Tanning method

Details Tanning method Tanning method

1982-03-03

1983-08-16

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8436, 8437, 8 9417, 8 9419R, 8 9421, 8 9427, 8 9432, 8 9433, C14C 1100, C14C 104, C14C 106, C14C 108

Patent

active

043989110

ABSTRACT:
What is disclosed are improved methods for the preparation of leather wherein, in one or more steps for preparing leather from animal skins or hides, including beamhouse operations such as soaking, dehairing, opening of the hide structure, deliming, bating, pickling, and degreasing to prepare dehaired tannable hides from animal skins or hides, and including subsequent tanning, retanning, and dying steps performed on said tannable hides, a thickening agent is added to at least one of the treating baths involved in such method steps.

REFERENCES:
patent: 490791 (1893-01-01), Mellinger
patent: 1976679 (1934-10-01), Fikentscher et al.
patent: 2768056 (1956-10-01), Kirk
patent: 3408319 (1968-10-01), Rau
patent: 3850575 (1974-11-01), Larsen
patent: 3945792 (1976-03-01), Wurmli et al.
patent: 3986926 (1976-10-01), Monsheimer et al.
patent: 4187074 (1980-02-01), Traubel et al.
patent: 4310328 (1982-01-01), Monsheimer et al.

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