SPUN PRODUCTS OF ACETATE CELLULOSE, FILTER BUNDLE FROM FIBROUS MATERIAL, METHOD OF PRODUCTION OF TOBACCO SMOKE FILTER ELEMENT FROM FILTER BUNDLE, TOBACCO SMOKE FILTER ELEMENT Russian patent published in 1997 - IPC

FIELD: spindle products of acetate cellulose having additive inside the products, or on their surfaces. SUBSTANCE: additive consists of nitrogen-containing organic compounds, whose decomposition by microorganisms results in formation of basic products of decomposition, particular, ammonia and/or basic compounds which contain one NH group or NH groups and/or one NH₂ group or NH₂ groups. Products may be in form of filaments, staple fibers, films, foil, plates or some others. Spun products filter bundle tobacco smoke filter element possesss improved biological decomposition abilities under the effect of environment. Tobacco smoke filtering material and filter element may be stored in common conditions with no hazard of microbiological decomposition. EFFECT: higher efficiency. 16 cl, 1 tbl