Inventor
WEIDER PAUL RICHARD
US49 patents
⚠️ This page may combine multiple inventors who share the name “WEIDER PAUL RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
48 patentsUS6191321B1Feb 20, 2001
Process for preparing 1,3-propanediol from methyl 3-hydroxypropionate
SHELL OIL CO34 citations92
US5841003ANov 24, 1998
Process for preparing alkanediols
SHELL OIL CO20 citations92
US5723389AMar 3, 1998
Process for preparing alkanediols
SHELL OIL CO21 citations92
US5689016ANov 18, 1997
Cobalt-catalyzed process for preparing alkanediols using a rhodium promoter
SHELL OIL CO29 citations92
US5986145ANov 16, 1999
Purification of 3-hydroxy-propanal
SHELL OIL CO22 citations91
US5770776AJun 23, 1998
Process for preparing 1,3-propanediol
SHELL OIL CO38 citations90
US5786524AJul 28, 1998
Process for preparation of 1,3-propanediol via hydrogenation of 3-hydroxypropanal
SHELL OIL CO46 citations89
US10138218B2Nov 27, 2018
Process for preparing furfural from biomass
SHELL OIL CO7 citations84
US5731478AMar 24, 1998
Process for preparing alkanediols
SHELL OIL CO18 citations84
US6576802B2Jun 10, 2003
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand
SHELL OIL CO14 citations83
US9624436B2Apr 18, 2017
Methods and systems for processing biomass material
SHELL OIL CO7 citations81
US10787606B2Sep 29, 2020
Weighted acid compositions comprising amino acids
SHELL OIL CO7 citations80
US10093639B2Oct 9, 2018
Process for preparing furfural from biomass
SHELL OIL CO4 citations73
US6469222B2Oct 22, 2002
One step process for preparing A 1,3-diol
SHELL OIL CO10 citations72
US5777182AJul 7, 1998
Cobalt-catalyzed process for preparing 1,3-propanidiol
SHELL OIL CO16 citations72
US6969779B2Nov 29, 2005
Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediol
SHELL OIL CO11 citations71
US11603491B2Mar 14, 2023
Thermally activated strong acids
SHELL OIL CO2 citations70
US5981808ANov 9, 1999
Cobalt-catalyzed process for preparing 1, 3-propanediol from etylene oxide
SHELL OIL CO16 citations69
US5684214ANov 4, 1997
Process for preparing 1,3-propanediol
SHELL OIL CO9 citations69
US9428816B2Aug 30, 2016
Method of treating ethanol production byproducts
SHELL OIL CO5 citations68
US9873665B2Jan 23, 2018
Process for treating biomass to produce materials useful for biofuels
SHELL OIL CO3 citations67
US9212401B2Dec 15, 2015
Treating biomass to produce materials useful for biofuels
SHELL OIL CO3 citations63
US6180838B1Jan 30, 2001
Process for preparing alkanediols
SHELL OIL CO5 citations63
US10961595B2Mar 30, 2021
Treating biomass to produce materials useful for biofuels
SHELL OIL CO0 citations62
US6903044B2Jun 7, 2005
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand
SHELL OIL CO2 citations62
US6753289B2Jun 22, 2004
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand
SHELL OIL CO2 citations62
US6750373B2Jun 15, 2004
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst
SHELL OIL CO3 citations62
US6660892B2Dec 9, 2003
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction
SHELL OIL CO2 citations62
US6586643B2Jul 1, 2003
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand
SHELL OIL CO2 citations62
US6545190B2Apr 8, 2003
One step process for preparing a 1,3-diol
SHELL OIL CO5 citations62
US6706656B2Mar 16, 2004
One step process for preparing a 1,3-diol
SHELL OIL CO2 citations61
US6518466B2Feb 11, 2003
One step process for preparing a 1,3-diol
SHELL OIL CO1 citations61
US6468940B1Oct 22, 2002
One step process for preparing a 1,3-diol
SHELL OIL CO2 citations61
US11156074B2Oct 26, 2021
Thermally activated strong acids
SHELL OIL CO0 citations60
US10894909B2Jan 19, 2021
Inducibly degradable polyacetal compositions for use in subterranean formations
SHELL OIL CO0 citations59
US10920131B2Feb 16, 2021
Weighted acid compositions comprising amino acids
SHELL OIL CO0 citations58
US8013192B2Sep 6, 2011
Process for preparing 1,3-propanediol
SHELL OIL CO2 citations58
US10221370B2Mar 5, 2019
Method of separating lignin derived compounds from pyrolysis oil
SHELL OIL CO0 citations52
US7385090B2Jun 10, 2008
Method of treating an aldehyde mixture, use of the treated aldehyde, and an alcohol
SHELL OIL CO1 citations52
US7115540B2Oct 3, 2006
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction
SHELL OIL CO0 citations52
US6972346B2Dec 6, 2005
Solid acid catalyzed reactive stripping of impurities formed during the production of 1, 3-propanediol
SHELL OIL CO0 citations52
US7538061B2May 26, 2009
One-step production of 1,3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst
SHELL OIL CO0 citations51
US10443368B2Oct 15, 2019
Thermally activated strong acids
SHELL OIL CO0 citations49
US7276634B2Oct 2, 2007
Reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol
SHELL OIL CO1 citations48
US9382593B2Jul 5, 2016
Continuous or semi-continuous process for treating biomass to produce materials useful for biofuels
SHELL OIL CO1 citations47
US8900833B2Dec 2, 2014
Method of recovering lipids from microbial biomass
SHELL OIL CO0 citations47
US12049659B2Jul 30, 2024
Production of ethanol and enhanced co-products using co-products as feedstock
SHELL OIL CO0 citations46
US7329785B2Feb 12, 2008
Process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal in the presence of a hydration co-catalyst
SHELL OIL CO0 citations41