COATED PAPER FILTER
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United States of America Patent
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N/A
Issued Date -
Dec 6, 2012
app pub date -
May 31, 2011
filing date -
May 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A biodegradable paper substrate and/or biodegradable fiber (including fiber tow) may be coated with cellulose acetate and/or plasticized cellulose acetate for use in a filter material configured for application in a filter of a smoking article. Flocking and/or fibrillation methods may be used to deposit and/or generate a plurality of fibers that may protrude beyond a surface of the biodegradable substrate material. A filter made in accordance with this design may also include non-biodegradable material.
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