Inventor · disambiguated record
Joseph Broun Powell
Also filed as: POWELL JOSEPH B · POWELL JOSEPH BROUN
123 granted patents·37 pending applications·981 citations·filing 1989–2017
99Inventor score
Files withSHELL OIL CO134POWELL JOSEPH BROUN15CHHEDA JUBEN NEMCHAND4JOHNSON KIMBERLY ANN2MESTERS CAROLUS MATTHIAS ANNA MARIA1
Top patents by PatentIndex Score
160 records- 0195US8729324B2Biomass conversion systems having integrated heat management and methods for use thereofPOWELL JOSEPH BROUN·Filed 2011·Granted May 20, 2014·22 cites·26 claims
- 0295US5945570ACatalyst and process for preparing 1,3-propanediolFiled 1998·Granted Aug 31, 1999·119 cites·8 claims
- 0394US9353478B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted May 31, 2016·12 cites·14 claims
- 0493US8921629B2Process to produce biofuels via organic phase thermal hydrocatalytic treatment of biomassSHELL OIL CO·Filed 2012·Granted Dec 30, 2014·12 cites·14 claims
- 0592US10106746B2Methods and systems for supplying hydrogen to a hydrocatalytic reactionSHELL OIL CO·Filed 2017·Granted Oct 23, 2018·5 cites·13 claims
- 0692US9399836B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Jul 26, 2016·8 cites·24 claims
- 0792US8846993B2Biomass conversion systems having a fluid circulation loop containing backflushable filters for control of cellulosic fines and methods for use thereofPOWELL JOSEPH BROUN·Filed 2011·Granted Sep 30, 2014·8 cites·24 claims
- 0892US8729325B2Biomass conversion systems having a fluid circulation loop containing a centripetal force-based separation mechanism for control of cellulosic fines and methods for use thereofPOWELL JOSEPH BROUN·Filed 2011·Granted May 20, 2014·10 cites·14 claims
- 0991US9732469B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2016·Granted Aug 15, 2017·4 cites·23 claims
- 1091US9347178B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted May 24, 2016·9 cites·17 claims
- 1191US8692041B2Process to produce biofuels from biomassPOWELL JOSEPH BROUN·Filed 2011·Granted Apr 8, 2014·6 cites·23 claims
- 1291US5463145AProcess for preparing 1,3-propanediolSHELL OIL CO·Filed 1994·Granted Oct 31, 1995·38 cites·11 claims
- 1390US9593448B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Mar 14, 2017·8 cites·8 claims
- 1490US8877985B2Co-production of biofuels and glycolsPOWELL JOSEPH BROUN·Filed 2012·Granted Nov 4, 2014·9 cites·25 claims
- 1589US9708763B2Biomass treatment for hyperthermal hydrocatalytic conversionSHELL OIL CO·Filed 2016·Granted Jul 18, 2017·3 cites·17 claims
- 1689US6191321B1Process for preparing 1,3-propanediol from methyl 3-hydroxypropionateSHELL OIL CO·Filed 1998·Granted Feb 20, 2001·34 cites·8 claims
- 1789US5786524AProcess for preparation of 1,3-propanediol via hydrogenation of 3-hydroxypropanalSHELL OIL CO·Filed 1996·Granted Jul 28, 1998·46 cites·9 claims
- 1888US9708764B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2016·Granted Jul 18, 2017·3 cites·12 claims
- 1988US9447347B2Biofuels via hydrogenolysis-condensationCHHEDA JUBEN NEMCHAND·Filed 2010·Granted Sep 20, 2016·6 cites·33 claims
- 2088US5463146AProcess for preparing 1,3-propanediolSHELL OIL CO·Filed 1994·Granted Oct 31, 1995·31 cites·16 claims
- 2187US9822048B2Method of extending biomass conversion catalyst lifeSHELL OIL CO·Filed 2016·Granted Nov 21, 2017·3 cites·18 claims
- 2287US9468950B2Continuous or semi-continuous biomass wash system hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Oct 18, 2016·8 cites·19 claims
- 2387US9102584B2Hydrothermal hydrocatalytic treatment of biomass using water tolerant catalystsSHELL OIL CO·Filed 2013·Granted Aug 11, 2015·5 cites·33 claims
