Filter material and method of making same
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United States of America Patent
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Apr 12, 2005
Grant Date -
Jul 15, 2004
app pub date -
Jan 13, 2003
filing date -
Jan 13, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Non-shedding light duty fibrous filter material containing activated carbon and/or other sorbtive granules is disclosed having a thickness of 1/8 inch to 3/8 inch and composed entirely of low melt fibers of 4 to 15 denier. Heavy duty filter material, also of a non-shedding clean character, is of 3/4 to 1 inch thickness and comprises a mixture of 70% structural fibers and 30% low melt fibers.
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