FILTER ELEMENT FOR MOUTHPIECES FOR USE WITH SMOKING PRODUCTS OR HNB PRODUCTS
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Sep 21, 2022
filing date -
Sep 21, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a filter element for mouthpieces for use in smoking products or HNB products. The filter material has a filter main part from a tow material, the tow material being formed by a plurality of individual threads from cross-linked and crimped cellulose acetate filaments. The cellulose acetate filaments have a particularly polygonal and preferably Y-shaped cross-sectional geometry, and the tow material has a mass specific surface area of less than 0.15 m2/g, more particularly less than 0.3 m2/g, and more than 0.025 m2/g.
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