Patents by Inventor Gisela Witzel

Gisela Witzel 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).

  • Phosphate Adsorbent
    Publication number: 20120052135
    Abstract: Subject of the present invention are compositions comprising a mixture of calcium, magnesium and iron salts for use as a pharmaceutical preparation for adsorbing phosphate, especially for use as pharmaceutical preparations for the treatment of hyperphosphataemia, chronic kidney deficiency as well as for the treatment of haemodialysis patients.
    Type: Application
    Filed: March 1, 2010
    Publication date: March 1, 2012
    Applicant: VIFOR (INTERNATIONAL) AG
    Inventors: Gisela Witzel, Peter O. Geisser, Erik Philipp