METHOD OF TREATING FUR SKINS Russian patent published in 2000 - IPC

FIELD: fur industry. SUBSTANCE: invention can be used when treating roll-mode preserved fur skins, in particular, mink skins. Process includes reversing skins skin tissue upward, soaking with aqueous composition containing sodium chloride, pickling, shaving, and aldehyde tannage (with 3-5 g/l of 20% solution of glyoxal). When performing soaking, in the beginning of treatment and 11-14 hr later, complex preparation based on oxygen-containing terpenes with general formula C₁₀H₁₆O is added in amounts 3-5 and 0.5-1.0 g/l, respectively, and soaking is carried out simultaneously with pickling and tannage for 15-19.5 hr. Sodium chloride is added in two steps by equal portions: in the beginning of treatment and 7-8 hr later. According to invention, skin reversing is performed after tannage and is followed by shaving. EFFECT: specified technology and decreased mass of finished fur skin (by 15-20%). 2 cl, 2 tbl, 5 ex