Patents Assigned to Analtech, Incorporated
  • Large sample thin layer chromatography
    Patent number: 4348286
    Abstract: In thin layer chromatographic plates comprising adsorbent layers characterized by adsorptivity which increases from a first edge to the edge opposite, as, for example, in wedge layer plates, resolution is improved by development in the direction of increasing adsorptivity.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: September 7, 1982
    Assignee: Analtech, Incorporated
    Inventor: Herman R. Felton
  • Chromatography chamber
    Patent number: D270902
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: October 11, 1983
    Assignee: Analtech, Incorporated
    Inventor: Herman R. Felton