Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Treatment of untanned skins or hides
Patent
1978-04-17
1979-08-14
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Treatment of untanned skins or hides
8 941R, C14C 100
Patent
active
041643933
ABSTRACT:
Disclosed is a composition for preserving animal hides comprising propionic acid, sorbic acid, and preferably dehydroacetic acid and methyl paraben. This composition is used in aqueous floats containing the hides.
REFERENCES:
patent: 2722483 (1955-11-01), Winkler
patent: 3404987 (1968-10-01), Kodistra et al.
patent: 3483003 (1969-12-01), Ziffer et al.
patent: 3697651 (1972-10-01), Khan et al.
patent: 3920388 (1975-11-01), Weaver et al.
patent: 4083999 (1978-04-01), Drury et al.
T. C. Thorstensen, "Practical Leather Technology", (Krieger Publishing Co., New York), 1976, pp. 30-41.
The Merck Index (Ninth Edition), 1976, p. 796, No. 5972.
Clingman A. Lionel
Eastman Kodak Company
Reece III Daniel B.
Stevens John F.
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