Patents by Inventor Stephanie Kaehler

Stephanie Kaehler 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).

  • Patent number: 6063399
    Abstract: An adhesive binder for dermal or transdermal therapy systems consists of the following components:(a1) 55-99.9 wt. % of a (meth)acrylate copolymer of a structural (meth)acrylate or a functional (meth)acrylate monomer, wherein the functional monomer has a tertiary or quaternary amino group,(a2) 0.1-45 wt. % of an acid group-containing acrylate or (meth)acrylate polymer or copolymer, and(b) 25-80 wt. % of a plasticizer, based on the sum of (a1) and (a2).
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: May 16, 2000
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Manfred Assmus, Thomas Beckert, Guenter Bergmann, Stephanie Kaehler, Hans-Ulrich Petereit
  • Patent number: 5993849
    Abstract: The invention relates to an adhesive and binder for dermal or transdermal therapy systems, that includes (a) 85-99.9 weight % of (meth)acrylate copolymer of structural and functional monomers, where the functional monomers have tertiary or quaternary amino groups, (b) 0.1-15 weight % of an organic dicarboxylic or tricarboxylic acid, and (c) 40-70 weight %, relative to the total of (a) and (b), of a plasticizer.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: November 30, 1999
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Manfred Assmus, Thomas Beckert, Guenter Bergmann, Stephanie Kaehler, Hans-Ulrich Petereit