METHOD OF TREATMENT OF RAW FUR MATERIAL Russian patent published in 2000 - IPC

FIELD: light industry; applicable in chemical treatment of sheepskin and furskin materials. SUBSTANCE: Furskin is subjected to soaking, pickling in presence of organic acid and sodium chloride, and tannage. Soaking and/or pickling of furskin is carried out in solution of modified biopolymer dispersion containing azeotropic mixture of 1 M aqueous solution of carboxylic acid and furfural as dispersion medium, and collagen-containing material as dispersed phase. EFFECT: reduced duration of liquid treatment and higher quality of leather material and hair coat of fur intermediate. 2 cl, 1 tbl