Inventor · disambiguated record
Richard S. Threlkel
Also filed as: THRELKEL RICHARD · THRELKEL RICHARD S
11 granted patents·623 citations·filing 1983–2002
93Inventor score
Top patents by PatentIndex Score
11 records- 0196US5620592ALow macropore resid conversion catalystCHEVRON USA INC·Filed 1995·Granted Apr 15, 1997·148 cites·19 claims
- 0295US6554994B1Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocksCHEVRON USA INC·Filed 1999·Granted Apr 29, 2003·191 cites·14 claims
- 0393US5196625ADetergent grade to C10 to C28 olefins, (C10 to C28 alkyl) benzenes and (C10 to C28 alkyl) benzene sulfonates and process for preparing same using a phosphite containing catalystCHEVRON RES & TECH·Filed 1992·Granted Mar 23, 1993·52 cites·10 claims
- 0493US4959491ADetergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparingCHEVRON RES·Filed 1987·Granted Sep 25, 1990·44 cites·31 claims
- 0591US5215955AResid catalyst with high metals capacityCHEVRON RES & TECH·Filed 1991·Granted Jun 1, 1993·89 cites·1 claims
- 0691US5196624ADetergent grade to C10 to C28 olefins, (C10 to C28 alkyl)benzenes and C10 to C28 alkyl) benzene sulfonates and process for preparing same using a phosphine containing catalystCHEVRON RES & TECH·Filed 1992·Granted Mar 23, 1993·39 cites·10 claims
- 0778US4757042AOlefin oligomerization catalystCHEVRON RES·Filed 1987·Granted Jul 12, 1988·12 cites·10 claims
- 0875US5177047AHigh activity resid catalystCHEVRON RES & TECH·Filed 1991·Granted Jan 5, 1993·32 cites·12 claims
- 0968US7074740B2Catalyst for conversion processesCHEVRON USA INC·Filed 2002·Granted Jul 11, 2006·8 cites·12 claims
- 1063US4677241AOlefin oligomerization process and catalystCHEVRON RES·Filed 1986·Granted Jun 30, 1987·6 cites·8 claims
- 1145US4482735AProcess for preparation of methyl methoxyacetateCHEVRON RES·Filed 1983·Granted Nov 13, 1984·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →