Inventor · disambiguated record
Johannes D. M. Verstegen
Also filed as: VERSTEGEN JOHANNES D M
6 granted patents·52 citations·filing 1973–1984
81Inventor score
Top patents by PatentIndex Score
6 records- 0178US3936500AProcess for preparing ureaUNIE VAN KUNSTMESTFAB BV·Filed 1973·Granted Feb 3, 1976·13 cites·4 claims
- 0276US3957868AProcess for preparing urea from ammonia and carbon dioxideSTAMICARBON·Filed 1974·Granted May 18, 1976·12 cites·6 claims
- 0374US4554386AProcess for the preparation of methyl tertiary butyl etherSTAMICARBON·Filed 1984·Granted Nov 19, 1985·16 cites·5 claims
- 0464US4115208ARecovery of styrene from cracked hydrocarbon fractionsSTAMICARBON·Filed 1977·Granted Sep 19, 1978·7 cites·6 claims
- 0536US3970742AProcess for preparing cyanic acidSTAMICARBON·Filed 1974·Granted Jul 20, 1976·2 cites·8 claims
- 0629US3950497AProcess for preparing alkali metal and alkaline-earth metal cyanatesSTAMICARBON·Filed 1974·Granted Apr 13, 1976·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →