Patents by Inventor Robert John Rafka

Robert John Rafka 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).

  • Macrolide derivatives
    Patent number: 6100240
    Abstract: The invention relates to compounds of the formula I ##STR1## and to pharmaceutically acceptable salts thereof, wherein R.sup.1, R.sup.2, R.sup.3, Q, X, Y and Z are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formula I, methods of using said compounds of formula I in the treatment of infections, and methods of preparing said compounds of formula I.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: August 8, 2000
    Assignee: Pfizer Inc
    Inventors: Hengmiao Cheng, Robert John Rafka, Jason K. Dutra, Michael A. Letavic, Brian S. Bronk