Inventor · disambiguated record
Roger Marzin
Also filed as: MARZIN ROGER
7 granted patents·1 pending application·300 citations·filing 1984–2012
88Inventor score
Top patents by PatentIndex Score
8 records- 0194US5885441ASteam conversion process and catalystINTEVEP SA·Filed 1997·Granted Mar 23, 1999·136 cites·59 claims
- 0290US8679322B2Hydroconversion process for heavy and extra heavy oils and residualsMARZIN ROGER·Filed 2010·Granted Mar 25, 2014·28 cites·27 claims
- 0385US4732664AProcess for solid separation from hydroprocessing liquid productINTEVEP SA·Filed 1984·Granted Mar 22, 1988·58 cites·15 claims
- 0480US8551907B2Dispersed metal sulfide-based catalystsPEREIRA PEDRO·Filed 2010·Granted Oct 8, 2013·6 cites·17 claims
- 0575US4655903ARecycle of unconverted hydrocracked residual to hydrocracker after removal of unstable polynuclear hydrocarbonsINTEVEP SA·Filed 1985·Granted Apr 7, 1987·37 cites·13 claims
- 0674US4676886AProcess for producing anode grade coke employing heavy crudes characterized by high metal and sulfur levelsINTEVEP SA·Filed 1986·Granted Jun 30, 1987·35 cites·8 claims
- 0754US2009023965A1Dispersed metal sulfide-based catalystsINTEVEP SA·Filed 2008·Application pending·0 cites
- 0851US8815765B2Dispersed metal sulfide-based catalystsCORDOVA JOSE·Filed 2012·Granted Aug 26, 2014·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →