DH

Derk Hamminga

DB Duphar International Research B.V.: 15 patents #3 of 182Top 2%
KG Kali-Chemie Pharma Gmbh: 1 patents #58 of 94Top 65%
📍 Weesp, NL: #10 of 254 inventorsTop 4%
Overall (All Time): #303,326 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
5332746 8,9-annelated-.beta.-carbolines and 8,9-annelated 3,4-dihydro-.beta.-carbolines Hans H. Haeck, Ineke van Wijngaarden, Johannes W. C. M. Jansen 1994-07-26
5328905 8,9-anellated-1,2,3,4-tetrahydro-.beta.-carboline derivatives Ineke van Wijngaarden, Johannes W. C. M. Jansen 1994-07-12
5326768 3,4-annelated benzimidazol-2-(1H)-one 1-carboxylic acid derivatives Ineke van Wijngaarden, Wouter Wouters 1994-07-05
5223625 Annelated indolo [3,2,-C]lactams Ineke van Wijngaarden, Hans H. Haeck, Wouter Wouters 1993-06-29
5198437 1,7-annelated indolecarboxylic acid esters and amides Hans H. Haeck, Ineke van Wijngaarden, Wouter Wouters 1993-03-30
5183822 Substituted 3,4-annelated benzimidazol-2(1H)-ones Ineke van Wijngaarden, Wouter Wouters 1993-02-02
5102901 New 3-N substituted carbamoyl-indole derivatives Ineke van Wijngaarden, Hans H. Haeck, Wouter Wouters 1992-04-07
5100884 8,9-aneallated-1,2,3,4-tetrahydro-.beta.-carboline derivatives Ineke Van Wigngaarden, Johannes W. C. M. Jansen 1992-03-31
5066649 8,9-annelated-1,2,3,4-tetrahydro-.beta.-carboline derivatives Ineke van Wijngaarden, Johannes W. C. M. Jansen 1991-11-19
5049563 Annelated indoleketones with an imidazolylalkyl substituent Hans H. Haeck, Ineke van Wijngaarden, Wouter Wouters 1991-09-17
5037844 Substituted 1H-indazole-3-carboxamides Ineke van Wijngaarden 1991-08-06
5010076 1,7-fused 1H-indole-2-carboxylic acid-N-(1,4-benzodiazepin-3-yl)amides Harald Waldeck, Werner Benson, Horst Zeugner, Klaus-Ullrich Wolf, Peter-Colin Gregory +1 more 1991-04-23
4985420 1,7-annelated indolecarboxylic acid esters and -amides Hans H. Haeck, Ineke van Wijngaarden, Wouter Wouters 1991-01-15
4985424 Certain substituted 1,7-annelated 1h-indazoles being selective antagonists of 5-ht-receptors Ineke van Wijngaarden, Hans H. Haeck, Wouter Wouters 1991-01-15
4950759 Substituted 1,7-annelated 1H-indazoles Ineke van Wijngaarden, Hans H. Haeck, Wouter Wouters 1990-08-21
4939136 New anellated indole derivatives Hans H. Haeck, Ineke van Wijngaarden, Wouter Wouters 1990-07-03