Process for mineral tanning, re-tanning or leather after-treatme

Details Process for mineral tanning, re-tanning or leather after-treatme Process for mineral tanning, re-tanning or leather after-treatme

1995-03-20

1998-03-10

Caldarola, Glenn

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 9422, 8 9425, 8 9426, 8 9427, 8 9428, 8 9429, 8 9433, 8 9419C, C14C 318, C14C 308

Patent

active

057255997

ABSTRACT:
A process for the production of mineral tanned or/and re-tanned or/and after-treated leather or pelt, wherein before the mineral tanning, directly after the mineral tanning, directly before the mineral re-tanning, after the mineral re-tanning or/and with the after-treatment of a fatliquoring with a polyvalent metal cation, the substrate is treated with

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patent: 4596581 (1986-06-01), Hohr et al.
patent: 4622425 (1986-11-01), Gagne
patent: 4740210 (1988-04-01), Amati et al.
patent: 4750906 (1988-06-01), Schmidt
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Encyclopedia of Chemical Technology, Kirk-Othmer, Third Edition, vol. 14, "Laminated Wood-Based Composites to Mass Transfer", pp. 208-221 & 228-231 (1981) (No Month).
Chemical Abstract 96:8482m "Tanning compositions containing aluminum salts", Feuer, B., (FR2463810) (Feb. 27, 1981).
Derwent Abstracts of : US4622425; US4750906; DE3005669; DE3406912; ES2010132; SU1475919; SU1447853; FR2463780.
Encyclopedia of Chemical Technology, Kirk-Othmer, Third Edition, vol. 14, pp. 208-221, pp. 228-231, 1981.

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