Inventor · disambiguated record
Antonius Johannes Van Hengstum
Also filed as: VAN HENGSTUM ANTONIUS J · VAN HENGSTUM ANTONIUS JOHANNES
5 granted patents·84 citations·filing 1991–2010
79Inventor score
Top patents by PatentIndex Score
5 records- 0186US6140538AProcess for preparing 4-aminodiphenylaminesFLEXSYS AMERICA LP·Filed 1999·Granted Oct 31, 2000·39 cites·40 claims
- 0261US5139990AProcess for the preparation of a resulfided catalystAKZO NV·Filed 1991·Granted Aug 18, 1992·21 cites·2 claims
- 0357US5246569AProcess for the hydrodesulfurization of light hydrocarbon feedsAKZO NV·Filed 1991·Granted Sep 21, 1993·22 cites·7 claims
- 0447US6465691B1Solvent-free process for preparing thiuram disulfidesFLEXSYS BV·Filed 2000·Granted Oct 15, 2002·2 cites·9 claims
- 0544USRE44175EProcess for preparing 4-aminodiphenylaminesRAINS ROGER KERANEN·Filed 2010·Granted Apr 23, 2013·0 cites·74 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →