Inventor
MUTCHLER JOEL A
US51 patents
⚠️ This page may combine multiple inventors who share the name “MUTCHLER JOEL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON PHILLIPS CHEMICAL CO LP
33 patentsUS9556288B2Jan 31, 2017
Chain transfer agent removal between polyolefin polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP13 citations92
US9403921B2Aug 2, 2016
Chain transfer agent removal between polyolefin polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP14 citations92
US10781273B2Sep 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
US9850330B2Dec 26, 2017
Process for forming polyolefins
CHEVRON PHILLIPS CHEMICAL CO LP6 citations84
US9963523B2May 8, 2018
Polyethylene production with multiple polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP5 citations83
US11845815B2Dec 19, 2023
Multiple reactor and multiple zone polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 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
US9809660B2Nov 7, 2017
Polymerization product pressures in olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US9789463B2Oct 17, 2017
Heat transfer in a polymerization reactor
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US9469698B2Oct 18, 2016
Process for forming polyolefins
CHEVRON PHILLIPS CHEMICAL CO LP3 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
US10799847B2Oct 13, 2020
Polyolefin production with multiple polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP2 citations72
US9556283B2Jan 31, 2017
Polyethylene production with multiple polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP2 citations72
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
US10913046B2Feb 9, 2021
Cooling between multiple polyolefin polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US10646845B2May 12, 2020
Cooling between multiple polyolefin polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO LP1 citations62
US12460023B2Nov 4, 2025
Catalyst pretreatment and feeding system for polypropylene production
CHEVRON PHILLIPS CHEMICAL CO LP0 citations61
US11254761B1Feb 22, 2022
Catalyst pretreatment and feeding system for polypropylene production
CHEVRON PHILLIPS CHEMICAL CO LP1 citations61
US11969725B2Apr 30, 2024
Reactor jacket design
CHEVRON PHILLIPS CHEMICAL CO LP0 citations58
US11684904B2Jun 27, 2023
Initiator injection into high pressure LDPE reactors
CHEVRON PHILLIPS CHEMICAL CO LP0 citations58
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
US10478799B2Nov 19, 2019
Heat transfer in a polymerization reactor
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US10106634B2Oct 23, 2018
Process for forming polyolefins
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US9962670B2May 8, 2018
Compressible liquid diluent in polyolefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US9617358B2Apr 11, 2017
System and method for polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations49
CHEVRON PHILLIPS CHEMICAL CO
8 patentsUS8822608B1Sep 2, 2014
Polyolefin production with different diluents in multiple polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO212 citations98
US9340627B1May 17, 2016
Elbow and horizontal configurations in a loop reactor
CHEVRON PHILLIPS CHEMICAL CO20 citations92
US8987390B2Mar 24, 2015
Chain transfer agent removal between polyolefin polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO18 citations92
US9034994B2May 19, 2015
Systems and methods for real-time catalyst particle size control in a polymerization reactor
CHEVRON PHILLIPS CHEMICAL CO13 citations84
US8932527B1Jan 13, 2015
Elbow and horizontal configurations in a loop reactor
CHEVRON PHILLIPS CHEMICAL CO6 citations84
US9382348B2Jul 5, 2016
System and method for polymerization
CHEVRON PHILLIPS CHEMICAL CO4 citations70
US9340629B2May 17, 2016
Polyethylene production with multiple polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO2 citations62
US9079986B2Jul 14, 2015
Polyolefin production with different diluents in multiple polymerization reactors
CHEVRON PHILLIPS CHEMICAL CO0 citations51
EQUISTAR CHEM LP
7 patentsUS6171993B1Jan 9, 2001
Enhanced-impact LLDPE with a shear modifiable network structure
EQUISTAR CHEM LP56 citations94
US6908972B2Jun 21, 2005
Method for making polyolefins
EQUISTAR CHEM LP46 citations92
US6713585B1Mar 30, 2004
Enhanced-impact LLDPE with a shear modifiable network structure
EQUISTAR CHEM LP18 citations91
US6319995B2Nov 20, 2001
Method of feeding dry catalyst to a polymerization reactor
EQUISTAR CHEM LP27 citations86
US6921804B2Jul 26, 2005
Cascaded polyolefin slurry polymerization employing disengagement vessel between reactors
EQUISTAR CHEM LP12 citations82
US5859157AJan 12, 1999
Process for gas phase polymerization of olefins
EQUISTAR CHEM LP19 citations82
US6812183B1Nov 2, 2004
Triple-decker catalysts based on delocalized dianionic ligands
EQUISTAR CHEM LP0 citations52
HOTTOVY JOHN D
1 patentMCDANIEL MAX P
1 patentShowing the top 50 of 51 patents by PatentIndex Score.