Otto Engelfried
5Patents
4h-index
11Co-inventors
43Inventor score
Filing activity: Jun 4, 1974 → Jun 8, 1976
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4029777A | 18-Methyl-19-nor-20-ketopregnanes and process for the preparation thereof | Chemistry; Metallurgy | 25 | Expired |
| US3935245A | Radioactively labeled steroid derivatives | Human Necessities | 8 | Expired |
| US4061661A | .DELTA..sup.9(11) -5.alpha.-20-KETO STEROIDS AND PROCESS FOR THEIR PRODUCTION | Chemistry; Metallurgy | 7 | Expired |
| US4056633A | D-homo-20-ketopregnanes and method for inducing anesthesia or narcosis | Chemistry; Metallurgy | 4 | Expired |
| US4097678A | .DELTA..sup.9 (11) -5.alpha.-D-homo-20-keto steroids | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.