公开(公告)号：US10421064B2

公开(公告)日：2019-09-24

申请号：US15326781

申请日：2015-07-22

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Mohammed H. Al-Hazmi ,  Abdullah Alqahtani ,  Uwe Rosenthal ,  Bernd H. Muller ,  Normen Peulecke ,  Marco Harff ,  Anina Wohl ,  Andreas Meiswinkel ,  Heinz Bolt ,  Wolfgang Muller

IPC: B01J31/18 ,  B01J31/14 ,  C07C2/32

Abstract: The present invention relates to a catalyst composition and a process for the oligomerization of ethylene to produce 1-hexene or 1-octene, wherein the catalyst composition comprises a chromium compound; an NPNPN ligand of the formula (R1) (R2)N—P(R3)—N(R4)—P(R5)—N(R6)(R7), wherein R1, R2, R3, R4, R5, R6 and R7 are each independently hydrogen, halogen, amino, trimethylsilyl or C1-C20 hydrocarbyl, preferably straight-chain or branched C1-C10 alkyl, phenyl, C6-C20 aryl or C6-C20 alkyl-substituted phenyl.