Tanning of leather

Compositions – Leather or fur treating

Patent

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Details

8 9427, 8 9429, C14C 900

Patent

active

046221565

ABSTRACT:
Leather is made by tanning hides and skins in a solution containing chromium to which is added reactive alumina hydrate. A high take-up of chromium and leather having improved properties are obtained.

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von A. Zissel, "Der Ersatz des Chroms durch Aluminium und andere Gerbstoffe im Hinblick auf Ledercharakter und Gerbstoffbindung".
N. P. Slabbert, "Metal Complexes and Mineral Tanning", Leather Industries Research Institute, Proc. XVI Cong. Int. Union Leather Chem. Technol. Socs.
C. W. Beebe, et al. [J. Am. Leather Chem. Assoc., 52, 560 (1957)], The Use of Acrylates in Aluminum Tanning.
Krawiecki [Proc. XVI Cong. Int. Union Leather Chem. Technol. Socs. I (1975)], Unconventional Method of Chrome-Aluminium Tannage.

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