Process for tanning leather

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

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Details

8 9418, 8 9433, 8 9425, 8 9427, 8 9428, 8 9429, C14C 318, C14C 328

Patent

active

058206345

ABSTRACT:
Bisulphite-blocked, polyether-modified polyisocyanates are outstandingly suitable, in combination with mineral tanning agents, for the tanning of leather.

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