Patents by Inventor Ronald T. Guliana

Ronald T. Guliana 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).

  • Quaternized siliceous supports for gel permeation chromatography
    Patent number: 4118316
    Abstract: Controlled porosity supports having a siliceous surface are treated with a silane compound followed by treatment with a quaternizing agent to introduce quaternary ammonium moieties on the beads which are used to perform molecular size separations on cationic polymers.
    Type: Grant
    Filed: October 13, 1976
    Date of Patent: October 3, 1978
    Assignee: Calgon Corporation
    Inventors: Charles P. Talley, Guy M. Bradley, Ronald T. Guliana