The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 2023
Filed:
Aug. 31, 2022
Saudi Arabian Oil Company, Dharhan, SA;
King Fahd University of Petroleum and Minerals, Dhahran, SA;
EA Jaseer, Dhahran, SA;
Samir Barman, Dhahran, SA;
Nestor Garcia Villalta, Dhahran, SA;
Motaz Khawaji, Thuwal, SA;
Wei Xu, Thuwal, SA;
Fahad Almalki, Thuwal, SA;
Saudi Arabian Oil Company, Dhahran, SA;
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Abstract
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, R, and Rare each independently chosen from a (C-C) hydrocarbyl group or a (C-C) heterohydrocarbyl group, and wherein the (C-C) hydrocarbyl or (C-C) heterohydrocarbyl groups of R, R, and Rhave greater than 10 carbon atoms combined and R, R, R, and Rand R, R, R, and R, are independently chosen from a hydrogen atom or a (C-C) hydrocarbyl group.