Patents by Inventor Michiel Christine Alexander Van Vliet

Michiel Christine Alexander Van Vliet 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 PREPARATION OF ESTETROL
    Publication number: 20140235882
    Abstract: The present invention relates to a process for the preparation of estra-1,3,5(10)-trien-3,15?,16?,17?-tetraol (estetrol), via a silyl enol ether derivative 17-B-oxy-3-A-oxy-estra-1,3,5(10),16-tetraene, wherein A is a protecting group and B is —Si(R2)3. The invention further relates to a process for the synthesis of 3-A-oxy-estra-1,3,5(10),15-tetraen-17-one, wherein A is a protecting group, via said silyl enol ether derivative.
    Type: Application
    Filed: July 18, 2012
    Publication date: August 21, 2014
    Inventors: Johannes Jan Platteeuw, Herman Jan Tijmen Coelingh Bennink, Franciscus Wilhelmus Petrus Damen, Michiel Christine Alexander Van Vliet