Ralf Echterhoff
2Patents
1h-index
4Co-inventors
27Inventor score
Filing activity: Jul 21, 2004 → Feb 1, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7038002B2 | Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate | Chemistry; Metallurgy | 5 | Expired |
| US7205430B2 | Production of di- and polyisocyanates of the diphenylmethane series with defined acidity | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.