Frank Koppenhagen
3Patents
2h-index
5Co-inventors
30Inventor score
Filing activity: Jul 13, 2010 → Dec 6, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8557281B2 | Water-swellable polymers | Chemistry; Metallurgy | 56 | Active |
| US8628798B2 | Water-swellable polymers | Chemistry; Metallurgy | 4 | Active |
| US9987364B2 | Water-swellable polymers | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.