Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Plamen B. Atanassov0
Dmitri A. Brevnov0
Gabriel P. Lopez0
Marcos Barela0
Date of Patent
July 1, 2008
0Patent Application Number
109693410
Date Filed
October 21, 2004
0Patent Primary Examiner
Patent abstract
Anisotropic hydrophobic/hydrophilic nanoporous membranes and methods of forming anisotropic hydrophobic/hydrophilic nanoporous membranes are disclosed. The method of forming the nanoporous membrane includes growing a nanoporous oxide film on a substrate. A nanoporous membrane having a top side and a bottom side can then be formed by partially separating the nanoporous oxide film from the substrate. A fluorocarbon film can be deposited on the top side of the nanoporous membrane by plasma polymerization. The disclosed anisotropic hydrophobic/hydrophilic nanoporous membranes can have extremely different hydrophobicity between the top side and the bottom side of the nanoporous membrane.
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