Inventor · disambiguated record
Kai Verkerk
Also filed as: VERKERK KAI
6 granted patents·87 citations·filing 2001–2006
82Inventor score
Top patents by PatentIndex Score
6 records- 0192US7118653B2Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation columnBAYER AG·Filed 2003·Granted Oct 10, 2006·41 cites·9 claims
- 0289US6458972B1Process for the preparation of macrocyclic estersHAARMANN & REIMER GMBH·Filed 2001·Granted Oct 1, 2002·25 cites·8 claims
- 0385US7108770B2Process for the purification of toluene diisocyanate incorporating a dividing-wall distillation column for the final purificationBAYER AG·Filed 2003·Granted Sep 19, 2006·19 cites·10 claims
- 0468US7202378B2Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanateBAYER MATERIALSCIENCE AG·Filed 2006·Granted Apr 10, 2007·1 cites·7 claims
- 0568US7202384B2Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanateBAYER MATERIALSCIENCE AG·Filed 2006·Granted Apr 10, 2007·1 cites·6 claims
- 0647US7057071B2Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanateBAYER MATERIALSCIENCE AG·Filed 2003·Granted Jun 6, 2006·0 cites·7 claims
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