PROCEDIMENTO PER IL RINVERDIMENTO DELLE PELLI

What is disclosed is a method for soaking preserved skins or hides adaptable to the preparation of leather which comprises soaking said skins or hides in an aqueous bath containing a compound selected from the group of compounds of the formula and acid addition salts thereof, wherein R taken alone i...

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Bibliographische Detailangaben
Hauptverfasser:	PFLEIDERER ERNST, MONSHEIMER ROLF
Format:	Patent
Sprache:	ita
Schlagworte:	APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING HIDES LEATHER METALLURGY PELTS SKINS
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Beschreibung
Zusammenfassung:	What is disclosed is a method for soaking preserved skins or hides adaptable to the preparation of leather which comprises soaking said skins or hides in an aqueous bath containing a compound selected from the group of compounds of the formula and acid addition salts thereof, wherein R taken alone is -H, -NH2, -CH3, or -NHCN, X taken alone is =O, =S, or =NH, and R and X taken together form a five- or six-membered heterocyclic ring having conjugated double bonds and containing only nitrogen as a hetero atom.