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, hair-outward reversing of skins, cleaning in sawdust on hair, and caging. Hair-outward reversing of skins, cleaning on hair, and caging are carried out in wet state after cleaning on skin tissue. When performing cleaning on skin tissue and cleaning on hair, complex preparation based on oxygen-containing cyclic terpenes with general formula C₁₀H₁₆O and a special preparation are added, respectively. Prior to be flattened, skins are reversed on skin tissue. EFFECT: reduced treatment time by 60-70% and reduced shrinkage of skin tissue by 4-5%. 2 tbl