Hamminga; Derk
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamminga; Derk.The latest application filed is for "8,9-annelated-.beta.-carbolines and 8,9-annelated 3,4-dihydro-.beta.-carbolines".
- Hamminga; Derk - Weesp NL
- Hamminga; Derk - Leusden NL
| Patent | Date |
|---|---|
| 8,9-annelated-.beta.-carbolines and 8,9-annelated 3,4-dihydro-.beta.-carbolines Grant 5,332,746 - Hamminga , et al. July 26, 1 | 1994-07-26 |
| 8,9-anellated-1,2,3,4-tetrahydro-.beta.-carboline derivatives Grant 5,328,905 - Hamminga , et al. July 12, 1 | 1994-07-12 |
| Annelated indolo [3,2,-C]lactams Grant 5,223,625 - Van Wijngaarden , et al. June 29, 1 | 1993-06-29 |
| 1,7-annelated indolecarboxylic acid esters and amides Grant 5,198,437 - Hamminga , et al. March 30, 1 | 1993-03-30 |
| New 3-N substituted carbamoyl-indole derivatives Grant 5,102,901 - van Wijngaarden , et al. April 7, 1 | 1992-04-07 |
| 8,9-aneallated-1,2,3,4-tetrahydro-.beta.-carboline derivatives Grant 5,100,884 - Hamminga , et al. March 31, 1 | 1992-03-31 |
| Substituted 1H-indazole-3-carboxamides Grant 5,037,844 - Hamminga , et al. August 6, 1 | 1991-08-06 |
| 1,7-fused 1H-indole-2-carboxylic acid-N-(1,4-benzodiazepin-3-yl)amides Grant 5,010,076 - Waldeck , et al. April 23, 1 | 1991-04-23 |
| Certain substituted 1,7-annelated 1h-indazoles being selective antagonists of 5-ht-receptors Grant 4,985,424 - van Wijngaarden , et al. January 15, 1 | 1991-01-15 |
| New anellated indole derivatives Grant 4,939,136 - Haeck , et al. July 3, 1 | 1990-07-03 |
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