Patents by Inventor Charles Kjellbotn

Charles Kjellbotn 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).

  • Treatment of tattoos by photodynamic therapy
    Publication number: 20050148567
    Abstract: The present invention relates to a photodynamic method of treating tattoos. The method comprises: (i) intradermally and/or locally delivering photosensitizer into tattooed target tissue; and (ii) irradiating the target tissue with activation energy at a wavelength appropriate to activate the photosensitizer. The present method causes the tattoo inks to fade or disappear completely. In preferred embodiments the tattoo will fade by at least 25%, more preferably at least 50%, even more preferably at least 75%.
    Type: Application
    Filed: August 20, 2004
    Publication date: July 7, 2005
    Inventors: Charles Kjellbotn, Philippe Maria Margaron, Patricia McNicol, John North