Inventor · disambiguated record
Stephen C. Stem
Also filed as: STEM STEPHEN C
5 granted patents·209 citations·filing 1985–1989
84Inventor score
Files withSHELL OIL CO5
Top patents by PatentIndex Score
5 records- 0195US4717784ATotal isomerization process with mono-methyl-branched plus normal paraffin recycle streamSHELL OIL CO·Filed 1986·Granted Jan 5, 1988·68 cites·17 claims
- 0294US4804802AIsomerization process with recycle of mono-methyl-branched paraffins and normal paraffinsSHELL OIL CO·Filed 1988·Granted Feb 14, 1989·60 cites·22 claims
- 0384US4855529AIsomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture stepSHELL OIL CO·Filed 1988·Granted Aug 8, 1989·22 cites·46 claims
- 0481US4622130AEconomic combinative solvent and catalytic dewaxing process employing methylisopropyl ketone as the solvent and a silicate-based catalystSHELL OIL CO·Filed 1985·Granted Nov 11, 1986·46 cites·17 claims
- 0550US4982048AIsomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture stepSHELL OIL CO·Filed 1989·Granted Jan 1, 1991·13 cites·55 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →