BIODEGRADABLE CIGARETTE FILTER TOW AND METHOD OF MANUFACTURE
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United States of America Patent
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Sep 9, 2015
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May 23, 2014
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Abstract
A biodegradable cigarette filter tow includes a mixture of at least two or more natural materials selected from the group consisting of hemp fiber, flax fiber, abaca fiber or pulp, sisal fiber or pulp, wood pulp, and cotton fiber or cotton flock. The mixture may also include regenerated cellulose fibers. The mixture may include a natural binder or may be hydroentangled.
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