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.

Date of Patent:
Nov. 08, 2016

Filed:

May. 08, 2013
Applicant:

Sasol Technology (Proprietary) Limited, Rosebank, ZA;

Inventors:

Matthew James Overett, Johannesburg, ZA;

Munaka Christopher Maumela, Sasolburg, ZA;

Moses Mokgolela Mogorosi, Sasolburg, ZA;

Hulisani Maumela, Johannesburg, ZA;

Molise Stephen Mokhadinyana, Sasolburg, ZA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/38 (2006.01); C07C 2/36 (2006.01); B01J 31/14 (2006.01); B01J 31/18 (2006.01);
U.S. Cl.
CPC ...
C07C 2/36 (2013.01); B01J 31/143 (2013.01); B01J 31/188 (2013.01); B01J 2231/20 (2013.01); B01J 2531/62 (2013.01); C07C 2531/14 (2013.01); C07C 2531/24 (2013.01); C07C 2531/34 (2013.01); Y02P 20/52 (2015.11);
Abstract

A process for the tetramerisation of ethylene under solution phase conditions is carried out in the presence of an activated catalyst at a temperature above 80° C. and up to a temperature of about 130° C. The activated catalyst is provided by combining a source of chromium, a ligating compound, which ligating compound includes at least one fluorine substituted hydrocarbyl group, organoheteryl group, or heterohydrocarbyl group, and optionally a catalyst activator or combination of catalyst activators.


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