Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William R. Even, Jr.0
Leroy Whinnery, Jr.0
Timothy J. Shepodd0
Date of Patent
February 10, 2009
0Patent Application Number
109691340
Date Filed
October 19, 2004
0Patent Primary Examiner
Patent abstract
A polymer material useful as the porous dielectric medium for microfluidic devices generally and electrokinetic pumps in particular. The polymer material is produced from an inverse (water-in-oil) emulsion that creates a 3-dimensional network characterized by small pores and high internal volume, characteristics that are particularly desirable for the dielectric medium for electrokinetic pumps. Further, the material can be cast-to-shape inside a microchannel. The use of bifunctional monomers provides for charge density within the polymer structure sufficient to support electroosmotic flow. The 3-dimensional polymeric material can also be covalently bound to the channel walls thereby making it suitable for high-pressure applications.
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