METHOD FOR PRODUCING OF AROMATIZED EXPANDED TOBACCO VEIN Russian patent published in 2007 - IPC A24B3/12 

FIELD: process for increasing volume and enhancing aroma of tobacco vein.

SUBSTANCE: method involves extracting mixture of Jamaica pepper and lime flowers using liquid carbon dioxide; separating miscella for impregnating of moistened tobacco vein 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.

EFFECT: provision for obtaining of whole product which may be used as part of mixes for tobacco smoking articles.