Patents Assigned to Photonamic GmbH & Co. KG
  • Transdermal therapeutic system for 5-aminolevulinic acid hydrochloride
    Patent number: 10307382
    Abstract: The invention relates to a transdermal therapeutic system, comprising a back layer that is impermeable to an active ingredient, a polymer matrix containing the active ingredient, and a protective layer that can be pulled off, wherein 5-aminolevulinic acid hydrochloride is used as the active ingredient and the basic polymer of the polymer matrix is an adhesive polyacrylate. Said transdermal therapeutic system is suitable for diagnosing and treating preliminary stages of skin cancer, such as actinic keratosis, and oncological skin diseases.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: June 4, 2019
    Assignee: Photonamic GmbH & Co. KG
    Inventors: Tobias Jung, Michael Horstmann, Gerd Hoffmann
  • Dermal application system for aminolevulinic acid-derivatives
    Patent number: 8465762
    Abstract: The invention relates to a dermal application system for aminolevulinic acid-derivatives, i.e. a pressure-sensitive matrix system containing a crystalline aminolevulinic acid derivative.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: June 18, 2013
    Assignee: Photonamic GmbH & Co. KG
    Inventors: Geoffrey Lee, Rolf-Markus Szeimies, Ulrich Kosciessa
  • Dermal application system for aminolaevulinic acid
    Patent number: 7951395
    Abstract: The invention relates to a dermal for aminolaevulinic acid, wherein a self-adhesive matrix system is used containing crystalline aminolaevulinic acids.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: May 31, 2011
    Assignee: Photonamic GmbH & Co. KG
    Inventors: Geoffrey Lee, Rolf-Markus Szeimies