Patents by Inventor Marion Kursawe

Marion Kursawe 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).

  • Process for the production of a transdermal therapeutic system comprising the active substance 17-.beta.-estradiol (anhydrous)
    Patent number: 5997897
    Abstract: This invention relates to a process for the production of a transdermal therapeutic system containing the active substance 17-.beta.-estradiol and optionally further active substances having a laminated structure positioned on a backing layer which is essentially impermeable to active substance and moisture, one or more matrix layers and optionally an adhesive layer, characterized in that at least one of the matrix layers or the adhesive layer contains anhydrous 17-.beta.-estradiol in crystalline form.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: December 7, 1999
    Assignee: LTS Lohmann Therapie-Systeme GmbH & Co. KG
    Inventors: Michael Horstmann, Marion Kursawe, Horst Dzekan
  • Transdermal therapeutic system comprising the active subtance 17-.beta.-Estradiol (Anhydrous)
    Patent number: 5827245
    Abstract: A transdermal therapeutic system containing the active substance 17-.beta.-estradiol and optionally further active substances has a laminated structure positioned on a backing layer which is essentially impermeable to active substance and moisture, at least one matrix layer and optionally an adhesive layer. The at least one matrix layer or the adhesive layer contains anhydrous 17-.beta.-estradiol in crystalline form.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: October 27, 1998
    Assignee: LTS Lohmann Therapie-Systeme GmbH & Co. KG
    Inventors: Michael Horstmann, Marion Kursawe, Horst Dzekan