Patent 7309426 was granted and assigned to Agilent Technologies on December, 2007 by the United States Patent and Trademark Office.
The invention provides novel compositions, columns and methods for improved chromatographic separations. In particular, novel column packings are provided to improve overall chromatographic separation and efficiency. The invention provides a packing material having particles or mixtures of particles that are used for separation of small molecules, proteins or nucleic acids.