Patents by Inventor Frederick Burkhardt

Frederick Burkhardt 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).

  • Cyclic peptide antifungal agents and process for preparation thereof
    Publication number: 20050181984
    Abstract: Provided are compounds of the formula (1): wherein R? is hydrogen, methyl or NH2C(O)CH2—; R? and R?? are independently methyl or hydrogen; R adn Ry are independently hydroxy or hydrogen; R1 is hydroxy, hydrogen, or hydroxysulfonyloxy; R7 is hydroxy, hydrogen, hydroxysulfonyloxy or phosphonooxy; R2 is a novel acyl side chain. Also provided are novel formulations, methods of inhibiting fungal and parasitic activity, and a process for preparing dideoxy (R?H) forms of the compounds.
    Type: Application
    Filed: March 10, 2005
    Publication date: August 18, 2005
    Inventors: Frederick Burkhardt, Manuel Debono, Jeffrey Nissen, William Turner