Patents by Inventor Stefan Fankhanel

Stefan Fankhanel 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).

  • Amphoteric liposomes
    Patent number: 7780983
    Abstract: Amphoteric liposomes are proposed, which comprise positive and negative membrane-based or membrane-forming charge carriers as well as the use of these liposomes.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: August 24, 2010
    Assignee: Novosom AG
    Inventors: Steffen Panzner, Stefan Fankhänel, Frank Essler, Cornelia Panzner, Gerold Endert
  • STEROL DERIVATIVES, LIPOSOMES COMPRISING STEROL DERIVATIVES AND METHOD OF LOADING LIPOSOMES WITH ACTIVE SUBSTANCES
    Publication number: 20080113017
    Abstract: A sterol derivative with a pKa value of between 3.5 and 8, according to the general formula cation-spacer 2-Y-spacer 1-X-sterol, wherein Y and X represent linking groups, is suggested, as well as liposomes comprising such sterol derivatives.
    Type: Application
    Filed: November 2, 2007
    Publication date: May 15, 2008
    Applicant: NOVOSOM AG
    Inventors: STEFFEN PANZNER, Gerold Endert, Stefan Fankhanel, Anja Behrens
  • Amphoteric liposomes and their use
    Patent number: 7371404
    Abstract: Amphoteric liposomes are proposed, which comprise positive and negative membrane-based or membrane-forming charge carriers as well as the use of these liposomes.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: May 13, 2008
    Assignee: Novosom AG
    Inventors: Steffen Panzner, Stefan Fankhänel, Frank Essler, Cornelia Panzner
  • Sterol derivatives, liposomes comprising sterol derivatives and method for loading liposomes with active substances
    Patent number: 7312206
    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: Grant
    Filed: February 21, 2002
    Date of Patent: December 25, 2007
    Assignee: Novosom AG
    Inventors: Steffen Panzner, Gerold Endert, Stefan Fankhänel, Anja Behrens
  • Amphoteric liposomes
    Publication number: 20070269504
    Abstract: Amphoteric liposomes are proposed, which comprise positive and negative membrane-based or membrane-forming charge carriers as well as the use of these liposomes.
    Type: Application
    Filed: October 31, 2006
    Publication date: November 22, 2007
    Inventors: Steffen Panzner, Stefan Fankhanel, Frank Essler, Cornelia Panzner
  • Amphoteric liposomes
    Publication number: 20070252295
    Abstract: Amphoteric liposomes are proposed, which comprise positive and negative membrane-based or membrane-forming charge carriers as well as the use of these liposomes.
    Type: Application
    Filed: October 31, 2006
    Publication date: November 1, 2007
    Inventors: Steffen Panzner, Stefan Fankhanel, Frank Essler, Cornelia Panzner
  • Amphoteric liposomes and their use
    Publication number: 20030099697
    Abstract: Amphoteric liposomes are proposed, which comprise positive and negative membrane-based or membrane-forming charge carriers as well as the use of these liposomes.
    Type: Application
    Filed: February 21, 2002
    Publication date: May 29, 2003
    Applicant: novosom AG
    Inventors: Steffen Panzner, Stefan Fankhanel, Frank Essler, Cornelia Panzner