Patents by Inventor Otokar Zak

Otokar Zak 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).

  • Patent number: 4263280
    Abstract: The invention relates to new synergistic mixtures which contain, as active components, the antibiotic cefsulodin sodium and a second known antibiotic selected from the group comprising the .beta.-lactamase inhibitors, penicillins, cephalosporins or aminoglycosides, pharmaceutical preparations containing said mixtures and a process for their manufacture, and to the use of these preparations for combating infections.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: April 21, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Friedrich Kradolfer, Otokar Zak