Filtering medium, method for making same
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United States of America Patent
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Oct 9, 2007
Grant Date -
Aug 14, 2003
app pub date -
Feb 12, 2003
filing date -
Aug 14, 2000
priority date (Note) -
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Abstract
The invention concerns a filtering medium based on a photocatalytic agent and activated carbon, characterized in that it comprises a permeable support covered with a first layer based on activated carbon, then a separate second layer based on a photocatalytic agent, or vice versa. The invention also concerns a method for making such a filtering medium.
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