Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenichi Yokota0
Date of Patent
October 28, 2008
0Patent Application Number
110349160
Date Filed
January 14, 2005
0Patent Primary Examiner
Patent abstract
Oil adsorbent layers 4 and packed layers 5 are alternately laminated inside a treatment vessel 2, the oil adsorbent layers 4 comprise ten laminated flat sheets 4a composed of polypropylene, and gelled aluminum hydroxide 15 is evenly applied over the surface of each of these sheets 4a on the laminated side. These flat sheets 4a are lipophilic and hydrophobic.
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