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:
Feb. 18, 2014
Filed:
Aug. 10, 2006
Vugar O. Aliyev, Riyadh, SA;
Atieh Abu-raqabah, Riyadh, SA;
Mohammad Zahoor, Riyadh, SA;
Saudi Basic Industries Corporation, Riyadh, SA;
Abstract
The present invention relates to a process for the preparation of linear low molecular weight alpha-olefins having 4 to 24 carbon atoms, comprising oligomerizing ethylene in an inert solvent in the presence of a catalyst system comprising: (i) zirconium carboxylate of the formula (RCOO)ZrCl, wherein Ris saturated or unsaturated aliphatic C-Chydrocarbon or aromatic C-Chydrocarbon and m fulfills 1≦m≦4, (ii) at least one aluminum compound selected from organoaluminum compounds of the formula RAlX, wherein Ris C-Calkyl, X is chlorine, bromine or iodine, and n fulfills 1≦n≦2, and/or aluminoxanes, and (iii) at least two different additives selected from the group consisting of hydrogen, esters, ketones, ethers, amines, anhydrides, phosphines and sulfur compounds; as well as to a catalyst used therein.