Patents by Inventor Stephan Zinzen

Stephan Zinzen 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).

  • Active substance-containing multi-layer film of hydrophilic polymers crosslinked in situ
    Patent number: 6780504
    Abstract: A multi-layered film which contains an active substance and which is made of film-forming polymers. The film comprises at least one covering layer, at least one layer containing the active substance, and an adhesive layer. A method and apparatus for producing such a multi-layered film and a preferred use as a transmucosal galenic formulation are also disclosed.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: August 24, 2004
    Assignee: Gruenenthal GmbH
    Inventors: Herbert Rupprecht, Stephan Zinzen
  • Active substance-containing multi-layer film of hydrophilic polymers crosslinked in situ
    Publication number: 20020142036
    Abstract: A multi-layered film which contains an active substance and which is made of film-forming polymers. The film comprises at least one covering layer, at least one layer containing the active substance, and an adhesive layer. A method and apparatus for producing such a multi-layered film and a preferred use as a transmucosal galenic formulation are also disclosed.
    Type: Application
    Filed: January 14, 2002
    Publication date: October 3, 2002
    Inventors: Herbert Rupprecht, Stephan Zinzen