Patent ID: 11639321

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 R5 is a (C1-C15) alkyl group, a (C3-C15) cyclohydrocarbyl group, a (C3-C15) cycloheterohydrocarbyl group, or a (C1-C15) aryl group, and RA, RB, RC, RD, RE, RF, RG, RH, R1, R2, R3, R4, R6, R7, R8, and R9 are independently chosen from a hydrogen atom, a (C1-C50) hydrocarbyl group, or a (C1-C50) heterohydrocarbyl group.