Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William K. Leonard0
Date of Patent
July 20, 2010
0Patent Application Number
124555770
Date Filed
June 3, 2009
0Patent Primary Examiner
Patent abstract
Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants from fluids are disclosed. In another form the method involves removal of electric charges or neutralization of charge on or within substrates. Also disclosed are methods of making using electret substrates and articles for removing particulates and mists from fluid streams.
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