METHOD OF PRELIMINARILY TREATING FUR-SKINS Russian patent published in 1999 - IPC

FIELD: fur industry. SUBSTANCE: wet fur-skins are subjected to cleaning in sawdust on skin tissue, flattening, drying, rehydration, and cleaning dry skins on skin and hairs with intermediate hair-outward reversing of skins and caging. When performing cleaning of wet skins on wet tissue and dry ones on hair, complex preparation based on oxygen-containing cyclic terpenes with general formula C₁₀H₁₆O and 1:2 mixture of a special preparation with ethyl alcohol are added, respectively. Drying is conducted at 20-22 C. EFFECT: reduced treatment time by 29-50% and reduced number of skins with hair surface flaws by 30-40%. 2 tbl