Patents by Inventor Jurgen Christian Quandt

Jurgen Christian Quandt 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).

  • Self-adhesive matrix plaster containing an active ingredient and based on polyurethane gels
    Publication number: 20050100588
    Abstract: The present invention is a self-adhesive matrix patch for controlled delivery of active ingredients to the skin. The self-adhesive matrix patches comprises a polyurethane gel matrix, wherein the polyurethane gel matrix comprises at least one active ingredient and at least one penetration enhancer.
    Type: Application
    Filed: December 12, 2003
    Publication date: May 12, 2005
    Inventors: Holger Kartheus, Michael Schink, Jurgen-Christian Quandt, Peter Philipp
  • Adhesive sheet strip
    Patent number: 6866235
    Abstract: An adhesive sheet strip for a redetachable bond, removable from a joint by pulling in the direction of the bond plane, having a nonadhering grip tab and a subsequent single-sidedly or double-sidedly adhering strip, which comprises of: a) a backing composed of a film having a tensile strength of 2-20 N/cm and an elongation at break of 200-800%, and b) applied to at least one side thereof, a polyurethane-based adhesive comprising: 60-80% by weight of an aliphatic isocyanate/polyol crosslinking system, 15-35% by weight of a filler, and 0.05-0.20% by weight of an activator, based on the total weight of the adhesive.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: March 15, 2005
    Assignee: tesa Aktiengesellschaft
    Inventors: Dieter Zimmermann, Holger Kartheus, Jürgen Christian Quandt
  • Antimicrobial wound covering article
    Publication number: 20040202703
    Abstract: An antimicrobial polymeric composite for use in wound management products. The composite comprises a polymeric material which is suitable for prolonged direct contact with a wound. At least a part of the polymeric material is associated with a glass which comprises an antimicrobial element M, preferably silver. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: October 9, 2003
    Publication date: October 14, 2004
    Applicant: BEJERSDORF AG
    Inventors: Wolfgang Meyer-Ingold, Holger Kartheus, Michael Schink, Michael Bogdahn, Jurgen Christian Quandt, Christian Gade, Thorsten Berg, Jan Janichen
  • Production of multilayered thin plasters comprising a carrier material based on polyurethane
    Patent number: 6616793
    Abstract: A process for producing multilayered thin plasters with a carrier material based on polyurethane with the steps of applying at least one layer of uncured polyurethane to a transfer layer, applying an adhesive composition to a release layer, laminating the uncured polyurethane on the transfer layer and the adhesive composition on the release layer together using a doctor blade, passing the laminate through nip rolls downstream of the doctor blade, and rolled out the uncured polyurethane and adhesive composition to the ultimate thickness.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: September 9, 2003
    Assignee: Beiersdorf AG
    Inventors: Holger Kartheus, Andreas Beckmann, Jürgen Christian Quandt, Klaus Ruhnau, Günther Sachau, Thomas Möller
  • Use of detersive substances selected from the group of N-Acylamino acids and the salts of N-Acylamino acids for enhancing the compatibility of cosmetic or dermatological cleansing preparations
    Publication number: 20030054164
    Abstract: An adhesive sheet strip for a redetachable bond, removable from a joint by pulling in the direction of the bond plane, having a nonadhering grip tab and a subsequent single-sidedly or double-sidedly adhering strip, which comprises of:
    Type: Application
    Filed: March 15, 2002
    Publication date: March 20, 2003
    Applicant: tesa Aktiengesellschaft
    Inventors: Dieter Zimmermann, Holger Kartheus, Jurgen Christian Quandt
  • Production of multilayered thin plasters comprising a carrier material based on polyurethane
    Publication number: 20020104610
    Abstract: A process for producing multilayered thin plasters comprising a carrier material based on polyurethane comprises
    Type: Application
    Filed: September 20, 2001
    Publication date: August 8, 2002
    Inventors: Holger Kartheus, Andreas Beckmann, Jurgen Christian Quandt, Klaus Ruhnau, Gunther Sachau, Thomas Moller