Kai Verkerk
6Patents
3h-index
18Co-inventors
46Inventor score
Filing activity: Aug 21, 2001 → Apr 7, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7118653B2 | Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6458972B1 | Process for the preparation of macrocyclic esters | Chemistry; Metallurgy | 20 | Expired |
| US7108770B2 | Process for the purification of toluene diisocyanate incorporating a dividing-wall distillation column for the final purification | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7202384B2 | Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate | Chemistry; Metallurgy | 1 | Expired |
| US7057071B2 | Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate | Chemistry; Metallurgy | 0 | Expired |
| US7202378B2 | Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.