Patents by Inventor Hans Peter Ghilardi

Hans Peter Ghilardi 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: 4020162
    Abstract: The present invention relates to an aqueous oxytetracycline solution for parenteral, peroral and local administration, which contains, in addition to the active substance present as base or as salt, polyethylene glycol having a mean molecular weight of 300 to 600, a soluble magnesium salt, a base, preservatives and a buffer system, and to a process for producing this solution.
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: April 26, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Peter Ghilardi, Kaya Atasoy