Air cleaning filter
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Jan 22, 1999
filing date -
Jul 25, 1996
priority date (Note) -
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Abstract
An air purifying filter having an enzyme immobilized on the surface of a carrier is capable of direct killing or otherwise control of air-borne microorganisms which have been difficult to control by means of the conventional air purifying filters; and the filter is also capable of removing the retained microorganisms by killing or otherwise controlling them.
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