Inventor
DAHLBERG ARTHUR J
22 patents
⚠️ This page may combine multiple inventors who share the name “DAHLBERG ARTHUR J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON RES
14 patentsUS4564439AJan 14, 1986
Two-stage, close-coupled thermal catalytic hydroconversion process
CHEVRON RES130 citations96
US4389301AJun 21, 1983
Two-step hydroprocessing of heavy hydrocarbonaceous oils
CHEVRON RES172 citations96
US4376037AMar 8, 1983
Hydroprocessing of heavy hydrocarbonaceous oils
CHEVRON RES142 citations93
US4422922ADec 27, 1983
Coal liquefaction and hydroprocessing of petroleum oils
CHEVRON RES13 citations73
US4379744AApr 12, 1983
Coal liquefaction process
CHEVRON RES16 citations73
US4354920AOct 19, 1982
Coal liquefaction process
CHEVRON RES9 citations73
US4350582ASep 21, 1982
Two-stage coal liquefaction process with process-derived solvent
CHEVRON RES9 citations73
US4330390AMay 18, 1982
Two-stage coal liquefaction process with petroleum-derived coal solvents
CHEVRON RES8 citations73
US4330393AMay 18, 1982
Two-stage coal liquefaction process with petroleum-derived coal solvents
CHEVRON RES8 citations73
US4264429AApr 28, 1981
Two-stage coal liquefaction process with process-derived solvent
CHEVRON RES16 citations73
US4255248AMar 10, 1981
Two-stage coal liquefaction process with process-derived solvent having a low heptane-insolubiles content
CHEVRON RES11 citations73
US4358359ANov 9, 1982
Two-stage coal liquefaction process with process-derived solvent having a low heptane-insolubles content
CHEVRON RES6 citations62
US4330389AMay 18, 1982
Coal liquefaction process
CHEVRON RES4 citations62
US4330391AMay 18, 1982
Coal liquefaction process
CHEVRON RES4 citations62
CHEVRON USA INC
7 patentsUS6630066B2Oct 7, 2003
Hydrocracking and hydrotreating separate refinery streams
CHEVRON USA INC112 citations98
US7238277B2Jul 3, 2007
High conversion hydroprocessing
CHEVRON USA INC75 citations96
US6702935B2Mar 9, 2004
Hydrocracking process to maximize diesel with improved aromatic saturation
CHEVRON USA INC36 citations92
US6224747B1May 1, 2001
Hydrocracking and hydrotreating
CHEVRON USA INC37 citations92
US6797154B2Sep 28, 2004
Hydrocracking process for the production of high quality distillates from heavy gas oils
CHEVRON USA INC44 citations91
US6787025B2Sep 7, 2004
Process 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 range
CHEVRON USA INC40 citations91
US6783660B2Aug 31, 2004
Multiple hydroprocessing reactors with intermediate flash zones
CHEVRON USA INC17 citations83