Helmut Michel
15Patents
8h-index
15Co-inventors
65Inventor score
Filing activity: Jan 31, 1980 → Dec 17, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4642309A | Indolin-2-one derivatives preparation thereof and intermediates for the preparation thereof | Chemistry; Metallurgy | 47 | Expired |
| US4826847A | Beta-blocking oxindole derivatives | Chemistry; Metallurgy | 45 | Expired |
| US4736043A | Process for the preparation of indole derivatives | Chemistry; Metallurgy | 40 | Expired |
| US4346093A | Heterocyclic oxypropanolamine compounds and pharmaceutical compositions | Chemistry; Metallurgy | 20 | Expired |
| US4801596A | Nitroxy amino propanols for treating heart and circulatory diseases | Chemistry; Metallurgy | 14 | Expired |
| US4288442A | Inhibiting adrenergic .beta.-receptors with piperidinopropyl derivatives | Chemistry; Metallurgy | 13 | Expired |
| US4442295A | 3-Cyano indoles as intermediates for cardioselective compounds | Chemistry; Metallurgy | 10 | Expired |
| US4863949A | Aminopropanol derivatives, processes for the preparation thereof, the use thereof and pharmaceutical compositions containing them | Chemistry; Metallurgy | 9 | Expired |
| US5037849A | Pharmaceutical compositions containing nitroxyalkylamines, novel nitroxyalkylamines and processes for the preparation thereof | Chemistry; Metallurgy | 6 | Expired |
| US5411989A | Nitric acid esters of cyclohexanol derivatives | Chemistry; Metallurgy | 4 | Expired |
| US4479962A | Indazoloxypropanolamine derivatives and use in combating, and for the prophylaxis of, cardiac and circulatory diseases | Chemistry; Metallurgy | 3 | Expired |
| US5030641A | Cyclic azaaliphatic compounds with a nitroxy function, processes for the preparation thereof and pharmaceutical compositions containing them | Chemistry; Metallurgy | 3 | Expired |
| US4468520A | 3-Cyano-indoles as cardioselective agents | Human Necessities | 2 | Expired |
| US4824965A | 4-oxo-4,5,6,7-Tetrahydroindole derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5280031A | Cyclic azaaliphatic compounds with a nitroxy function, processes for the preparation thereof and pharmaceutical compositions containing them | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.