Condensation products for the retanning of iron-tanned leather

Use is claimed in the post-tanning of iron-tanned leather of condensation products of (A) sulfonated aromatics; (B) aldehydes or ketones; and optionally also (C) non-sulfonated aromatics, urea or urea derivatives with the proviso that the content of naphthalenesulfonic acid-formaldehyde condensates...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KLEBAN, MARTIN, TEGTMEYER, DIETRICH, KAPLAN, AHMET, WHITEMAN, JOHN D, MARKGRAF, KIRSTEN
Format:	Patent
Sprache:	eng ; fre ; ger
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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