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US Patent 11639321 Catalyst systems that include meta-alkoxy substituted n-aryl bis-diphosphinoamine ligands

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Wei Xu0

Motaz Khawaji0

Nestor Garcia Villalta0

Samir Barman0

E A Jaseer0

Fahad Almalki0

Date of Patent

May 2, 2023

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Patent Application Number

179003510

Date Filed

August 31, 2022

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Patent Citations

US Patent 10471416 Method for oligomerizing an olefin

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US Patent 10947256 Ligand compound, organic chromium compound, catalyst system for olefin oligomerizatin, and method for oligomerizing olefin using same

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US Patent 10280125 Process for selective ethylene oligomerization with antifouling components

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US Patent 10745426 Ligand compound, organic chromium compound, catalyst system for olefin oligomerization, and method for oligomerizing olefin using same

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Patent Primary Examiner

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Catalyst systems for tetramerizing ethylene to form 1-octene may include a catalyst which may include a chromium compound coordinated with a ligand and a co-catalyst which may include an organoaluminum compound. The ligand may have a chemical structure according to Chemical Structure (I), wherein R

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