P

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 patents
US6627779B2Sep 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 patents

CHEVRON CHEM CO

1 patent

CHEVRON USA

1 patent

Showing the top 50 of 103 patents by PatentIndex Score.