TOBACCO EXTRACT PRODUCTION METHOD Russian patent published in 2020 - IPC A24B15/24 

FIELD: smoking accessories.

SUBSTANCE: invention offers a tobacco extract production method, providing (a) contacting tobacco with solvent for extraction in first chamber so that tobacco components are extracted from tobacco into solvent for extraction, wherein solvent for extraction is supercritical fluid in first chamber; (b) passing a solvent for extraction containing tobacco components through a pipeline to a second chamber, wherein the pipeline has a valve, and conditions at the outlet of the valve are such that the solvent for extraction is subcritical; and (c) pumping entrapping solvent into the stream below the valve, wherein the tobacco components are released from the solvent for extraction as a result of transition to subcritical conditions and are dissolved in the trapping solvent, wherein tobacco components dissolved in an entrapping solvent are collected in a second chamber.

EFFECT: disclosed is a method for producing tobacco extract.

13 cl