Oskar Ehrmann
3Patents
3h-index
16Co-inventors
47Inventor score
Filing activity: Mar 30, 1982 → Jun 7, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4438131A | .OMEGA.-Cyano-1, .OMEGA.-diphenyl-azaalkane derivatives, their preparation and drugs containing them | Chemistry; Metallurgy | 24 | Expired |
| US4968717A | Phenylacetonitriles which are substituted by basic groups, their preparation and drugs containing these substances | Chemistry; Metallurgy | 7 | Expired |
| US5457224A | Resolution of racemic verapamil | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.