METHOD FOR DYEING OF SEMI-FINISHED FUR ARTICLE WITH DISPERSED DYES Russian patent published in 2010 - IPC D06P3/30 D06P3/26 D06P1/94 

FIELD: personal use articles.

SUBSTANCE: method is described for dyeing of semi-finished fur article by dispersed dyes, including its treatment with dye in liquid medium, such as carbon dioxide in supercritical condition, produced in tight chamber at the pressure of 150-200 atmospheres and temperature of 40-60°C, where semi-finished fur article is placed in advance, as well as dye in amount of 0.2-0.25% of weight of treated semi-finished article. Duration of treatment is 50-60 minutes.

EFFECT: method makes it possible to eliminate preparatory processes of retanning and neutralisation, aqueous medium of treatment, drying of semi-finished fur article, using auxiliary materials and acids, reduces technological processes, provides for more sparing treatment.

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