Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Treatment of untanned skins or hides
Patent
1983-06-20
1984-11-27
Tungol, Maria Parrish
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Treatment of untanned skins or hides
8 9415, C14C 106, C14C 108
Patent
active
044849249
ABSTRACT:
What is disclosed is a process for the unhairing and subsequent curing of hides and skins, which comprises washing flayed skins and hides to remove adhering dirt, then soaking said skins and hides and freeing them of hair and scud with a short term unhairing, reversing the swelling of said skins and hides and neutralizing them, and curing said skins and hides with salt, said skins and hides being mechanically fleshed either after washing or at some later time in the process as recited.
REFERENCES:
patent: 1969922 (1934-08-01), Canter
patent: 2937921 (1960-05-01), Cordon et al.
patent: 3741722 (1973-06-01), Elvrum
patent: 4229175 (1980-10-01), Knaflic et al.
patent: 4278432 (1981-07-01), Monsheimer et al.
patent: 4351639 (1982-09-01), Monsheimer et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, Interscience Encyclopedia, Inc., New York, vol. 8, pp. 291-295.
Monsheimer Rolf
Pfleiderer Ernst
Taeger Tilman
Rohm GmbH
Tungol Maria Parrish
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