Patents by Inventor Dieter Beutner

Dieter Beutner 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).

  • Nitroglycerine plaster and process for its production
    Patent number: 5498418
    Abstract: The invention relates to a dermal plaster for the transdermal provision of nitroglycerin comprising a carrier film and a removable protective film and an adhesive mass containing nitroglycerine on the basis of a cross-linked acrylate-vinyl acetate copolymer in which the monomer mix used for polymerization consists essentially of 21 to 40% wt. vinyl acetate, 55 to 70% wt. of an acrylic acid C2-8 alkyl ester and 3 to 10% wt. of an acrylic acid C2-4 hydroxyalkyl ester and which is cross-linked by heating and the removal of any solvents present after the addition of a cross-linking agent and the nitroglycerin.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: March 12, 1996
    Assignees: Schwarz Pharma AG, LTS Lohmann Therapie-Systemme GmbH & Co. KG
    Inventors: Dieter Beutner, Henning von Knobelsdorff, Hans-Michael Wolff, Rainer Hoffmann, Reinhold Meconi, Robert P. Klein