Robin G. Shepherd
30Patents
4h-index
23Co-inventors
63Inventor score
Filing activity: Nov 25, 1974 → Sep 17, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6197788A | (-)-mefloquine to block puringergic receptors and to treat movement or neurodegenerative disorders | Human Necessities | 19 | Expired |
| US4046895A | Phenanthridine derivatives and related compounds | Chemistry; Metallurgy | 7 | Expired |
| US4000142A | Process for preparing pyridine derivatives | Chemistry; Metallurgy | 5 | Expired |
| US4640924A | Thienoquinolizines and their use as .alpha..sub.2 -adrenoceptor antagonists | Chemistry; Metallurgy | 4 | Expired |
| US6403574B1 | Azetidinecarboxamide derivatives for treating CNS disorders | Human Necessities | 4 | Expired |
| US4526970A | Preparation of tetrahydroquinolines and related compounds | Chemistry; Metallurgy | 3 | Expired |
| US5112832A | Certain cyclopenta[b]pyridines and 5,6,7,8-tetrahydroquinolines having anti-inflammatory activity | Chemistry; Metallurgy | 3 | Expired |
| US4085108A | Silicon derivatives of tetrahydroquinolines | Chemistry; Metallurgy | 3 | Expired |
| US6664397B1 | Use of (+)mefloquine for the treatment of malaria | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4197239A | Hexahydroazepine, piperidine and pyrrolidine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4387230A | Process for preparing a dihydropyridine derivative | Chemistry; Metallurgy | 2 | Expired |
| US5629432A | Preparation of .alpha.-aryl .gamma.-butyrolactones | Chemistry; Metallurgy | 2 | Expired |
| US4325953A | 4-Aryl-4-aryloxypiperidines | Chemistry; Metallurgy | 2 | Expired |
| US4727149A | Preparation of nitriles of fused ring pyridine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4296029A | Process for preparing hexahydroazepine, piperidine and pyrrolidine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4609748A | Novel silyl reagents | Chemistry; Metallurgy | 2 | Expired |
| US4463177A | Process for making m-hydroxyphenyl substituted compounds | Chemistry; Metallurgy | 1 | Expired |
| US6133449A | Processes and intermediates for the preparation of piperazine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5026854A | Method for the production of 2-bromo-5,6,7,8-tetrahydroquinoline and the analogous 2-bromo-trimethylene and pentamethylene pyridines | Chemistry; Metallurgy | 1 | Expired |
| US4330546A | 3-Aryl-3-aryloxypropylamines | Chemistry; Metallurgy | 1 | Expired |
| US4717731A | 7H thieno[2,3-a]quinolizines, useful as .alpha..sub.2 -andrenoceptor antagonist | Chemistry; Metallurgy | 1 | Expired |
| US6175012A | Processes and intermediates for the preparation of piperazine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4626522A | Benzoxazocines intermediates | Chemistry; Metallurgy | 0 | Expired |
| US4812574A | Process for preparing thiazolobenzimidazoles and intermediates used therein | Chemistry; Metallurgy | 0 | Expired |
| US4707552A | Preparation of nitriles and thioamides of fused ring pyridine derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.