METHOD OF POSTTANNING LEATHER INTERMEDIATE PRODUCT Russian patent published in 1998 - IPC

Abstract RU 2102489 C1

FIELD: leather industry. SUBSTANCE: posttanning is effected using pyrocatechol or pyrogallol group extract mixed with extract obtained from buckwheat pod at 1:2 ratio and mixture intake 6.0-7.5% (on conversion to tannin) based on the weight of intermediate product. Operation is appropriate when preparing various-destination leathers. EFFECT: improved procedure. 1 tbl

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RU 2 102 489 C1

Authors

Chechenev L.A.

Bajandin V.V.

Klenovskaja N.V.

Zhivova Z.K.

Uvarova N.N.

Dates

1998-01-20—Published

1996-08-22—Filed