VERFAHREN ZUR HERSTELLUNG EINER FARBSTOFFPRÄPARATION AUF BASIS DER KRAPPWURZEL

VERFAHREN ZUR HERSTELLUNG EINER FARBSTOFFPRÄPARATION AUF BASIS DER KRAPPWURZEL

The present invention relates to a method for the production of a dye preparation from madder root, comprising extraction of madder root in water at a temperature below 70-75 DEG C, preferably below 65 DEG C, while providing oxygen to the reaction mixture of madder root in water to obtain the dye pr...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: DE GROOT, AEDE, DERKSEN, GOVERDINA, CAPELLE, ANTHONY, VAN BEEK, TERIS ANDRE
Format: Patent
Sprache:ger
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:The present invention relates to a method for the production of a dye preparation from madder root, comprising extraction of madder root in water at a temperature below 70-75 DEG C, preferably below 65 DEG C, while providing oxygen to the reaction mixture of madder root in water to obtain the dye preparation and to the dye preparation thus obtained.