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:
Nov. 01, 2022
Filed:
Nov. 22, 2021
Saudi Arabian Oil Company, Dhahran, 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 suitable for tetramerizing ethylene to form 1-octene may include a catalyst comprising a chromium compound coordinated with a ligand and a co-catalyst comprising an organoaluminum compound. The ligand may include have a chemical structure according to formula (I), wherein at least one of R, R, R, R, R, R, R, R, R, R, R, and Rhave the structure according to formula (II) wherein R, R, R, and Rand the remainder of R, R, R, R, R, R, R, R, R, R, R, and Rare independently chosen from a hydrogen or a (C-C) hydrocarbyl group.