Inventor · disambiguated record
Arthur J. Dahlberg
Also filed as: DAHLBERG ARTHUR J · DAHLBERG ARTHUR JOHN
25 granted patents·5 pending applications·1,175 citations·filing 1976–2008
97Inventor score
Top patents by PatentIndex Score
30 records- 0198US6204426B1Process for producing a highly paraffinic diesel fuel having a high iso-paraffin to normal paraffin mole ratioCHEVRON USA INC·Filed 1999·Granted Mar 20, 2001·148 cites·22 claims
- 0297US6630066B2Hydrocracking and hydrotreating separate refinery streamsCHEVRON USA INC·Filed 2001·Granted Oct 7, 2003·112 cites·26 claims
- 0397US4564439ATwo-stage, close-coupled thermal catalytic hydroconversion processCHEVRON RES·Filed 1984·Granted Jan 14, 1986·130 cites·16 claims
- 0497US4389301ATwo-step hydroprocessing of heavy hydrocarbonaceous oilsCHEVRON RES·Filed 1981·Granted Jun 21, 1983·172 cites·16 claims
- 0596US4376037AHydroprocessing of heavy hydrocarbonaceous oilsCHEVRON RES·Filed 1981·Granted Mar 8, 1983·142 cites·26 claims
- 0694US7238277B2High conversion hydroprocessingCHEVRON USA INC·Filed 2004·Granted Jul 3, 2007·75 cites·20 claims
- 0794US6723889B2Process for producing a highly paraffinic diesel fuel having a high iso-paraffin to normal paraffin mole ratioCHEVRON USA INC·Filed 2001·Granted Apr 20, 2004·60 cites·15 claims
- 0887US6797154B2Hydrocracking process for the production of high quality distillates from heavy gas oilsCHEVRON USA INC·Filed 2002·Granted Sep 28, 2004·44 cites·21 claims
- 0985US6787025B2Process for the production of high quality middle distillates from mild hydrocrackers and vacuum gas oil hydrotreaters in combination with external feeds in the middle distillate boiling rangeCHEVRON USA INC·Filed 2001·Granted Sep 7, 2004·40 cites·15 claims
- 1085US6702935B2Hydrocracking process to maximize diesel with improved aromatic saturationCHEVRON USA INC·Filed 2001·Granted Mar 9, 2004·36 cites·16 claims
- 1179US6458265B1Diesel fuel having a very high iso-paraffin to normal paraffin mole ratioCHEVRON USA INC·Filed 1999·Granted Oct 1, 2002·43 cites·22 claims
- 1276US6783660B2Multiple hydroprocessing reactors with intermediate flash zonesCHEVRON USA INC·Filed 2001·Granted Aug 31, 2004·17 cites·14 claims
- 1373US6224747B1Hydrocracking and hydrotreatingCHEVRON USA INC·Filed 1999·Granted May 1, 2001·37 cites·22 claims
- 1467US4264429ATwo-stage coal liquefaction process with process-derived solventCHEVRON RES·Filed 1979·Granted Apr 28, 1981·16 cites·9 claims
- 1565US4379744ACoal liquefaction processCHEVRON RES·Filed 1981·Granted Apr 12, 1983·16 cites·42 claims
- 1659US4422922ACoal liquefaction and hydroprocessing of petroleum oilsCHEVRON RES·Filed 1982·Granted Dec 27, 1983·13 cites·10 claims
- 1757US4255248ATwo-stage coal liquefaction process with process-derived solvent having a low heptane-insolubiles contentCHEVRON RES·Filed 1979·Granted Mar 10, 1981·11 cites·8 claims
- 1855US5393410AHydrocarbon conversion processes and catalysts used thereinCHEVRON RES & TECH·Filed 1993·Granted Feb 28, 1995·15 cites·12 claims
- 1951US4330390ATwo-stage coal liquefaction process with petroleum-derived coal solventsCHEVRON RES·Filed 1979·Granted May 18, 1982·8 cites·30 claims
- 2050US4354920ACoal liquefaction processCHEVRON RES·Filed 1981·Granted Oct 19, 1982·9 cites·24 claims
- 2150US4350582ATwo-stage coal liquefaction process with process-derived solventCHEVRON RES·Filed 1980·Granted Sep 21, 1982·9 cites·33 claims
- 2248US4330393ATwo-stage coal liquefaction process with petroleum-derived coal solventsCHEVRON RES·Filed 1980·Granted May 18, 1982·8 cites·16 claims
- 2347US2008283444A1Multi-stage hydrocracker with kerosene recycleCHEVRON USA INC·Filed 2008·Application pending·0 cites
- 2445US2007278134A1Process for producing light neutral base oil having a high viscosity indexCHEVRON USA INC·Filed 2006·Application pending·0 cites
- 2542US4358359ATwo-stage coal liquefaction process with process-derived solvent having a low heptane-insolubles contentCHEVRON RES·Filed 1980·Granted Nov 9, 1982·6 cites·37 claims
- 2642US2009045100A1Multi-stage hydrocracker with kerosene recycleCHEVRON USA INC·Filed 2008·Application pending·0 cites
- 2740US2005103682A1Multi-stage hydrocracker with kerosene recycleCHEVRON USA INC·Filed 2004·Application pending·0 cites
- 2839US4330389ACoal liquefaction processCHEVRON RES·Filed 1976·Granted May 18, 1982·4 cites·29 claims
- 2937US4330391ACoal liquefaction processCHEVRON RES·Filed 1980·Granted May 18, 1982·4 cites·21 claims
- 3035US2003221990A1Multi-stage hydrocracker with kerosene recycleFiled 2002·Application pending·0 cites
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