Process for producing chrome leather

Details Process for producing chrome leather Process for producing chrome leather

1992-09-09

1994-08-23

Niebling, John

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

8 9427, C14C 100, C14C 108

Patent

active

053403657

ABSTRACT:
In the production of chrome leather, a pretreatment of delimed and bated pelts with condensation products not having a tanning action leads to substrates which, without any problems, can be mechanically dewatered and shaved or split and shaved.
The properties of the leathers produced therefrom by chrome tanning do not differ from those of leathers which have been conventionally chrome-tanned and shaved.

REFERENCES:
patent: 3519378 (1970-07-01), Luck et al.
patent: 3906037 (1975-09-01), Schade et al.
patent: 4060384 (1977-11-01), Siegler
patent: 4963156 (1990-10-01), Hinley
Hodder et al., Practical Leather Processing Using the Novel Pretan Concept II. Results of Tannery Trials on Side Upper Leather, JALCA, vol. 79, 1984 (pp. 7-8).
J. J. Hodder, JALCA, 1984, pp. 6-15.
William C. Prentiss, The Leather Manufacturer, Dec. 1987, pp. 9-16.
JALCA, vol. 78, (no month) 1983, p. 174.
LIRI Research Bull. No. 894, Apr. 1985.
Marcel Siegler, JALCA, Sep. 1979, pp. 288-300.
Abstract of Japanese Patent JP 91/177500, Week 9137, Jan. 8, 1991.
Cynthia Lyndsey, Leather, Jun. 1986, pp. 41 & 43.

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