Patents by Inventor Josef Polzer

Josef Polzer 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).

  • Stable emulsion suitable for pharmaceutical administration, the production thereof and emulsion for pharmaceutical use
    Patent number: 5496818
    Abstract: A stable active substance emulsion of the oil-in-water type with a phospholipid as emulsifier is described, where the active substance dissolved in the lipid phase has one or more basic groups, is hydrophobic and oil-soluble, and has a pKa of at least 7.5, the aqueous phase is set at an acid pH, and the disperse phase gives a positive zeta potential of at least +15, but preferably +30, mV after dilution of the emulsion ready for administration to a fat content of 0.08% by weight.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: March 5, 1996
    Assignee: Knoll Aktiengesellschaft
    Inventors: Karin Schaupp, Josef Polzer, Johannes Kerbl, Kurt Lanthaler, Stanley S. Davis, Clive Washington
  • Composition for destroying malignant tumors
    Patent number: 5006551
    Abstract: An agent having a destructive effect on malignant tumors and containing as active substances alpha-ketoglutaric acid and 5-hydroxymethylfurfural is described. The agent can be used in cancer therapy both in the form of an infusion solution and as a form for oral or rectal administration or as a douche or ointment.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: April 9, 1991
    Assignee: Leopold & Co., Chem. Pharm. Fabrik Aktiengesellschaft
    Inventors: Karl Groke, Hans Miggitsch, Horst Musil, Josef Polzer