Method for degreasing natural skins, hides and pelts

Details Method for degreasing natural skins, hides and pelts Method for degreasing natural skins, hides and pelts

1984-06-08

1986-02-25

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

8 9418, 8139, 252 857, C14C 100

Patent

active

045727210

ABSTRACT:
Skins, hides and pelts are effectively degreased under mild conditions prior to tanning, in the presence of an organic primary, secondary or tertiary amine having surface-active properties and containing at least one lipophilic residue and at least one ethylene oxide unit, optionally in admixture with a non-ionic emulsifier.

REFERENCES:
patent: 2283421 (1942-05-01), Castendyk
patent: 3630661 (1971-12-01), Ramier et al.
patent: 4270912 (1981-06-01), Prentiss
patent: 4285689 (1981-08-01), Siegler
Chemical Abstracts, 94 (1981) 85689v.
Leather and Shoes, Jan. 30, 1960, pp. 18-20.

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