Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1987-09-22
1989-10-24
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 941R, 8 9423, 8 9433, C14C 306
Patent
active
048759007
ABSTRACT:
The invention relates to a method for treatment of leather for improving the chrome exhaustion and various other properties. The method consists in treating the leather with a dispersion microcrystalline polyamide or polyester. Such a treatment is carried out at the stage of tanning, rechroming, retanning or dyeing.
Kaushik Pushpendar K.
Moorthy Kanniah N. G. K.
Sankarasub-Ramanian Hariharan
Singh Vir B.
Lieberman Paul
McNally John F.
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