Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Treatment of untanned skins or hides
Patent
1986-04-09
1987-12-15
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Treatment of untanned skins or hides
C14C 100
Patent
active
047130784
ABSTRACT:
The invention relates to a method for preserving raw hides, skins and furskins comprising treating the hides, skins and furskins with an aqueous solution containing at least 0.1% by mass of cyanamide and, if desired, one or more members of the group consisting of polyalcohols, fungicides, sodium chloride, buffer systems possessing buffer capacity in acidic media, salts capable of acidic hydrolysis, weak acids and surface active agents.
The raw hides, skins and furskins can be stored without of appearance of any sign of deterioration for at least two weeks in humid ambient conditions.
REFERENCES:
patent: 3734684 (1973-05-01), Donaldson et al.
David Dezso
Deme Istvan
Karnitscher Tamas
Molnar Gyorgy
Rovo Peter
Bor-es Cipoipari Kutato-Fejleszto Vallalat
Budapesti Boripari Vallalat
Lieberman Paul
McNally John F.
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