- 2486US8945243B2Systems capable of adding cellulosic biomass to a digestion unit operating at high pressures and associated methods for cellulosic biomass processingPOWELL JOSEPH BROUN·Filed 2011·Granted Feb 3, 2015·6 cites·24 claims
- 2586US5463144AProcess for preparing 1,3-propanediolSHELL OIL CO·Filed 1994·Granted Oct 31, 1995·28 cites·17 claims
- 2685US5689016ACobalt-catalyzed process for preparing alkanediols using a rhodium promoterSHELL OIL CO·Filed 1996·Granted Nov 18, 1997·29 cites·17 claims
- 2785US5585528ACobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic tertiary amine promoterSHELL OIL CO·Filed 1994·Granted Dec 17, 1996·24 cites·17 claims
- 2883US10150921B2Biomass conversion process to hydrocarbonsSHELL OIL CO·Filed 2016·Granted Dec 11, 2018·2 cites·14 claims
- 2983US9174898B2Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a slurry catalyst and a digestible filter aidSHELL OIL CO·Filed 2013·Granted Nov 3, 2015·3 cites·36 claims
- 3083US5563302ACobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic phosphine oxide promoterSHELL OIL CO·Filed 1994·Granted Oct 8, 1996·22 cites·17 claims
- 3183US5545767AProcess for preparing 1,3-propanediolSHELL OIL CO·Filed 1994·Granted Aug 13, 1996·22 cites·16 claims
- 3283US5008470AProcess for preparing a bisphenolSHELL OIL CO·Filed 1989·Granted Apr 16, 1991·19 cites·13 claims
- 3382US9404217B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Aug 2, 2016·2 cites·14 claims
- 3482US5545765ACobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic quaternary arsonium salt promoterSHELL OIL CO·Filed 1994·Granted Aug 13, 1996·20 cites·16 claims
- 3580US9102879B2Process to produce biofuels from biomassPOWELL JOSEPH BROUN·Filed 2011·Granted Aug 11, 2015·4 cites·20 claims
- 3680US9102878B2Process to produce biofuels from biomassPOWELL JOSEPH BROUN·Filed 2011·Granted Aug 11, 2015·4 cites·20 claims
- 3780US5723389AProcess for preparing alkanediolsSHELL OIL CO·Filed 1996·Granted Mar 3, 1998·21 cites·19 claims
- 3879US9605085B2Biomass treatment for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Mar 28, 2017·3 cites·34 claims
- 3979US6969779B2Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediolSHELL OIL CO·Filed 2003·Granted Nov 29, 2005·11 cites·15 claims
- 4079US5841003AProcess for preparing alkanediolsSHELL OIL CO·Filed 1996·Granted Nov 24, 1998·20 cites·18 claims
- 4179US5545766ACobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic bidentate phosphine promotorSHELL OIL CO·Filed 1994·Granted Aug 13, 1996·17 cites·14 claims
- 4278US9593242B2Methods and systems for distributing a slurry catalyst in cellulosic biomass solidsSHELL OIL CO·Filed 2013·Granted Mar 14, 2017·2 cites·38 claims
- 4378US9447345B2Lignocellulosic biomass conversionSHELL OIL CO·Filed 2013·Granted Sep 20, 2016·3 cites·22 claims
- 4478US9222028B2Process to produce biofuels from biomassPOWELL JOSEPH BROUN·Filed 2011·Granted Dec 29, 2015·3 cites·25 claims
- 4578US6576802B2One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligandSHELL OIL CO·Filed 2002·Granted Jun 10, 2003·14 cites·5 claims
- 4678US5731478AProcess for preparing alkanediolsSHELL OIL CO·Filed 1996·Granted Mar 24, 1998·18 cites·19 claims
- 4777US9562160B2Methods and systems for processing lignin during hydrothermal digestion of cellulosic biomass solidsSHELL OIL CO·Filed 2013·Granted Feb 7, 2017·3 cites·37 claims
- 4877US9446436B2Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Sep 20, 2016·3 cites·21 claims
- 4977US6469222B2One step process for preparing A 1,3-diolSHELL OIL CO·Filed 2001·Granted Oct 22, 2002·10 cites·23 claims
- 5076US9492851B2Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversionSHELL OIL CO·Filed 2014·Granted Nov 15, 2016·2 cites·14 claims
Showing the top 50 of 160 patent records by PatentIndex Score.
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