Inventor · disambiguated record
Otto M. Velthuis
Also filed as: VELTHUIS OTTO M
5 granted patents·135 citations·filing 1982–1987
83Inventor score
Files withSHELL OIL CO5
Top patents by PatentIndex Score
5 records- 0188US4806518AProcess for the preparation of a silver-containing ethylene oxide catalyst and the catalyst prepared by the processSHELL OIL CO·Filed 1987·Granted Feb 21, 1989·35 cites·23 claims
- 0288US4728634AEthylene oxide catalystSHELL OIL CO·Filed 1986·Granted Mar 1, 1988·27 cites·13 claims
- 0385US4731350AEthylene oxide catalystSHELL OIL CO·Filed 1987·Granted Mar 15, 1988·54 cites·11 claims
- 0481US4701437AEthylene oxide catalystSHELL OIL CO·Filed 1986·Granted Oct 20, 1987·16 cites·11 claims
- 0530US4383981AProcess for the separation of crystalline silicatesSHELL OIL CO·Filed 1982·Granted May 17, 1983·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →