Patents Assigned to Supelco
  • Deactivated capillary columns for use in capillary electrophoresis
    Patent number: 5192406
    Abstract: The walls of fused-silica capillary columns used for capillary zone electrophoresis and micellar electrokinetic capillary chromatography may be deactivated with polysiloxanes, polysilazanes and other silicone polymers to permit more effective separations without eliminating electro-osmotic flow within the columns.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: March 9, 1993
    Assignee: Supelco
    Inventor: Cole L. Woolley