METHOD FOR PRODUCING OF PUFFED TOBACCO VEIN Russian patent published in 2007 - IPC A24B5/00 A24B5/16 A24B15/24 

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

SUBSTANCE: method involves extracting mixture of fennel and geranium flowers using liquid carbon dioxide; separating miscella; moistening tobacco vein; impregnating moistened tobacco vein with the use of separated miscella and simultaneously increasing pressure; reducing pressure to atmospheric pressure value at rate providing freezing of carbon dioxide sucked into miscella; heating at rate providing subliming of carbon dioxide for obtaining of base product. Base product may be used as part of mix for tobacco smoking articles in an amount exceeding 30% because upon smoking it does not impart cellulose taste.

EFFECT: wider range of means for producing of aromatized tobacco vein having increased volume.