Friedhelm Schwerdtle
7Patents
3h-index
11Co-inventors
54Inventor score
Filing activity: May 11, 1973 → Jun 6, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3954442A | Herbicidal compositions | Chemistry; Metallurgy | 80 | Expired |
| US4531969A | Herbicidal esters of D-1-(phenoxy-4-phenoxy)propionic acid | Chemistry; Metallurgy | 27 | Expired |
| US4830658A | Herbicidal compositions | Human Necessities | 6 | Expired |
| US5254527A | Optically active herbicidal ethyl-2-(4-(6-chloro-benzoxazol-2-yloxy)-phenoxy)-propionate | Chemistry; Metallurgy | 3 | Expired |
| US4692181A | Herbicidal compositions | Human Necessities | 3 | Expired |
| US4047932A | Herbicidal agents | Human Necessities | 3 | Expired |
| US5712226A | Optically active D-pyridyloxy phenoxy propionate herbicides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.