Patents by Inventor Arij Jan Grootenhuis

Arij Jan Grootenhuis 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).

  • Steroids having a mixed androgenic and progestagenic profile
    Patent number: 7582622
    Abstract: The invention provides 19-nor-D-homosteroids, having a mixed androgenic/progestagenic profile, which are orally active, prevent trabecular bone mineral density (BMD) loss, and which lack liver toxicity, having a structure according to the formula (I) wherein, R1 is O, or NOR, with R being hydrogen, (C1-6)alkyl, or (C1-6)acyl, R2 is methyl or ethyl, and R3 is hydrogen or (C1-15)acyl.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: September 1, 2009
    Assignee: N.V. Organon
    Inventors: Jaap Van Der Louw, Dirk Leysen, Arij Jan Grootenhuis, Marcel Evert De Gooijer
  • New etonogestrel esters
    Publication number: 20050222113
    Abstract: The subject invention provides new progestogen esters and uses thereof.
    Type: Application
    Filed: May 22, 2003
    Publication date: October 6, 2005
    Inventors: Henrik De Nijs, Hendrikus Adrianus Antonius Van Der Voort, Dirk Leysen, Arij Jan Grootenhuis