Inventor
CURREN JOSEPH A
US24 patents
Patents
24 patentsUS10781273B2Sep 22, 2020
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP4 citations84
US10696759B1Jun 30, 2020
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP6 citations84
US11058987B2Jul 13, 2021
Membrane and pressure swing adsorption hybrid INRU process
CHEVRON PHILLIPS CHEMICAL CO LP6 citations81
US11845815B2Dec 19, 2023
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations73
US11578145B2Feb 14, 2023
System and method for rapid dump tank heating
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US11021549B2Jun 1, 2021
System and method for rapid dump tank heating
CHEVRON PHILLIPS CHEMICAL CO LP3 citations73
US10858458B2Dec 8, 2020
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations73
US10844147B2Nov 24, 2020
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations73
US11767378B2Sep 26, 2023
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
CHEVRON PHILLIPS CHEMICAL CO LP2 citations72
US11466104B1Oct 11, 2022
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
CHEVRON PHILLIPS CHEMICAL CO LP2 citations72
US11312797B2Apr 26, 2022
Systems and methods for polyethylene recovery with low volatile content
CHEVRON PHILLIPS CHEMICAL CO LP4 citations72
US10774161B2Sep 15, 2020
Systems and methods for polyethylene recovery with low volatile content
CHEVRON PHILLIPS CHEMICAL CO LP5 citations72
US11673975B2Jun 13, 2023
System and method for improving dump tank purge time
CHEVRON PHILLIPS CHEMICAL CO LP2 citations69
US12252558B2Mar 18, 2025
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US12195562B2Jan 14, 2025
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US11845814B2Dec 19, 2023
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US11548957B2Jan 10, 2023
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US10947331B2Mar 16, 2021
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US10449480B2Oct 22, 2019
Membrane and pressure swing adsorption hybrid INRU process
CHEVRON PHILLIPS CHEMICAL CO LP1 citations59
US10844148B2Nov 24, 2020
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US10703832B1Jul 7, 2020
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US12098221B2Sep 24, 2024
Systems and techniques for polymer degassing
CHEVRON PHILLIPS CHEMICAL CO LP0 citations51
US10173951B2Jan 8, 2019
Side rectifier column for olefin and diluent recovery
CHEVRON PHILLIPS CHEMICAL CO LP0 citations50
US12466900B2Nov 11, 2025
Loop slurry periodogram control to prevent reactor fouling and reactor shutdowns
CHEVRON PHILLIPS CHEMICAL CO LP0 citations41