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:
Oct. 30, 2018
Filed:
Sep. 05, 2013
Saudi Basic Industries Corporation, Riyadh, SA;
Linde Ag, Munich, DE;
Shahid Majeed Azam, Riyadh, SA;
Abduljelil Iliyas, Riyadh, SA;
Abdullah Mohammad Alqahtani, Riyadh, SA;
Shehzada Khurram, Riyadh, SA;
Anina Wöhl, Munich, DE;
Wolfgang Müller, Munich, DE;
Marco Harff, Munich, DE;
Andreas Meiswinkel, Prien, DE;
Heinz Bölt, Wolfratshausen, DE;
SAUDI BASIC INDUSTRIES CORPORATION, Riyadh, SA;
Abstract
The present invention relates to a process for the oligomerization of ethylene, comprising: a) oligomerization of ethylene in a reactor in the presence of solvent and catalyst; b) transferring reactor overhead effluent to an externally located cooling device and recycling condensed effluent into the reactor; c) transferring the reactor bottom effluent to a series of fractionation columns and, in the following order, i) optionally separating a Cfraction, ii) separating a Cfraction, iii) simultaneously separating Cand Cfractions and recycling thereof into the reactor , and iv) separating residues comprising ≥Cfractions, spent catalyst polymer material and quench media, from the process, wherein the solvent is separated in any of the steps i)-iv)and/or in an additional step.