C - Chemistry – Metallurgy – 14 – C
Patent
C - Chemistry, Metallurgy
14
C
C14C 3/04 (2006.01) C14C 11/00 (2006.01)
Patent
CA 2113548
2113548 9302218 PCTABS00019 Described is the use of at least substantially storage-stable supersaturated and acidified aqueous solutions of mixtures of aluminium triformate and alkali-metal and/or alkaline-earth formates as a means of supplying a water-dissolved mineral tanning agent based on aluminium formate for the tanning of leather and/or hides using little or no chromium. The invention thus concerns, in particular, storage-stabilized supersaturated and acidified aqueous solutions of this kind which also contain small quantities of stabilizers, preferred stabilizers being 1,2,3,4-butanetetracarboxylic acid and/or xanthane gum. The invention also concerns the use of such stabilized supersaturated aqueous forms of aluminium triformate solutions for use as tanning auxiliaries with a fixing and/or tanning action in the tanning or finishing of leather and hides.
de Riese-Meyer Loert
Hieber Jochen
Schroeder Christine
Zauns-Huber Rudolf
Borden Ladner Gervais Llp
Henkel Kommanditgesellschaft Auf Aktien
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