Inventor · disambiguated record
Ronald Van Kempen
Also filed as: VAN KEMPEN RONALD
4 granted patents·115 citations·filing 1999–2004
80Inventor score
Files withSHELL OIL CO4
Top patents by PatentIndex Score
4 records- 0189US6977236B2Preparation of a double metal cyanide catalystSHELL OIL CO·Filed 2004·Granted Dec 20, 2005·51 cites·5 claims
- 0284US6716788B2Preparation of a double metal cyanide catalystSHELL OIL CO·Filed 2003·Granted Apr 6, 2004·25 cites·10 claims
- 0379US6699961B2DMC complex catalyst and process for its preparationSHELL OIL CO·Filed 2001·Granted Mar 2, 2004·23 cites·16 claims
- 0459US6403667B1Macromer stabiliser precursor for polymer polyolsSHELL OIL CO·Filed 1999·Granted Jun 11, 2002·16 cites·16 claims
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