Patents by Inventor Robert Mark Guinn

Robert Mark Guinn 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).

  • Alatrofloxacin parenteral compositions
    Patent number: 6194429
    Abstract: The present invention relates to alatrofloxacin mesylate substantially free of less polar impurities, to parenteral compositions of alatrofloxacin mesylate and to processes for purifying alatrofloxacin mesylate.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: February 27, 2001
    Assignee: Pfizer Inc
    Inventors: Robert Mark Guinn, John Francis Lambert, Subramanian Sam Guhan, Stanley Walter Walinsky