Patents by Inventor Andreas Witschnigg

Andreas Witschnigg 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).

  • HORMONAL CONTRACEPTION USING A VAGINAL RING WHICH RELEASES ESTRIOL
    Publication number: 20190328657
    Abstract: A variety of different intravaginal drug delivery devices are described for the delivery of estrogens and progestins. The release rate of estrogens and progestins can be controlled by varying the matrix material or by the application of a thin coating. The intravaginal drug delivery devices may be composed of one or more individual compartments. By controlling various physical and chemical parameters, non-zero release rates of the estrogen or progestins may be achieved.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Walter Elger, Klaus Nickisch, Ze'ev Shaked, Karin Eggenreich, Simone Eder, Andreas Witschnigg
  • TARGETED DELIVERY OF PROGESTINS AND ESTROGENS VIA VAGINAL RING DEVICES FOR FERTILITY CONTROL AND HRT PRODUCTS
    Publication number: 20190328656
    Abstract: A variety of different intravaginal drug delivery devices are described for the delivery of estrogens and progestins. The release rate of estrogens and progestins can be controlled by varying the matrix material or by the application of a thin coating. The intravaginal drug delivery devices may be composed of one or more individual compartments. By controlling various physical and chemical parameters, non-zero release rates of the estrogen or progestins may be achieved.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Walter Elger, Klaus Nickisch, Ze'ev Shaked, Karin Eggenreich, Simone Eder, Andreas Witschnigg
  • ESTROGEN PRODRUGS AND METHODS OF ADMINISTERING ESTROGEN PRODRUGS
    Publication number: 20190328658
    Abstract: Disclosed herein is an intravaginal drug delivery device that includes one or more compartments, each of the one or more compartments comprising an estrogen prodrug and/or a progestin dispersed in a thermoplastic polymeric matrix.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Klaus Nickisch, Karin Eggenreich, Simone Eder, Andreas Witschnigg