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Title:
Process for the filling of leather and compositions therefor
Abstract:
A process for the filling of leather tanned with mineral, vegetable and/or synthetic tanning agents by treating the leather, in the acid pH-range , with an aqueous solution of a filling agent consisting of unsubstituted or substituted homo- or copolymeric acrylic acids and protein glue, alone or in admixture with further additives, as well as dry or liquid compositions thereof, are disclosed; thereby an even fullness of the leather is obtained without impairing the handle, the buffing properties, the tightness of the grain, the fine grain or the dyeability of said leathers.
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Inventors:
Wurmli, Albert (Riehen, CH) Wachsmann, Hubert (Riehen, CH)
Application Number:
336571
Filing Date: 1973-02-28 Publication_date: 1976-03-23 Assignee:
Ciba-Geigy Corporation (Ardsley, NY)
Primary Class(es):
8/94.21
8/94.1R, 8/94.32, 8/94.33, 252/8.57
Other Classes:
US Patent Ref:
Other Refs:
Other References:
"Resin Dispersion for Sealing and Finishing Leather," F.I.A.T. (B.I.O.S.), Final Report No. 1108, 1947, p. 178. |