METHOD FOR PRODUCING OF AROMATIZED EXPANDED TOBACCO VEIN Russian patent published in 2007 - IPC A24B5/16 

FIELD: process for increasing volume and aromatizing of tobacco vein.

SUBSTANCE: method involves extracting mixture of allspice and jasmine flowers using liquid carbon dioxide; separating miscella; moistening tobacco vein and impregnating with the use of separated miscella; simultaneously increasing pressure in reservoir containing tobacco vein and miscella; reducing pressure to atmospheric pressure value at rate providing freezing of carbon dioxide sucked in miscella; heating at rate providing subliming of carbon dioxide to obtain base product.

EFFECT: provision for producing of light-type tobacco articles.