Patents by Inventor Ilona Kahan nee Laszlo

Ilona Kahan nee Laszlo 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: 4418060
    Abstract: Tri-tetracyclines are complexes of tetracyclines with an amino compound containing per molecule at least a tris (hydroxyalkyl) group and at least a primary or secondary amino group in a molar excess in respect to the tetracycline compound. The complexes have high water solubility and are particularly useful for parenteral administration.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: November 29, 1983
    Assignee: Medimpex Gyogyszerkulkereskedelmi Vallalat
    Inventors: Ilona Kahan nee Laszlo, Helga Hammer, Ilona Beladi