John M. Townsend
5Patents
5h-index
2Co-inventors
45Inventor score
Filing activity: Oct 29, 1974 → Apr 22, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4008282A | Preparation of triaryl phosphines | Chemistry; Metallurgy | 12 | Expired |
| US4343741A | Chiral phosphines | Chemistry; Metallurgy | 10 | Expired |
| US4187241A | Metal phosphine complex | Performing Operations; Transporting | 6 | Expired |
| US4218567A | Process for aromatic ethers | Chemistry; Metallurgy | 6 | Expired |
| US4120870A | Metal phosphine complex | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.