Inventor

POWELL JOSEPH BROUN

US111 patents

⚠️ This page may combine multiple inventors who share the name “POWELL JOSEPH BROUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

POWELL JOSEPH BROUN

SHELL OIL CO

Process for preparing 1,3-propanediol from methyl 3-hydroxypropionate

Process for preparing alkanediols

Process for preparing alkanediols

Cobalt-catalyzed process for preparing alkanediols using a rhodium promoter

Purification of 3-hydroxy-propanal

Process for preparing 1,3-propanediol

Catalyst and process for preparing 1,3-propanediol

Process for preparation of 1,3-propanediol via hydrogenation of 3-hydroxypropanal

Biomass treatment for hydrothermal hydrocatalytic conversion

Biomass treatment for hydrothermal hydrocatalytic conversion

Biomass treatment for hydrothermal hydrocatalytic conversion

Biomass treatment for hydrothermal hydrocatalytic conversion

Process to produce biofuels via organic phase thermal hydrocatalytic treatment of biomass

Process for preparing alkanediols

One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand

Continuous or semi-continuous biomass wash system hydrothermal hydrocatalytic conversion

Biomass conversion process to hydrocarbons

Biomass treatment for hydrothermal hydrocatalytic conversion

Biomass treatment for hydrothermal hydrocatalytic conversion

Biomass treatment for hyperthermal hydrocatalytic conversion

Methods and systems for promoting hydrogen gas distribution within cellulosic biomass solids during hydrothermal digestion

Biomass treatment for hydrothermal hydrocatalytic conversion

Methods and systems for distributing a slurry catalyst in cellulosic biomass solids

Lignocellulosic biomass conversion

Hydrothermal hydrocatalytic treatment of biomass using water tolerant catalysts

One step process for preparing A 1,3-diol

Cobalt-catalyzed process for preparing 1,3-propanidiol

Methods and systems for supplying hydrogen to a hydrocatalytic reaction

Method of extending biomass conversion catalyst life

Systems and methods for providing feed material to a pressurized system

Methods and systems for processing lignin during hydrothermal digestion of cellulosic biomass solids

Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversion

Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediol

Cobalt-catalyzed process for preparing 1, 3-propanediol from etylene oxide

Process for preparing 1,3-propanediol

Methods and systems for supplying hydrogen to a hydrocatalytic reaction

Biomass treatment for hydrothermal hydrocatalytic conversion

Process for preparing alkanediols

Biomass conversion process to hydrocarbons

POWELL JOSEPH BROUN

Biomass conversion systems having integrated heat management and methods for use thereof

Co-production of biofuels and glycols

Biomass conversion systems having a fluid circulation loop containing backflushable filters for control of cellulosic fines and methods for use thereof

Biomass conversion systems having a fluid circulation loop containing a centripetal force-based separation mechanism for control of cellulosic fines and methods for use thereof

Systems capable of adding cellulosic biomass to a digestion unit operating at high pressures and associated methods for cellulosic biomass processing

Process to produce biofuels from biomass

Process to produce biofuels from biomass

Process to produce biofuels from biomass

Process to produce biofuels from biomass

(unassigned)

Catalyst and process for preparing 1,3-propanediol

CHHEDA JUBEN NEMCHAND

Biofuels via hydrogenolysis-condensation