Alois Puntener

PROCESS FOR DYEING LEATHER WITH AN AQUEOUS BATH CONTAINING SULFONATED CARBON BLACK AND BLACK ANIONIC DYE

Process for the continuous trichromatic dyeing of synthetic polyamide materials: including a blue anthraquinone reactive dye

Asymmetric 1:2 chromium complex dyestuffs

PROCESS FOR THE CONTINUOUS TRICHROMATIC DYEING OF SYNTHETIC POLYAMIDE MATERIALS

1:2 chromium or cobalt complex axo dyes containing at least one 2-aryl-4-amino-6-hydroxypyrimidine radical

Process for dyeing leather and pelts with dye mixtures

Aqueous solutions of synthetic tanning agents

Process for improving the fastness to light of leather

DISAZO DYESTUFFS, METAL COMPLEXES THEREOF, THEIR PREPARATION AND USE

Process for dyeing leather with dye mixtures