RAPIDLY DEGRADABLE FILTERS VIA ELECTRON IONIZATION
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United States of America Patent
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app pub date -
Jan 28, 2011
filing date -
Aug 8, 2006
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Abandoned
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Abstract
A method of forming a filter for a smoking article which includes exposing cellulose acetate fibers to an electron beam process, wherein electron beam process deacetylates the cellulose acetate fibers to render the cellulose acetate fibers water-permeable; and forming a cellulose acetate rod from a tow of the cellulose acetate fibers. Filter plugs of the cellulose acetate fibers are water-permeable and allow discarded filtered smoking articles to rapidly degrade and expose the components to the environment.
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