Process for making chrome tanned leathers

Details Process for making chrome tanned leathers Process for making chrome tanned leathers

2006-06-20

2006-06-20

Gupta, Yogendra N. (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

C008S094270

Reexamination Certificate

active

07063728

ABSTRACT:
The present invention provides an improved pickling and bating free process suitable for both hides and skins for making chrome tanned leathers by using a mixture of conventional chrome tanning salt and alkali metal salt is used at a pH in the range of 5–5.5.

REFERENCES:
patent: 4126413 (1978-11-01), Traubel et al.

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