FILTER ELEMENT FOR MOUTHPIECES, MOUTHPIECE FOR USE IN SMOKING PRODUCTS OR HNB PRODUCTS, AND CIGARETTE FILTER

Abstract: a filter element for mouthpieces for use with smoking or hnb products can include a filter body made of a tow material formed by a plurality of individual threads of cross-linked and crimped cellulose acetate filaments having a multilobal, polygonal or y-shaped cross-sectional geometry. the cellulose acetate filaments of the tow material have a uniform filament titre, which can be predetermined or predefinable, in a range of less than or equal to 10 denier (11.1 dtex) and greater than or equal to 5 denier (5.5 dtex); and a specific fibre weight of less less than or equal to 2.5 mg per mm of filter element length and greater than or equal to 1.0 mg per mm of filter element length. the tow material has a total titre in a range of less than or equal to 10,000 denier (11.1 kdtex) and greater than or equal to 5,000 denier (5,555.5 dtex).

Inventor(s): Eckart Schütz, Uwe Schäffner, Martin Moser

CPC Classification: A24D3/10 (of cellulose or cellulose derivatives)

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