Inventor · disambiguated record
Dirk Verzijl
Also filed as: VERZIJL DIRK
4 granted patents·124 citations·filing 1983–1989
79Inventor score
Top patents by PatentIndex Score
4 records- 0194US4490480ANickel catalyst on alumina supportOCTROPA BV·Filed 1983·Granted Dec 25, 1984·69 cites·12 claims
- 0276US4665048ACatalyst suitable for hydrotreatingOCTROPA BV·Filed 1985·Granted May 12, 1987·37 cites·12 claims
- 0347US5087599ANickel/silica catalysts and their preparationUNILEVER PATENT HOLDINGS·Filed 1988·Granted Feb 11, 1992·12 cites·4 claims
- 0446US4946821AProcess for the preparation of a hydrogenation catalystLEVER BROTHERS LTD·Filed 1989·Granted Aug 7, 1990·6 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Dirk Verzijl files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →