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:
Jul. 16, 2024
Filed:
Dec. 20, 2022
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Ea Jaseer, Kanuur, IN;
Samir Barman, Midnapore West, IN;
Nestor Garcia Villalta, Saragossa, ES;
Motaz Khawaji, Thuwal, SA;
Wei Xu, Thuwal, SA;
King Fahd University of Petroleum and Minerals, Thuwal, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
A catalyst system is disclosed. The catalyst system may include a pre-catalyst and a co-catalyst. The pre-catalyst includes one or more chromium compounds coordinated with a ligand. The co-catalyst includes one or more organoaluminum compounds, wherein: the ligand has a structure according to formula (I): In formula (I), R, R, R, and Rare independently chosen from (C-C) aryl, optionally substituted with one or more R, wherein Ris a (C-C) hydrocarbyl or a (C-C) heterohydrocarbyl. In formula (I), Ris a (C-C) aryl or a (C-C) heteroaryl, optionally substituted with one or more R, wherein Ris a (C-C) hydrocarbyl or a (C-C) heterohydrocarbyl, provided that Ris not naphthyl or triptycenyl.