Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Leather dyeing
Patent
1987-09-17
1989-04-04
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Leather dyeing
8941R, 8436, 8624, D06P 332
Patent
active
048182460
ABSTRACT:
For improving the light-fastness of leather dyed with anionic dyes, the leather is treated, before, during or after dyeing, with a compound of copper.
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Back Gerhard
Koller Josef
Puntener Alois
Ciba-Geigy Corporation
Lieberman Paul
Skaling Linda D.
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