B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/14 (2006.01) B01J 31/18 (2006.01) C07C 2/36 (2006.01) C07F 9/46 (2006.01)
Patent
CA 2692533
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A)R1R2P-N(R3)-P(R4)--N(R5)-H or (B)R1R2P-N(R3-P(R4)-N(R5)-PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
La présente invention concerne une composition de catalyseur et un procédé de di-, tri- et/ou tétramérisation de l'éthylène. La composition de catalyseur comprend un composé de chrome, un ligand ayant la structure générale (A) R1R2P-N(R3)-P(R4)-N(R5)-H ou (B) R1R2P-N(R3-P(R4)-N(R5)-PR6R7, ou tout dérivé cyclique de (A) et de (B), au moins un des atomes P ou N de l'unité PNPN ou de l'unité PNPNP étant un élément d'un système cyclique, le système cyclique étant formé à partir d'un ou de plusieurs composés constituants des structures (A) ou (B) par substitution, et un co-catalyseur ou un activateur.
Al-Hazmi Mohammed Hassan
Aliyev Vugar O.
Boelt Heinz
Fritz Peter M.
Hapke Marko
Linde Ag
Saudi Basic Industries Corporation
Shapiro Cohen
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