Patents by Inventor Martin Raymond Jefson

Martin Raymond Jefson 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).

  • Hygromycin derivatives
    Patent number: 6313100
    Abstract: This invention relates to compounds of the formula and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein R1 and R2 are as defined herein. The compounds of formula 1 are antibacterial and antiprotozoal agents that may be used to treat various bacterial and protozoal infections and disorders related to such infections. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of treating bacterial and protozoal infections by administering the compounds of formula 1.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: November 6, 2001
    Assignee: Pfizer Inc
    Inventors: Katherine Elizabeth Brighty, Subramanian Sam Guhan, Martin Raymond Jefson, Robert Gerald Linde, III, Ellen Lester McCormick