Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Karmin Lorraine Olson0
Alan Smithies0
Date of Patent
February 23, 2010
0Patent Application Number
112414300
Date Filed
September 30, 2005
0Patent Primary Examiner
Patent abstract
A composite article includes a base material and a porous membrane laminated with the base material. The porous membrane has hydrophobic properties and includes at least one of expanded polytetrafluoroethylene, woven polytetrafluoroethylene, and non woven polytetrafluoroethylene. A coating layer is formed on at least a portion of the porous membrane. The coating layer has hydrophilic properties and includes at least one of an organofunctional siloxane and a polyether urethane polymer.
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