Patents by Inventor Gerard Flesch

Gerard Flesch 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).

  • Pharmaceutical compositions comprising methanediphosphonic acid derivatives and macrocyclic polyethers
    Patent number: 5296475
    Abstract: The invention relates to pharmaceutical compositions for peroral administration comprising (a) pharmaceutically useful methanediphosphonic acid derivatives, e.g. those of formula I ##STR1## wherein R.sub.1 and R.sub.2 are as defined in the specification, or pharmaceutically acceptable salts thereof, (b) specific macrocyclic polyethers and optionally (c) pharmaceutically acceptable adjuvants. The pharmaceutical compositions are prepared in a manner known per se. A method of treating hypercalcemia and osteolytic bone metastases with these compositions is also disclosed herein.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: March 22, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Gerard Flesch, Jean-Marie Lehn