Frederic Couffin
3Patents
2h-index
2Co-inventors
24Inventor score
Filing activity: Dec 27, 1985 → Jan 24, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4671949A | Novel anhydrous sodium tripolyphosphate | Chemistry; Metallurgy | 3 | Expired |
| US4671948A | Anhydrous sodium tripolyphosphate | Chemistry; Metallurgy | 2 | Expired |
| US4671947A | Novel sodium orthophosphate | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.