SH

Sebastianus J. Halkes

DB Duphar International Research B.V.: 14 patents #4 of 182Top 3%
📍 Weesp, NL: #11 of 254 inventorsTop 5%
Overall (All Time): #328,120 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6288249 Vitamin D analogs and methods of preparing these compounds Jan-Paul van de Velde, Silvia Kanzler, Wolfgang Reischl 2001-09-11
RE36854 Vitamin D compounds and method of preparing these compounds Jose P. Sestelo, Antonio Mourino, Jose L. Mascarenas, Jan Zorgdrager, Gerhardus D. H. Dijkstra +1 more 2000-09-05
6080878 Method of preparing 16-dehydro vitamin D compounds Maria de los Angeles Rey, Antonio Mourino, Ana Fernandez-Gacio, Yagamare Fall, Koen M. Halkes +2 more 2000-06-27
6075015 Vitamin D compounds and method of preparing these compounds Jose P. Sestelo, Antonio Mourino, Jose L. Mascarenas, Jan Zorgdrager, Gerhardus D. H. Dijkstra +1 more 2000-06-13
6072062 Synthesis of C.sub.18 -modified vitamin D compounds and compounds resulting therefrom Maria J. Valles, Jose L. Mascarenas, Antonio Mourino, Jan Zorgdrager 2000-06-06
5929056 Vitamin D compounds and method of preparing these compounds Antonio Mourino, Jose Antonio Martinez, Maria de los Angeles Rey, Juan Granja 1999-07-27
5817648 Vitamin D.sub.3 analogues having an unsaturated side chain Andrzej Kutner, Wanda Wojciechowska, Jan-Paul van de Velde 1998-10-06
5637742 Vitamin D compound, method of preparing this compound and intermediate therefor Maria J. Valles, Jose L. Mascarenas, Antonio Mourino, Jan Zorgdrager 1997-06-10
5449668 Vitamin D compounds and method of preparing these compounds Jose P. Sestelo, Antonio Mourino, Jose L. Mascarenas, Jan Zorgdrager, Gerhardus D. H. Dijkstra +1 more 1995-09-12
5403940 Vitamin D compound, method of preparing this compound and intermediate thereof Maria J. Valles, Jose L. Mascarenas, Antonio Mourino, Jan Zorgdrager 1995-04-04
5395953 Method of preparing hydrindane compounds and hydrindane-related compounds Miguel Maestro, Antonio Mourino, Benjamin Borsje 1995-03-07
5175217 Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds using a polymeric photoinitiator Eric Goethals, Robert B. Koolstra 1992-12-29
5110924 Adduct-aldehyde and its use for the preparation of vitamin-D compounds Wilhelmus R. M. Overbeek 1992-05-05
5035783 Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds Eric Goethals, Robert B. Koolstra 1991-07-30
4539153 Method of preparing 1 .alpha.-hydroxyvitamin D and 1 .alpha.-hydroxyprevitamin D compounds, and adducts of a previtamin D or tachysterol compound with a suitable dienophile Maurits Vandewalle, Luc Vanmaele, Pierre De Clercq, Wilhelmus R. M. Overbeek 1985-09-03