Patents by Inventor Mary J. Helenek

Mary J. Helenek 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).

  • Iron dextran formulations
    Patent number: 5624668
    Abstract: Ferric oxyhydroxide-dextran compositions for treating iron deficiency having ellipsoidal particles with a preferred molecular weight range of about 250,000 to 300,000 daltons.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: April 29, 1997
    Assignee: Luitpold Pharmaceuticals, Inc.
    Inventors: Richard P. Lawrence, Ralf A. Lange, Chin Wu, Mary J. Helenek