Patents by Inventor Charles Heritage Dilks, Jr.

Charles Heritage Dilks, Jr. 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).

  • Chromatographic liquid dispensing inlet and method
    Patent number: T959004
    Abstract: The chromatographic separation efficiency of a sample liquid injected into a resolving zone and eluted through the resolving zone with a liquid carrier or mobile phase is improved if the sample is injected at a point located centrally on the inlet end of the resolving zone and the eluting carrier liquid is applied uniformly across substantially the entire inlet end of the resolving zone surrounding the sample injection point.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: June 7, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Joseph Jack Kirkland, Charles Heritage Dilks, Jr.