Patents by Inventor Herman R. Felton

Herman R. Felton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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