Patents by Inventor J Jaap Van Der Louw

J Jaap Van Der Louw 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).

  • 17?-hydroxy-14?-steroids with hormonal effect
    Patent number: 7169769
    Abstract: This invention relates to steroidal compounds having the formula I wherein: R1 is O, (H,H), (H,OH), NOH, whereby OH is optionally etherified or esterified; R2 and R3 are independently hydrogen or (C1-4) alkyl and at least one of R2 and R3 is (C1-4) alkyl; R4 is hydrogen, or (C1-15) acyl for use in androgen-related treatments, such as androgen insufficiency and male or female contraception.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: January 30, 2007
    Assignee: Akzo Nobel N.V.
    Inventors: J Jaap Van Der Louw, D Dirk Leysen, M.E. Marcel Evert De Gooijer
  • 17Alpha-hydroxy-14Beta-steroids with hormonal effect
    Publication number: 20040259849
    Abstract: This invention relates to steroidal compounds having the formula (I), wherein: R1 is O, (H,H), (H,OH), NOH, whereby OH is optionally etherified or esterified; R2 and R3 are independently hydrogen or (C1-4) alkyl and at least one of R2 and R3 is (C1-4) alkyl; R4 is hydrogen, or (C1-15) acyl for use in androgen-related treatments, such as androgen insufficiency and male or female contraception.
    Type: Application
    Filed: March 11, 2004
    Publication date: December 23, 2004
    Inventors: J Jaap Van Der Louw, D Dirk Leysen, M.E. Marcel Evert De Gooijer