Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Depilating
Patent
1979-03-09
1980-09-16
Kight, III, John
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Depilating
8 941R, 8 9415, C14C 106, C14C 108
Patent
active
042227410
ABSTRACT:
A process for treatment of mechanically removed porcine skins for the production of edible gelatin or of both gelatin and leather, the present invention provides a step-wise method for chemical dehairing and degreasing of the skin, which method offers an environmentally more acceptable procedure for dehairing, degreasing, and ultimately treating the skin to produce gelatin and leather, the quality of the ultimate products being uncommonly high. The dehaired and degreased skin can then be processed for conventional gelatin production or said skin can be mechanically split into a grain layer for leather or gelatin production and a flesh layer for conventional gelatin or leather production.
REFERENCES:
patent: 1976881 (1934-10-01), Harvey
patent: 2016260 (1935-10-01), Turley
patent: 2101877 (1937-12-01), Sheppard et al.
patent: 2155087 (1939-04-01), Grassman et al.
patent: 3625811 (1971-12-01), Okamura
patent: 3799737 (1973-03-01), Elvrum
Extraction of Glue & Gelatin from Skins and Hides, Abstract JALCA, 59, p. 88 (1964).
Weiss Gerald M.
Whitney Edward A.
Dubuque Packing Company
Jacobson Harvey B.
Kight III John
O#Brien Clarence A.
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