Patents by Inventor Michael S. Alexander

Michael S. Alexander 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).

  • Stable isotope labeling of paclitaxel
    Patent number: 6358996
    Abstract: A chemical compound comprising an isotopically labeled analog of a standard taxane molecule, wherein said isotopically labeled analog is synthetically formed to have incorporated therein at a selected position a stable isotope of an element existing at said selected positon in said standard taxane molecule, said isotope having amass different form a mass of a mass of a most abundantly occurring isotope of said element in nature, such that said isotopically labeled analog has a molecular weight different form a molecular weight of said standard taxane molecule.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: March 19, 2002
    Assignee: NaPro BioTherapeutics, Inc.
    Inventors: Michael S. Alexander, James D. McChesney, Jan Zygmunt