Patents by Inventor Leslie T. Webster, Jr.

Leslie T. Webster, 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).

  • Immunosuppressive-1-(thiocarbamoyl)-2-imidazolidinone
    Patent number: 4168316
    Abstract: By isolation and purification from the urine of patients treated with niridazole there is obtained substantially pure 1-(thiocarbamoyl)-2-imidazolidinone which exhibits marked immunosuppressive activity.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: September 18, 1979
    Assignees: Northwestern University, Case Western Reserve University
    Inventors: Leslie T. Webster, Jr., Kenneth S. Warren