METHOD FOR PROCESSING OF LEATHER WASTES INTO LEATHER POWDER Russian patent published in 1995 - IPC

Abstract RU 2041264 C1

FIELD: processing leather. SUBSTANCE: leather wastes are wetted in aqueous medium within 2-6 h, 0.5-3 mass of hydrolyzing agent being added. Salt of alkali metal is used as said hydrolyzing agent. Then drying at 130-150 C within 20-80 min and grinding are carried out. EFFECT: improves efficiency of the method. 1 tbl

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RU 2 041 264 C1

Authors

Samonin V.V.

Bogdanov Ju.V.

Dates

1995-08-09—Published

1993-03-01—Filed