Inventor
O'REAR DENNIS J
103 patents
⚠️ This page may combine multiple inventors who share the name “O'REAR DENNIS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON USA INC
43 patentsUS6627779B2Sep 30, 2003
Lube base oils with improved yield
CHEVRON USA INC80 citations98
US6392109B1May 21, 2002
Synthesis of alkybenzenes and synlubes from Fischer-Tropsch products
CHEVRON USA INC99 citations98
US6773578B1Aug 10, 2004
Process for preparing lubes with high viscosity index values
CHEVRON USA INC73 citations97
US6890423B2May 10, 2005
Distillate fuel blends from Fischer Tropsch products with improved seal swell properties
CHEVRON USA INC58 citations96
US6833065B2Dec 21, 2004
Lube base oils with improved yield
CHEVRON USA INC62 citations96
US6806087B2Oct 19, 2004
Use of microchannel reactors in combinatorial chemistry
CHEVRON USA INC59 citations96
US6703429B2Mar 9, 2004
Process for converting synthesis gas into hydrocarbonaceous products
CHEVRON USA INC65 citations96
US6686511B2Feb 3, 2004
Process for making a lube base stock from a lower molecular weight feedstock using at least two oligomerization zones
CHEVRON USA INC44 citations96
US6369286B1Apr 9, 2002
Conversion of syngas from Fischer-Tropsch products via olefin metathesis
CHEVRON USA INC60 citations96
US6846402B2Jan 25, 2005
Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component
CHEVRON USA INC58 citations94
US6768035B2Jul 27, 2004
Manufacture of high octane alkylate
CHEVRON USA INC80 citations94
US6441263B1Aug 27, 2002
Ethylene manufacture by use of molecular redistribution on feedstock C3-5 components
CHEVRON USA INC53 citations94
US7608181B2Oct 27, 2009
Distillate fuel blends from Fischer Tropsch products with improved seal swell properties
CHEVRON USA INC22 citations93
US7354462B2Apr 8, 2008
Systems and methods of improving diesel fuel performance in cold climates
CHEVRON USA INC34 citations93
US6878854B2Apr 12, 2005
Temporary antioxidants for Fischer-Tropsch products
CHEVRON USA INC19 citations93
US6864398B2Mar 8, 2005
Conversion of syngas to distillate fuels
CHEVRON USA INC22 citations93
US6841711B2Jan 11, 2005
Process for making a lube base stock from a lower molecular weight feedstock in a catalytic distillation unit
CHEVRON USA INC34 citations93
US6833484B2Dec 21, 2004
Inhibiting oxidation of a Fischer-Tropsch product using petroleum-derived products
CHEVRON USA INC34 citations93
US6822006B1Nov 23, 2004
Methods of controlling the temperature of an exothermic reaction
CHEVRON USA INC25 citations93
US6806237B2Oct 19, 2004
Lube base oils with improved stability
CHEVRON USA INC42 citations93
US6774148B2Aug 10, 2004
Process for conversion of LPG and CH4 to syngas and higher valued products
CHEVRON USA INC21 citations93
US6713657B2Mar 30, 2004
Condensation of olefins in fischer tropsch tail gas
CHEVRON USA INC48 citations93
US6693138B2Feb 17, 2004
Reduction of carbon dioxide emissions from Fischer-Tropsch GTL facility by aromatics production
CHEVRON USA INC42 citations93
US6398946B1Jun 4, 2002
Process for making a lube base stock from a lower molecular weight feedstock
CHEVRON USA INC20 citations93
US6392108B1May 21, 2002
Inhibiting oxidation of a fischer-tropsch product using temporary antioxidants
CHEVRON USA INC30 citations93
US7179364B2Feb 20, 2007
Production of stable olefinic Fischer-Tropsch fuels with minimum hydrogen consumption
CHEVRON USA INC28 citations92
US7018525B2Mar 28, 2006
Processes for producing lubricant base oils with optimized branching
CHEVRON USA INC53 citations92
US6933323B2Aug 23, 2005
Production of stable olefinic fischer tropsch fuels with minimum hydrogen consumption
CHEVRON USA INC31 citations92
US6900366B2May 31, 2005
Process for upgrading of Fischer-Tropsch products
CHEVRON USA INC25 citations92
US6784329B2Aug 31, 2004
Olefin production from low sulfur hydrocarbon fractions
CHEVRON USA INC19 citations92
US6723756B2Apr 20, 2004
Aqueous separation of syngas components
CHEVRON USA INC21 citations92
US6706936B2Mar 16, 2004
Process for making a lube base stock from a lower molecular weight feedstock
CHEVRON USA INC26 citations92
US6566569B1May 20, 2003
Conversion of refinery C5 paraffins into C4 and C6 paraffins
CHEVRON USA INC39 citations92
US6359018B1Mar 19, 2002
Process for upflow fixed-bed hydroprocessing of fischer-tropsch wax
CHEVRON USA INC22 citations92
US7320748B2Jan 22, 2008
Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component
CHEVRON USA INC38 citations91
US6924404B2Aug 2, 2005
Inhibition of biological degradation of Fischer-Tropsch products
CHEVRON USA INC17 citations91
US6720359B2Apr 13, 2004
Scrubbing CO2 from a CO2-containing gas with an aqueous stream
CHEVRON USA INC44 citations91
US6667347B2Dec 23, 2003
Scrubbing CO2 from methane-containing gases using an aqueous stream
CHEVRON USA INC34 citations91
US6518321B1Feb 11, 2003
Method for transporting Fischer-Tropsch products
CHEVRON USA INC46 citations91
US6896707B2May 24, 2005
Methods of adjusting the Wobbe Index of a fuel and compositions thereof
CHEVRON USA INC45 citations89
US6743962B2Jun 1, 2004
Preparation of high octane alkylate from Fischer-Tropsch olefins
CHEVRON USA INC40 citations89
US6620091B1Sep 16, 2003
Underwater scrubbing of CO2 from CO2-containing hydrocarbon resources
CHEVRON USA INC31 citations88
US6541524B2Apr 1, 2003
Method for transporting Fischer-Tropsch products
CHEVRON USA INC26 citations86
CHEVRON RES
5 patentsUS4347121AAug 31, 1982
Production of lubricating oils
CHEVRON RES148 citations97
US4282085AAug 4, 1981
Petroleum distillate upgrading process
CHEVRON RES33 citations92
US4251348AFeb 17, 1981
Petroleum distillate upgrading process
CHEVRON RES30 citations92
US4171257AOct 16, 1979
Petroleum distillate upgrading process
CHEVRON RES38 citations92
US4436614AMar 13, 1984
Process for dewaxing and desulfurizing oils
CHEVRON RES50 citations90
CHEVRON CHEM CO
1 patentCHEVRON USA
1 patentShowing the top 50 of 103 patents by PatentIndex Score.