Patents by Inventor Guenter Cordes

Guenter Cordes 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).

  • PLASTER CONTAINING FENTANYL
    Publication number: 20160158161
    Abstract: A process for producing an adhesive matrix for a transdermal therapeutic system comprising a cover layer, the adhesive matrix, and a removable protective layer. The process includes providing a solution comprising polybutyl titanate dissolved in heptane:ethyl alcohol, providing an acrylate copolymer consisting of units of 2-ethylhexyl acrylate, methacrylate and 2-hydroxyethyl acrylate, adding the solution to the acrylate copolymer to obtain a mixture, and adding fentanyl as an active ingredient to the mixture to obtain the adhesive matrix.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Applicant: TESA LABTEC GMBH
    Inventors: Guenter CORDES, Ulrike VOLLMER
  • Plaster containing fentanyl
    Publication number: 20060039960
    Abstract: The invention relates to a transdermal, therapeutic system comprising a coating layer and an adhesive matrix having a fentanyl content.
    Type: Application
    Filed: May 20, 2003
    Publication date: February 23, 2006
    Inventors: Günter Cordes, Ulrike Vollmer
  • Transdermal hormone patch
    Patent number: 5985311
    Abstract: A transdermal therapeutic system (TTS) which contains as the active ingredients an oestrogen and a gestagen or a gestagen or androgen as well as an acrylate adhesive and, as resorption promoters, the two substances oleic acid and 2-(2-ethoxyethoxy)ethanol.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: November 16, 1999
    Assignee: Labtec Gesellschaft fuer techologische Forschung und Entwicklung mbH
    Inventors: Guenter Cordes, Martin Siegmund