Siegfried Darda
4Patents
4h-index
13Co-inventors
43Inventor score
Filing activity: Jul 12, 1977 → Apr 27, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4201211A | Therapeutic system for administering clonidine transdermally | Performing Operations; Transporting | 328 | Expired |
| US4361546A | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Human Necessities | 53 | Expired |
| US4459279A | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Human Necessities | 38 | Expired |
| US4578264A | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Human Necessities | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.