Process for the retanning of mineral tanned leather

Details Process for the retanning of mineral tanned leather Process for the retanning of mineral tanned leather

1985-02-20

1988-06-14

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 9426, C14C 306

Patent

active

047509066

ABSTRACT:
The present invention concerns retanning agents for mineral tanned leathers. They comprise aqueous solutions of organic polymer complex compounds containing carboxyl groups doped with chromium III. The agents are characterized by high chromium depletion and retanning effects.

REFERENCES:
patent: 3727689 (1973-04-01), Clampitt
patent: 3744969 (1973-07-01), Alps
patent: 4190687 (1980-02-01), Sugiura et al.
patent: 4314800 (1982-02-01), Monsheimer et al.
Chemical Abstracts, 100:176849f, Band 100, No. 22, May 1984, Columbus, Ohio.
Von H. Fikentscher, "Systematik der Cellulosen auf Grund ihrer Viskositaet in Loesung", Eing. 12, 11/1931.
Von H. Fikentscher, "Systematik der Cellulosen auf Grund ihrer Viskositaet in Loesung", Heft 3, 1932.

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