Inventor
HARLAN C JEFF
US39 patents
⚠️ This page may combine multiple inventors who share the name “HARLAN C JEFF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIVATION TECH LLC
36 patentsUS9234060B2Jan 12, 2016
Methods of preparing a catalyst system
UNIVATION TECH LLC28 citations93
US9902790B2Feb 27, 2018
Producing polyolefin products
UNIVATION TECH LLC11 citations92
US9879106B2Jan 30, 2018
Producing polyolefin products
UNIVATION TECH LLC8 citations92
US9809667B2Nov 7, 2017
Producing polyolefin products
UNIVATION TECH LLC8 citations92
US10189923B2Jan 29, 2019
Producing polyolefin products
UNIVATION TECH LLC2 citations84
US10538604B2Jan 21, 2020
Catalysts for control of long chain branching
UNIVATION TECH LLC4 citations82
US9932426B2Apr 3, 2018
Producing polyolefin products
UNIVATION TECH LLC2 citations82
US11708438B2Jul 25, 2023
Method of producing polyethylene and polyethylene thereof
UNIVATION TECH LLC0 citations73
US11034783B2Jun 15, 2021
Method of producing polyethylene and polyethylene thereof
UNIVATION TECH LLC1 citations73
US10604606B2Mar 31, 2020
Producing polyolefin products
UNIVATION TECH LLC1 citations73
US10253121B2Apr 9, 2019
Method of producing polyethylene and polyethylene thereof
UNIVATION TECH LLC1 citations73
US10239977B2Mar 26, 2019
Producing polyolefin products
UNIVATION TECH LLC1 citations73
US10233270B2Mar 19, 2019
Fluorinated catalyst supports and catalyst systems
UNIVATION TECH LLC3 citations73
US10865259B2Dec 15, 2020
Producing polyolefin products
UNIVATION TECH LLC2 citations72
US11661466B2May 30, 2023
Producing polyolefin products
UNIVATION TECH LLC0 citations71
US11208512B2Dec 28, 2021
Bimodal polyethylene resins
UNIVATION TECH LLC2 citations71
US11142598B2Oct 12, 2021
Producing polyolefin products
UNIVATION TECH LLC0 citations71
US10654029B2May 19, 2020
Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
UNIVATION TECH LLC3 citations71
US10421829B2Sep 24, 2019
Producing polyolefin products
UNIVATION TECH LLC1 citations71
US10392456B2Aug 27, 2019
Producing polyolefin products
UNIVATION TECH LLC1 citations71
US11414505B2Aug 16, 2022
Producing polyolefin products
UNIVATION TECH LLC0 citations62
US11203609B2Dec 21, 2021
Metal complexes
UNIVATION TECH LLC0 citations62
US10815255B2Oct 27, 2020
Synthesis of benzyloxyphenoxy phenol ligands
UNIVATION TECH LLC1 citations62
US10266557B2Apr 23, 2019
Method for synthesis of monocyclopentadienyl complexes of zirconium and hafnium
UNIVATION TECH LLC1 citations62
US11028191B2Jun 8, 2021
Polymerization catalysts with improved ethylene enchainment
UNIVATION TECH LLC0 citations61
US11608396B2Mar 21, 2023
Catalysts for control of long chain branching
UNIVATION TECH LLC0 citations60
US10975174B2Apr 13, 2021
Catalysts for control of long chain branching
UNIVATION TECH LLC0 citations60
US10626134B2Apr 21, 2020
Method for synthesis of monocyclopentadienyl complexes of zirconium and hafnium
UNIVATION TECH LLC0 citations52
US10519095B2Dec 31, 2019
Synthesis of benzylanilinyl phenyl phenol ligands
UNIVATION TECH LLC0 citations52
US10208139B2Feb 19, 2019
Fluorinated catalyst supports and catalyst systems
UNIVATION TECH LLC0 citations52
US10189917B2Jan 29, 2019
Fluorinated catalyst supports and catalyst systems
UNIVATION TECH LLC0 citations52
US9604893B2Mar 28, 2017
Protecting phenol groups
UNIVATION TECH LLC0 citations52
US11203651B2Dec 21, 2021
Method of determining a relative decrease in catalytic efficacy of a catalyst in a catalyst solution
UNIVATION TECH LLC0 citations51
US10195589B2Feb 5, 2019
Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
UNIVATION TECH LLC0 citations51
US10239809B2Mar 26, 2019
Methods for preparing bridged bi-aromatic ligands
UNIVATION TECH LLC0 citations38
US10730966B2Aug 4, 2020
Metal complexes
UNIVATION TECH LLC0 citations34