METHOD FOR PRODUCING OF AROMATIZED EXPANDED TOBACCO VEIN Russian patent published in 2006 - IPC A24B3/18 

FIELD: production of smoking tobacco articles.

SUBSTANCE: method involves extracting cacao bean husks with the use of liquid carbon dioxide and separating miscella; using miscella for impregnation and expanding of moistened tobacco vein by increasing pressure, reducing pressure to atmospheric pressure value at reduction rate providing freezing of carbon dioxide absorbed as part of miscella, and heating at heating rate providing dry distillation of carbon dioxide.

EFFECT: increased efficiency in producing of aromatized smoking article having reduced resin and nicotine content without deterioration of its organoleptical properties.