Inventor
LOWELL JEFFREY S
US18 patents
Patents
18 patentsUS11767378B2Sep 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
US10457753B2Oct 29, 2019
Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors
CHEVRON PHILLIPS CHEMICAL CO LP3 citations71
US12565545B2Mar 3, 2026
Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US12319774B1Jun 3, 2025
Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors
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
US10988554B2Apr 27, 2021
Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors
CHEVRON PHILLIPS CHEMICAL CO LP0 citations61
US11541367B2Jan 3, 2023
Systems and methods for reducing heat exchanger fouling rate
CHEVRON PHILLIPS CHEMICAL CO LP0 citations60
US11027253B2Jun 8, 2021
Systems and methods for reducing heat exchanger fouling rate
CHEVRON PHILLIPS CHEMICAL CO LP0 citations60
US11173468B2Nov 16, 2021
Polymer flake degassing system and methods
CHEVRON PHILLIPS CHEMICAL CO LP0 citations59
US10730032B2Aug 4, 2020
Polymer flake degassing system and methods
CHEVRON PHILLIPS CHEMICAL CO LP1 citations59
US11850581B2Dec 26, 2023
Systems and methods for mitigating polymer fouling
CHEVRON PHILLIPS CHEMICAL CO LP0 citations56
US12098221B2Sep 24, 2024
Systems and techniques for polymer degassing
CHEVRON PHILLIPS CHEMICAL CO LP0 citations51
US11168157B2Nov 9, 2021
Melt flow index response in polyethylene reactors
CHEVRON PHILLIPS CHEMICAL CO LP0 citations51
US10688461B2Jun 23, 2020
Systems and methods for detecting and controlling bed height in fluidized bed reactors
CHEVRON PHILLIPS CHEMICAL CO LP0 citations24