Patents by Inventor Oswald Rottmann

Oswald Rottmann 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).

  • Liposomes, method of preparing the same and use thereof in the preparation of drugs
    Patent number: 5853753
    Abstract: The present invention relates to liposomes which can be obtained by mixing bilayer-forming lipids containing, at least in part, unsaturated fatty-acid chains, with an aqueous solution of bile acid and/or at least one derivative thereof and supplying mechanical energy, wherein before mixing, the lipids are present either as such or dissolved in water-miscible solvent. The invention further relates to a method of preparing such liposomes and their use in the preparation of drugs.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: December 29, 1998
    Assignee: Dianorm G. Maierhofer GmbH
    Inventors: Gunther Maierhofer, Paul Hofer, Oswald Rottmann