David N. Stephens
19Patents
7h-index
29Co-inventors
62Inventor score
Filing activity: Oct 6, 1986 → Jul 22, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4987146A | N-hetaryl imidazole derivatives | Chemistry; Metallurgy | 23 | Expired |
| US4719210A | 3-vinyl and 3-thyinyl-beta-carbolines, and their use as benzodiazepine receptor antagonists or agonists | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5385903A | Pharmaceutical agent for treatment of withdrawal symptoms | Human Necessities | 16 | Expired |
| US7527021B2 | Non-invasive drug self-administration system for animals | Human Necessities | 11 | Active |
| US4933345A | Isoxazole-.beta.-carboline derivatives | Human Necessities | 9 | Expired |
| US4945090A | Phenoxy-substituted beta-carboline derivatives, their production and their use as drugs | Human Necessities | 8 | Expired |
| US4952698A | Imidazole derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4877792A | Heteroaryloxy-beta-carboline derivatives, their preparation and their use as medicinal agents | Human Necessities | 6 | Expired |
| US4960777A | Heteroaryloxy-.beta.-carboline derivatives, their preparation and their use as medicinal agents | Human Necessities | 5 | Expired |
| US5348958A | Hetaryloxy-.beta.-carbolines, and use as pharmaceutical agents for treating epilepsy and anxiety | Human Necessities | 5 | Expired |
| US4855295A | Tetrahydro-beta-carbolines, and their use as drugs | Human Necessities | 4 | Expired |
| US4778800A | 3-oxadiazole and 3-carboxylic acid beta-carboline derivatives, and their use as psychotropic agents | Human Necessities | 4 | Expired |
| US5614509A | Pharmaceutical agents for preventing the development of tolerance during the treatment with benzodiazepine-receptor-binding active ingredients | Human Necessities | 4 | Expired |
| US4757070A | 3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions and use | Human Necessities | 3 | Expired |
| US4731365A | 5-aminoalkyl-beta-carboline derivatives, psycho tropic compositions and use | Human Necessities | 3 | Expired |
| US6191132A | Use of quisqualate receptor antagonists | Human Necessities | 1 | Expired |
| US6057304A | Quinoxaline-phosphonic acid derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5698555A | Hetaryloxy-.beta.-carbolines, their production and use in pharmaceutical agents | Human Necessities | 0 | Expired |
| US6288065A | Quinoxaline-carboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.