Catalyst systems

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United States of America Patent

PATENT NO 11529622
APP PUB NO 20220288573A1
SERIAL NO

17532257

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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: (R1)(R2)A-X—C(R3)(R4). A and C may be phosphorus. X may be B(R5), Si(R5)2, N(R5), wherein R5 is 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. R1, R2, R3, and R4 may be independently chosen hydrocarbyl groups or heterohydrocarbyl groups.

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Patent Owner(s)

Patent OwnerAddress
SAUDI ARABIAN OIL COMPANY1 EASTERN AVENUE DHAHRAN 31311

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barman, Samir West Bengal, IN 3 0
Jaseer, E A Dhahran, SA 1 0
Khawaji, Motaz Thuwal, SA 17 56
Villalta, Nestor Garcia Saragossa, ES 2 0
Xu, Wei Thuwal, SA 846 7441

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