Inventor
David M. PEARSON
Inventor
US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds37%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%
Y02PClimate change mitigation technologies in the production or processing of goods16%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
C07CAcyclic or carbocyclic compounds9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds2%
PatentTitleYear
12,595,322Gas-phase biphenylphenol polymerization catalysts202612,497,471Alkene functionalized activators and their use in electrical applications202512,492,270Spray-dried catalysts containing a germanium-bridged bis-biphenyl-phenoxy organometallic compound for making ethylene-based copolymers202512,473,383Transition metal catalysts for olefin polymerization202512,466,901Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation procatalyst202512,428,502Catalyst systems and processes for producing polyethylene using the same202512,428,504Biphenylphenol polymerization catalysts202512,365,750Polymerization catalysts for production of polyethylene with high molecular weight202512,344,695Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation catalyst202512,252,573Heterocycle-heterocycle-based group IV transition metal catalysts for olefin polymerization202512,215,181Anionic group III complexes as weakly coordinating anions for olefin polymerization catalyst activators202511,896,965Chromium complex and catalyst therefrom202411,623,209Process for oligomerization202311,542,350Binuclear olefin polymerization activators202311,491,474Chromium complex and catalyst therefrom202211,447,584Olefin polymerization activators202211,447,586Olefin polymerization activators202211,421,051Zirconocene-titanocene catalyst system202211,260,381Process for oligomerization202211,155,658Mixed catalyst systems for producing multimodal elastomers2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (19)· patent assignee history
2021–2026Based in US· patent location history
2025Patents assigned to TEXAS A & M UNIV SYS (1)· patent assignee history
2026Patents assigned to DOW GLOBAL TECH LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW GLOBAL TECHNOLOGIES LLC | 19 | 2021–2025 |
| DOW GLOBAL TECH LLC | 1 | 2026 |
| TEXAS A & M UNIV SYS | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 20 | 2021–2026 |