Inventor
PEARSON DAVID M
US30 patents
⚠️ This page may combine multiple inventors who share the name “PEARSON DAVID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOW GLOBAL TECHNOLOGIES LLC
29 patentsUS11260381B2Mar 1, 2022
Process for oligomerization
DOW GLOBAL TECHNOLOGIES LLC1 citations72
US10351646B2Jul 16, 2019
Polyolefin composition and method of producing the same
DOW GLOBAL TECHNOLOGIES LLC6 citations72
US10207262B2Feb 19, 2019
Chromium complex and catalyst therefrom
DOW GLOBAL TECHNOLOGIES LLC1 citations72
US11155658B2Oct 26, 2021
Mixed catalyst systems for producing multimodal elastomers
DOW GLOBAL TECHNOLOGIES LLC4 citations71
US11896965B2Feb 13, 2024
Chromium complex and catalyst therefrom
DOW GLOBAL TECHNOLOGIES LLC0 citations61
US11623209B2Apr 11, 2023
Process for oligomerization
DOW GLOBAL TECHNOLOGIES LLC0 citations61
US11491474B2Nov 8, 2022
Chromium complex and catalyst therefrom
DOW GLOBAL TECHNOLOGIES LLC0 citations61
US11447586B2Sep 20, 2022
Olefin polymerization activators
DOW GLOBAL TECHNOLOGIES LLC1 citations61
US10981156B2Apr 20, 2021
Chromium complex and catalyst therefrom
DOW GLOBAL TECHNOLOGIES LLC0 citations61
US10919031B2Feb 16, 2021
Process for oligomerization
DOW GLOBAL TECHNOLOGIES LLC0 citations61
US12492270B2Dec 9, 2025
Spray-dried catalysts containing a germanium-bridged bis-biphenyl-phenoxy organometallic compound for making ethylene-based copolymers
DOW GLOBAL TECHNOLOGIES LLC0 citations60
US12428502B2Sep 30, 2025
Catalyst systems and processes for producing polyethylene using the same
DOW GLOBAL TECHNOLOGIES LLC0 citations60
US12365750B2Jul 22, 2025
Polymerization catalysts for production of polyethylene with high molecular weight
DOW GLOBAL TECHNOLOGIES LLC0 citations60
US12344695B2Jul 1, 2025
Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation catalyst
DOW GLOBAL TECHNOLOGIES LLC0 citations60
US12497471B2Dec 16, 2025
Alkene functionalized activators and their use in electrical applications
DOW GLOBAL TECHNOLOGIES LLC0 citations54
US12466901B2Nov 11, 2025
Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation procatalyst
DOW GLOBAL TECHNOLOGIES LLC0 citations52
US10702861B2Jul 7, 2020
Process for oligomerization
DOW GLOBAL TECHNOLOGIES LLC0 citations51
US10376869B2Aug 13, 2019
Process for oligomerization
DOW GLOBAL TECHNOLOGIES LLC0 citations51
US10357764B2Jul 23, 2019
Phosphacycle compound and process for production thereof
DOW GLOBAL TECHNOLOGIES LLC0 citations51
US10160817B2Dec 25, 2018
Ethylene based interpolymers and composition comprising the same
DOW GLOBAL TECHNOLOGIES LLC0 citations51
US12215181B2Feb 4, 2025
Anionic group III complexes as weakly coordinating anions for olefin polymerization catalyst activators
DOW GLOBAL TECHNOLOGIES LLC0 citations50
US11542350B2Jan 3, 2023
Binuclear olefin polymerization activators
DOW GLOBAL TECHNOLOGIES LLC0 citations50
US11447584B2Sep 20, 2022
Olefin polymerization activators
DOW GLOBAL TECHNOLOGIES LLC0 citations50
US11421051B2Aug 23, 2022
Zirconocene-titanocene catalyst system
DOW GLOBAL TECHNOLOGIES LLC0 citations50
US11168155B2Nov 9, 2021
Phosphoramidate catalysts for ethylene-based interpolymers
DOW GLOBAL TECHNOLOGIES LLC0 citations50
US12428504B2Sep 30, 2025
Biphenylphenol polymerization catalysts
DOW GLOBAL TECHNOLOGIES LLC0 citations49
US12473383B2Nov 18, 2025
Transition metal catalysts for olefin polymerization
DOW GLOBAL TECHNOLOGIES LLC0 citations47
US12252573B2Mar 18, 2025
Heterocycle-heterocycle-based group IV transition metal catalysts for olefin polymerization
DOW GLOBAL TECHNOLOGIES LLC0 citations47
US9862734B2Jan 9, 2018
Metal-ligand complex, olefin polymerization catalyst derived therefrom, and olefin polymerization method utilizing the catalyst
DOW GLOBAL TECHNOLOGIES LLC0 citations41