Patents by Inventor Josef-Peter Löhr

Josef-Peter Löhr 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).

  • Aqueous liposome system and a method for the preparation of such a liposome system
    Patent number: 6663885
    Abstract: An aqueous liposome system comprises at least one phospholipid, a non-phospholipidic substance which is a bile acid or derivative thereof, and, optionally, a non-toxic organic solvent. The mass ratio of phospholipid to the non-phospholidic substance is in the range between 1:0.001 and 1:0.1. The diameter of the liposomes formed in this liposome system is in the range between 35 and 90 nm. The liposome system is stable over large periods of time, e.g., several months or years, and is highly transparent. The liposomes may be loaded with a pharmaceutically active ingredient.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: December 16, 2003
    Assignee: A. Natterman & Cie GmbH
    Inventors: Jörg-Christian Hager, Josef-Peter Löhr, Manfred Dürr