Patents by Inventor Norman Nevill Durham

Norman Nevill Durham 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).

  • Azasteroids compounds and derivatives
    Patent number: 3987055
    Abstract: Azasteroids and certain derivatives each of a five ring system containing at least one aromatic nucleus and at least one nitrogen atom. The ring system is fused to a tetrahydrotetralin system or a tetrahydrophenanthrene system. The compounds have solubility in water and disclose antimicrobial, antifertility and potentiate the activity of antibiotics and certain anticancer agents.
    Type: Grant
    Filed: September 11, 1974
    Date of Patent: October 19, 1976
    Assignee: The Board of Regents for the Oklahoma Agricultural & Mechanical Colleges acting for and on behalf of Oklahoma State University of Agriculture and Applied Science
    Inventors: Kenneth Darrell Berlin, Norman Nevill Durham, Claude Desjardins