Water-insoluble aluminosilicates as tanning agents for the dress

Details Water-insoluble aluminosilicates as tanning agents for the dress Water-insoluble aluminosilicates as tanning agents for the dress

1979-07-10

1981-04-28

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 9426, 8 9427, 8 9429, C14C 304, C14C 306, C14C 308, C14C 322

Patent

active

042643180

ABSTRACT:
In the process of tanning for the production of dressed fur skins comprising subjecting pickled fur skins to the action of an aqueous liquor containing tanning agents, the improvement which comprises adding to the pickling bath as sole tanning agent a water-insoluble aluminosilicate, containing bound water, of the formula

REFERENCES:
patent: 2395472 (1946-02-01), Fernald et al.
patent: 4049379 (1977-09-01), Erdmann et al.
Derwent Abs. 1896B/02 12-12-78 Henkel (BE-868-481) "Use of Alkali Metal Aluminosilicates for Cleaning Crude Skins".
Derwent Abs. 10088/B06 Feb. 1, 1979 Henkel (DT 2732-215) "Additives for Defatting & Tanning in Leather Manuf.".
Chem. Abs. 20430t vol. 69 (1968) "Increasing the Water Resistance of Hides".

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