DL

Dirk Leysen

AN Akzo Nobel N.V.: 13 patents #10 of 1,625Top 1%
AN Akzo N.V.: 2 patents #175 of 803Top 25%
N. N.V.Organon: 2 patents #33 of 194Top 20%
📍 Lommel, BE: #3 of 59 inventorsTop 6%
Overall (All Time): #279,018 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
7582622 Steroids having a mixed androgenic and progestagenic profile Jaap Van Der Louw, Arij Jan Grootenhuis, Marcel Evert De Gooijer 2009-09-01
7323454 Etonogestrel esters Henrik de Nijs, Hendrikus Adrianus Antonius Van Der Voort, Arij Jan Grootenhuis 2008-01-29
6989378 Testosterone derivative Hendrikus Adrianus Antonius Van Der Voort 2006-01-24
6949531 14 β, 16, 17-methylene steroids as novel androgens Jaap Van Der Louw, Marcel Evert De Gooijer 2005-09-27
6881728 14-β, 17-α-hydroxymethylandrostane derivatives as androgens Hubert Jan Jozef Loozen, Jaap Van Der Louw 2005-04-19
6780854 Orally active androgens Hubert Jan Jozef Loozen, Jaap van der Louw 2004-08-24
6756366 Orally active androgens Jaap Van Der Louw, Roberta Burma Bursi 2004-06-29
6706700 14&bgr;,15&bgr;-methylene-17&agr;-hydroxymethyl-androgens Jaap Van Der Louw, Roberta Buma Bursi, Marcel De Gooyer 2004-03-16
6552011 (Androst-5-en-17beta -yl)alkyl sulfoxides and sulfones and their use for control of fertility Jaap Van Der Louw, Anja Wiersma 2003-04-22
6541465 Orally active androgens Hubert Jan Jozef Loozen, Jaap Van Der Louw 2003-04-01
6528501 22s-hydroxycholesta-8, 14-diene derivatives with meiosis regulating activity Jaap J. van der Louw, Robert Gerard Jules Marie Hanssen, A. Anja Wiersma 2003-03-04
6403573 Compounds of azetidine and pyrrolidin Johannes H. Wieringa, Christophorus Louis Eduard Broekkamp 2002-06-11
6313108 Orally active androgens Hubert Jan Jozef Loozen, Jaap Van Der Louw 2001-11-06
6281243 Derivatives of azetidine and pyrrolidine Johannes H. Wieringa, Christophorus Louis Eduard Broekkamp 2001-08-28
5994366 Tetrahydroimidazo[2,1-A]isoquinoline derivatives Gerardus Stephanus Franciscus Ruigt 1999-11-30
5430063 Phenoxyphenyl derivatives, compositions thereof and methods for their use Gerardus Stephanus Franciscus Ruigt, Johannes H. Wieringa 1995-07-04
5190965 Phenoxyphenyl derivatives, compositions and methods of use thereof Gerardus Stephanus Franciscus Ruigt, Johannes H. Wieringa 1993-03-02