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1. (WO2015044971) PROCESS FOR TANNING LEATHERS WITH TRIAZINE DERIVATIVES

Pub. No.:    WO/2015/044971    International Application No.:    PCT/IT2014/000226
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Thu Aug 28 01:59:59 CEST 2014
IPC: C14C 3/08
Applicants: GRUPPO MASTROTTO S.P.A.
Inventors: ZANCANARO, Aurora
POZZA, Giorgio
BEGHETTO, Valentina
Title: PROCESS FOR TANNING LEATHERS WITH TRIAZINE DERIVATIVES
Abstract:
Process for tanning leathers with triazine derivatives comprising at least the steps of transforming a raw animal skin into a de-calcined leather, placing the de- calcined leather in a container with water at room temperature, rotating said container, adding a triazine derivative, dissolved in water, in a concentration ranging between 5.5% and 22%, with respect to the pelt weight, or adding water soluble condensing agents, and draining and washing in water.