Gerhard Walther
54Patents
12h-index
29Co-inventors
84Inventor score
Filing activity: Jun 13, 1973 → Jun 14, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4621083A | PAF-antagonistic diazepines | Human Necessities | 43 | Expired |
| US5641784A | 8-substituted 1,3-dialiphaticxanthine derivatives | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5532233A | Hetrazepine compounds which have useful pharmaceutical utility | Chemistry; Metallurgy | 25 | Expired |
| US4623646A | PAF-antagonistic diazepines, methods of use | Human Necessities | 22 | Expired |
| US5532368A | Xanthine derivatives with adenosine-antagonistic activity | Chemistry; Metallurgy | 20 | Expired |
| US5286864A | Quinuclidines, their use as medicaments and processes for their preparation | Chemistry; Metallurgy | 20 | Expired |
| US4333829A | Aquaria inlet means | Human Necessities | 18 | Expired |
| US4087532A | Analgesically useful 2-tetrahydrofurfuryl-5-lower alkyl-2-oxy-6,7-benzomorphans and salts thereof | Chemistry; Metallurgy | 18 | Expired |
| US4100288A | N-Tetrahydrofurfuryl-noroxymorphones, their salts, and analgesic compositions and methods employing them | Human Necessities | 17 | Expired |
| US4968794A | Thieno-traizolo-1,4-diazepino-2-carboxylic acid amides | Chemistry; Metallurgy | 14 | Expired |
| US4900729A | Thieno-1,4-diazepines | Chemistry; Metallurgy | 14 | Expired |
| US3933832A | N-(1-(.omega.-phenyl-alkyl)-piperidyl-4)-N-(.alpha.-pyridyl)-carboxylic acid amides and salts thereof | Chemistry; Metallurgy | 14 | Expired |
| US3981874A | N-[(Methoxymethyl-furyl)-methyl]-morphinans or -6,7-benzomorphans and salts thereof | Human Necessities | 12 | Expired |
| US4313931A | Fused dibenzo imidazolo compounds, compositions and use | Chemistry; Metallurgy | 11 | Expired |
| US4833140A | 1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones | Chemistry; Metallurgy | 11 | Expired |
| US4503060A | 3-Imino-3H-dibenzo-[c,f]-imidazo-[1,5-a]azepine pharmaceuticals | Chemistry; Metallurgy | 10 | Expired |
| US3931187A | N-(heteroaryl-methyl)-7.alpha.-acyl-6,14-(endoetheno or endoethano)-tetrahydro-nororipavines or-thebaines and salts thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5508405A | Quinuclidines, their use as medicaments and processes for their preparation | Human Necessities | 8 | Expired |
| US3982005A | 2-Tetrahydrofurfuryl-5-(methyl or phenyl)-9.beta.-methyl-2'-oxy-6,7-benzomorphans and salts thereof | Human Necessities | 8 | Expired |
| US4670456A | 4-Aminocarbonylaminomethyl-1-benzylpyrrolidin-2-ones as nootropic agents and as agents for treating cerebral insufficiency | Chemistry; Metallurgy | 7 | Expired |
| US4732900A | 1,2,4-triazolo-carbamates | Chemistry; Metallurgy | 7 | Expired |
| US4581364A | 1-substituted-4-hydroxymethyl-pyrrolidin-2-ones | Chemistry; Metallurgy | 7 | Expired |
| US5155103A | Methods of using new thieno-triazole-1,4-diazepino-2-carboxylic acid amides | Chemistry; Metallurgy | 6 | Expired |
| US5116971A | Substituted-1,4-diazepines | Chemistry; Metallurgy | 6 | Expired |
| US5451587A | Quinuclidines, their use as medicaments and processes for their preparation | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.