Patents by Inventor Beatrix MAYER

Beatrix MAYER 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).

  • Industrial process for the preparation of high purity estetrol
    Patent number: 11633406
    Abstract: The invention relates to the preparation of estetrol of formula (I), derivatives thereof protected at positions 3,15?,16?,17? of general formula (III), and 3-hydroxy derivatives thereof protected at positions 15?,16?,17? of general formula (IV), and to the intermediates of general formulae (III) and (IV) applied in the process. Another aspect of the invention is the use of estetrol of formula (I) obtained by the process of the invention for the preparation of a pharmaceutical composition.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: April 25, 2023
    Assignee: RICHTER GEDEON NYRT.
    Inventors: Róbert Lovas, Sándor Mahó, Ildikó Bacsa, Beatrix Mayer
  • INDUSTRIAL PROCESS FOR THE PREPARATION OF HIGH PURITY ESTETROL
    Publication number: 20220296609
    Abstract: The invention relates to the preparation of estetrol of formula (I), derivatives thereof protected at positions 3,15?,16?,17? of general formula (III), and 3-hydroxy derivatives thereof protected at positions 15?,16?,17? of general formula (IV), and to the intermediates of general formulae (III) and (IV) applied in the process. Another aspect of the invention is the use of estetrol of formula (I) obtained by the process of the invention for the preparation of a pharmaceutical composition.
    Type: Application
    Filed: September 2, 2020
    Publication date: September 22, 2022
    Inventors: Róbert LOVAS, Sándor MAHÓ, Ildikó BACSA, Beatrix MAYER