Patents by Inventor Steven G. Spanton

Steven G. Spanton 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).

  • Crystal form I of clarithromycin
    Patent number: 5858986
    Abstract: The present invention concerns the novel antiobiotic 6-O-methylerythromycin A crystal form I, a process for its preparation, pharmaceutical compositions comprising this compound and a method of use as a therapeutic agent.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: January 12, 1999
    Assignee: Abbott Laboratories
    Inventors: Jih-Hua Liu, David A. Riley, Steven G. Spanton