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Stationary phase deposition based on onium salts

United States Patent

January 1, 2008
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
Onium salt chemistry can be used to deposit very uniform thickness stationary phases on the wall of a gas chromatography column. In particular, the stationary phase can be bonded to non-silicon based columns, especially microfabricated metal columns. Non-silicon microfabricated columns may be manufactured and processed at a fraction of the cost of silicon-based columns. In addition, the method can be used to phase-coat conventional capillary columns or silicon-based microfabricated columns.
Wheeler; David R. (Albuquerque, NM), Lewis; Patrick R. (Albuquerque, NM), Dirk; Shawn M. (Albuquerque, NM), Trudell; Daniel E. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
11/ 156,975
June 20, 2005
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.