Patents by Inventor H. Eugene Gracey

H. Eugene Gracey 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).

  • 6-O-alkyl derivatives of erythronolide B
    Patent number: 5919916
    Abstract: Novel 6-O-alkyl derivatives of erythronolide B are provided. A process for the preparation of 6-O-alkyl derivatives of erythronolide B using erythromycin B is also provided. A process for preparing 6-O-alkyl derivatives of erythromycin C using novel 6-O-alkyl derivatives of erythronolide B is further provided.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: July 6, 1999
    Assignee: Abbott Laboratories
    Inventors: H. Eugene Gracey, Stephen H. Montgomery, David A. Riley, Jih-Hua Liu