Patents by Inventor Robert J. Dolphin

Robert J. Dolphin 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).

  • Detection apparatus, particularly for use in liquid chromatography
    Patent number: 4431919
    Abstract: A detection apparatus of a simple construction is formed from an electro-chemiluminescence cell (12) having connections for the supply and the discharge of a liquid to be examined, particularly a mobile phase coming from the separation column of a liquid chromatograph, a voltage source (11) and a detector (14) for electric current, which are connected to the electrodes (1, 2) of the cell (12). Preferably a radiation-sensitive element (13) is also provided.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: February 14, 1984
    Assignee: U.S. Philips Corporation
    Inventors: Heiner Kostlin, Manfred Peterek, Hartwig Schaper, Robert J. Dolphin, Frederick W. Willmott