FILTER CIGARETTE Russian patent published in 1998 - IPC

FIELD: filter cigarettes. SUBSTANCE: filter cigarette contains rod of tobacco material enclosed in combustible envelope, and filter connected to end of the rod. Filter is multicomponent and includes a component contained activated carbon, and at least one component with fibrous filtering material based on cellulose. Filter on cigarette has level of ventilation at least 50%, and cigarette with this filter exhales not more than 5% of resins according to standard procedure of smoke analysis. EFFECT: exhalation at smoking of less unfavorable substances inhaled by smoker. 8 cl, 3 dwg , 2 tbl