Patents by Inventor Thornton W. Sargent, III

Thornton W. Sargent, III 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).

  • Rapid brain scanning radiopharmaceutical
    Patent number: 4647446
    Abstract: A method for detecting the blood flow in animals, particularly in the brain, is provided wherein a detectable amount of a novel radioactive compound of the formula I is administered to one animal: ##STR1## wherein R.sub.1 and R.sub.2 are independently alkyl of 1 to 6 carbon atoms or benzyl;R.sub.3 is alkyl of 1 to 6 carbon atoms, benzyl, cyclopropylalkyl of 4 to 6 carbon atoms, or cyanoalkyl of 2 to 6 carbon atoms;R.sub.4 is hydrogen, benzyl or alkyl of 1 to 6 carbon atoms;with the provisos that R.sub.4 is not isopropyl and when R.sub.4 is methyl, R.sub.3 is not benzyl;and X is a radioactive halogen.
    Type: Grant
    Filed: May 9, 1985
    Date of Patent: March 3, 1987
    Assignee: The Regents of the University of California
    Inventors: Thornton W. Sargent, III, Alexander T. Shulgin, Chester A. Mathis