Patents by Inventor Edward M. De Simone, III

Edward M. De Simone, 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).

  • Purification of taxanes and taxane mixtures using polyethyleneimine-bonded resins
    Patent number: 6956123
    Abstract: This invention is directed to a method for isolating and/or purifying one or more taxanes from materials comprising taxanes. In one embodiment, the method comprises the steps of: (a) treating a taxane containing material with an amino containing material attached to a solid matrix, such as a polyethyleneimine-bonded silica chromatographic resin; (b) eluting the desired taxane compound from the resin; and (c) recovering the eluted taxane compound.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: October 18, 2005
    Assignee: Natural Pharmaccuticals, Inc.
    Inventors: James H. Johnson, T. G. Sambandan, Barry J. Haad, Christopher D. Howe, Roland R. Franke, Brian A. Bucher, John S. Juchum, Rex T. Gallagher, Marc A. Plant, Edward M. De Simone, III, Dong S. Yang