Condensates for the retanning of Fe-tanned leather

A process for the retanning of iron-tanned leather, comprising applying to iron-tanned leather condensates based on: A) sulphonated aromatics, B) aldehydes and/or ketones and optionally C) one or more compounds selected from the group consisting of the unsulphonated aromatics, urea and urea derivati...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WHITEMAN JOHN D, MARKGRAF KIRSTEN, KAPLAN AHMET, KLEBAN MARTIN, TEGTMEYER DIETRICH
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS FOR TANNING HIDES LEATHER MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PELTS SKINS THEIR PREPARATION OR CHEMICAL WORKING-UP
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