Patents by Inventor Erwin Gerardus Jacobus Warmerdam

Erwin Gerardus Jacobus Warmerdam 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).

  • SYNTHESIS OF ESTETROL VIA ESTRONE DERIVED STEROIDS
    Publication number: 20180265540
    Abstract: A process is provided for the making of estetrol starting from a 3-A-oxy-estra-1,3,5(10),15-tetraen-17-one, wherein A is an C1-C5 alkyl group, preferably a methyl group, or a C7-C12 benzylic group, preferably a benzyl group. This process is particularly suitable to industry.
    Type: Application
    Filed: May 17, 2018
    Publication date: September 20, 2018
    Applicant: Donesta Bioscience B.V.
    Inventors: Mark Theodoor VERHAAR, Thomas KOCH, Erwin Gerardus Jacobus WARMERDAM
  • Synthesis of estetrol via estrone derived steroids
    Patent number: 10000524
    Abstract: A process is provided for the making of estetrol starting from a 3-A-oxy-estra-1,3,5(10),15-tetraen-17-one, wherein A is an C1-C5 alkyl group, preferably a methyl group, or a C7-C12 benzylic group, preferably a benzyl group. This process is particularly suitable to industry.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: June 19, 2018
    Assignee: Donesta Bioscience B.V.
    Inventors: Mark Theodoor Verhaar, Thomas Koch, Erwin Gerardus Jacobus Warmerdam
  • SYNTHESIS OF ESTETROL VIA ESTRONE DERIVED STEROIDS
    Publication number: 20150105362
    Abstract: A process is provided for the making of estetrol starting from a 3-A-oxy-estra-1,3,5(10),15-tetraen-17-one, wherein A is an C1-C5 alkyl group, preferably a methyl group, or a C7-C12 benzylic group, preferably a benzyl group. This process is particularly suitable to industry.
    Type: Application
    Filed: December 19, 2014
    Publication date: April 16, 2015
    Applicant: Pantarhei Bioscience B.V.
    Inventors: Mark Theodoor Verhaar, Thomas Koch, Erwin Gerardus Jacobus Warmerdam