Pesci Dohanygyar

Pecsi Dohanygyar

Sandor Irimi

Istvan Rusznak

Lajos Trezl

Jozsef Gabor

Adam Molnar

Viktoria Horvath

Laszlo Toke

Istvan Bitter

Tibor Szarvas

Sandor Hernadi

The invention relates to a novel, highly efficient tobacco smoke filter provided with mechanically (fibrous) and/or adsorptively filtering materials as well as chemosorptively filtering components, which comprises a synergistic composition containing at least one of a compound having a high nucleophilic additivity, capable of chemically reacting and stable adduct forming with excited and ground-level aldehydes not filtered out by the mechanically and/or adsorptively filtering materials; and at least one of a compound containing ##STR1## enediol structural moieties, wherein the enediol type compound or its combination suitably amount to at least 50% by weight of the other chemosorptive components and 40 to 300% by weight of the adsorptively filtering materials.

Highly efficient tobacco smoke filter

A process for producing cigarette filters comprising a compound containing L-ascorbic acid and having the compound added to an adsorptional filter material in a quantity of 5-200% of the amount of said adsorptional filter.

Process for producing tobacco filter to adsorb materials harmful to

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Pecs, Hungary

Sandor Irimi