Inventor · disambiguated record
Johanna Maria Helena Van Den Tol-Kershof
Also filed as: VAN DEN TOL-KERSHOF JOHANNA MA · VAN DEN TOL-KERSHOF JOHANNA MARIA HELENA
3 granted patents·52 citations·filing 1995–2009
72Inventor score
Files withSHELL OIL CO3
Top patents by PatentIndex Score
3 records- 0195US7749937B2Catalyst composition, its preparation and useSHELL OIL CO·Filed 2009·Granted Jul 6, 2010·36 cites·18 claims
- 0272US7557062B2Catalyst composition, its preparation and useSHELL OIL CO·Filed 2004·Granted Jul 7, 2009·11 cites·24 claims
- 0330US5661209APaint formulationsSHELL OIL CO·Filed 1995·Granted Aug 26, 1997·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →