Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1979-06-26
1981-08-25
Schofer, Joseph L.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 9427, 8 9433, 252 857, 564507, C14C 306, C14C 316, C14C 308
Patent
active
042856892
ABSTRACT:
A leather tanning composition comprises a sufficient amount of the reaction product of a polyaldehydic compound and a secondary amine to increase the shrinkage temperature of a hide.
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patent: 4042321 (1977-08-01), Backer et al.
patent: 4060384 (1977-11-01), Sieger
patent: 4126413 (1978-11-01), Traubel
Lilling Herbert J.
Schofer Joseph L.
Seton Company
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