Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Treatment of untanned skins or hides
Patent
1989-07-26
1991-01-15
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 941R, 62384, C14C 100
Patent
active
049850393
ABSTRACT:
In order to have a preservation process that is environmentally safe and that prevents bacterial or enzymatic decomposition of the hides, the hides are treated with CO.sub.2 immediately after being pulled off.
REFERENCES:
patent: 31640 (1861-05-01), Wyeth
patent: 4166364 (1979-09-01), Ruprecht et al.
patent: 4206616 (1980-06-01), Frank et al.
Lieberman Paul
McNally John F.
Messer Griesheim GmbH
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