Patents by Inventor Steffan Panzner

Steffan Panzner 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).

  • Sterol derivatives, liposomes comprising sterol derivatives and method for loading liposomes with active substances
    Publication number: 20040131666
    Abstract: Disclosed is a sterol derivative having a pKa value of 3.5-8 according to the general formula cation-spacer 2-Y-spacer 1-X-sterol, wherein Y and X represent bonding groups. The invention also relates to liposomes containing said sterol derivatives.
    Type: Application
    Filed: February 11, 2004
    Publication date: July 8, 2004
    Inventors: Steffan Panzner, Gerold Endert, Stefan Fankhnel, Anja Behrens
  • Amphoteric sterols and the use thereof
    Publication number: 20040120997
    Abstract: The invention relates to a sterol skeleton based compound wherein one or several amphoteric groups with an isoelectric point of between 4 and 9 are substituted on the 3rd position of the ring system, in addition to liposomes containing said compounds.
    Type: Application
    Filed: February 11, 2004
    Publication date: June 24, 2004
    Inventors: Steffan Panzner, Gerold Endert, Stefan Fankhnel, Nasr El-Mokdad