Inventor
HAMMINGA DERK
NL16 patents
⚠️ This page may combine multiple inventors who share the name “HAMMINGA DERK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUPHAR INT RES
15 patentsUS5037844AAug 6, 1991
Substituted 1H-indazole-3-carboxamides
DUPHAR INT RES78 citations96
US5328905AJul 12, 1994
8,9-anellated-1,2,3,4-tetrahydro-β-carboline derivatives
DUPHAR INT RES58 citations95
US5223625AJun 29, 1993
Annelated indolo [3,2,-C]lactams
DUPHAR INT RES68 citations95
US4985424AJan 15, 1991
Certain substituted 1,7-annelated 1h-indazoles being selective antagonists of 5-ht-receptors
DUPHAR INT RES54 citations95
US5102901AApr 7, 1992
New 3-n substituted carbamoyl-indole derivatives
DUPHAR INT RES31 citations92
US4939136AJul 3, 1990
New anellated indole derivatives
DUPHAR INT RES38 citations92
US4950759AAug 21, 1990
Substituted 1,7-annelated 1H-indazoles
DUPHAR INT RES18 citations81
US5198437AMar 30, 1993
1,7-annelated indolecarboxylic acid esters and amides
DUPHAR INT RES11 citations73
US5183822AFeb 2, 1993
Substituted 3,4-annelated benzimidazol-2(1h)-ones
DUPHAR INT RES14 citations73
US4985420AJan 15, 1991
1,7-annelated indolecarboxylic acid esters and -amides
DUPHAR INT RES17 citations73
US5100884AMar 31, 1992
8,9-aneallated-1,2,3,4-tetrahydro-β-carboline derivatives
DUPHAR INT RES11 citations67
US5049563ASep 17, 1991
Annelated indoleketones with an imidazolylalkyl substituent
DUPHAR INT RES2 citations62
US5332746AJul 26, 1994
8,9-annelated-β-carbolines and 8,9-annelated 3,4-dihydro-β-carbolines
DUPHAR INT RES6 citations61
US5066649ANov 19, 1991
8,9-annelated-1,2,3,4-tetrahydro-β-carboline derivatives
DUPHAR INT RES2 citations61
US5326768AJul 5, 1994
3,4-annelated benzimidazol-2-(1H)-one 1-carboxylic acid derivatives
DUPHAR INT RES1 citations51