using fatty or oily materials, e.g. fat liquoring

Full Title

Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes > using fatty or oily materials, e.g. fat liquoring

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

SKINS; HIDES; PELTS OR LEATHER

Subclass:

TREATING SKINS, HIDES OR LEATHER WITH CHEMICALS, ENZYMES OR MICROORGANISMS, e.g. TANNING, IMPREGNATING OR FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING