Filter for Cigarettes Made with Biological Material
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Oct 17, 2020
filing date -
Oct 30, 2019
priority date (Note) -
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Abstract
Filter for cigarettes made with biological material including a through separation structure (2) suitable for being coupled with a common paper for the production of cigarettes, the separation structure (2) forms compartments (3) suitable for the passage and filtration of the smoke, where this separation structure (2) is made of vegetable flour paste.
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