetic polyamide fibres and polyurethane fibres, and for wash-fast dyeing and printing of natural or regenerated cellulose.

Phthalocyanine reactive dyestuffs

Dyestuff formulations which contain anionic, water-soluble dyestuffs or developable dyestuffs and salts of diaryl ether-sulphonic acids are suitable for the preparation of padding liquors, dyebaths and printing pastes.

Dyestuff formulations containing salts of diaryl ether sulfonic acids

Process for printing cellulosic fibre materials with reactive dyestuffs and/or direct dyestuffs wherein are used emulsion printing pastes which contain, in addition to the dyestuffs and the alkalis required for fixing the reactive dyestuffs

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Leverkusen, Germany

Richard Schwaebel