US Patent 6923907 Separation column devices and fabrication methods
Patent 6923907 was granted and assigned to Nanostream on August, 2005 by the United States Patent and Trademark Office.
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Patent abstract
Pressure-driven microfluidic separation devices, such as may be used for performing high performance liquid chromatography, are provided. Multiple separation columns may be defined in a single device and packed with stationary phase material retained by porous frits. One or more splitters may be provided to distribute slurry and/or mobile phase among multiple separation columns. In one embodiment, separation devices are substantially planar and fabricated with multiple device layers. Systems and methods employing slurry for packing separation devices are also provided.
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Patent Inventor Names
Christoph D. Karp0
Jeffrey A. Koehler0
Joseph F. Covington0
Matthew M. Gregori0
Paren P. Patel0
Steven E. Hobbs0
Date of Patent
August 2, 2005
0Patent Application Number
103669850
Date Filed
February 13, 2003
0Patent Primary Examiner
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US Patent 6923907 Separation column devices and fabrication methods
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