Patents by Inventor Johannaes Stoelwinder

Johannaes Stoelwinder 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 2-substituted-derivatives of estrone and estradiol
    Publication number: 20090012319
    Abstract: The invention provides a process for the preparation of 2-substituted-derivatives of estrone and estradiol. The invention also provides several novel compounds, which can be intermediates in the process, and processes to prepare these novel compounds. The invention also provides 2-alkoxy-estrone, 2-alkoxy-estradiol or mixtures thereof essentially free from other estrogenic intermediates.
    Type: Application
    Filed: August 1, 2005
    Publication date: January 8, 2009
    Applicant: N.V. Organon
    Inventors: Johannaes Stoelwinder, Nicolaas Elisabeth Moers