Patents by Inventor John A. Hubball

John A. Hubball 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).

  • Fused silica capillary column
    Patent number: 4509964
    Abstract: A gas chromatographic column comprising synthetic fused silica tubing irradiated in its raw state with gamma radiation of pre-selected dosage and dosage rate. The column further comprises a stationary phase coating of cyano-silicone immobilized and stabilized by cross-linking in situ by means of further irradiation by gamma radiation.
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: April 9, 1985
    Assignee: The Foxboro Company
    Inventors: John A. Hubball, Eugene F. Barry