P

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 patents
US6191321B1Feb 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

BLACKBOURN ROBERT LAWRENCE

1 patent