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:
Dec. 20, 2022
Filed:
Nov. 22, 2021
Saudi Arabian Oil Company, Dhahran, SA;
King Fahd University of Petroleum and Minerals, Dhahran, SA;
E A Jaseer, Dhahran, SA;
Samir Barman, West Bengal, IN;
Nestor Garcia Villalta, Saragossa, ES;
Motaz Khawaji, Thuwal, SA;
Wei Xu, 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 including a chromium compound coordinated with a ligand and a co-catalyst including an organoaluminum compound. The ligand may have a chemical structure: (R)(R)A-X—C(R)(R). A and C may be phosphorus. X may be B(R), Si(R), N(R), wherein Ris an aryl group substituted with a halogen, halogenated alkyl or a silyl group, and wherein B, or N, or Si is bound to A and C. R, R, R, and Rmay be independently chosen hydrocarbyl groups or heterohydrocarbyl groups.