COLORING AGENTS NATURALISED WITH THE 6'-DEOXY-6'-(PIPERAZINYL)LACTOSE MOIETY

摘要

The present application refers to colouring products of formula (I) soluble in water at room temperature. Here a piperazine unity is inserted, bonded directly to the saccharidic unity. This moiety afford to the final glycoconjugated colorants some very advantageous characteristics for dyeing leather, textiles, wood and hairs.