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:
Aug. 28, 2012
Filed:
Mar. 04, 2009
Vugar Aliyev, Riyadh, SA;
Mohammed Al-hazmi, Riyadh, SA;
Fuad Mosa, Riyadh, SA;
Uwe Rosenthal, Lambrechtshagen, DE;
Bernd H. Müller, Rostock, DE;
Marko Hapke, Rostock, DE;
Normen Peulecke, Wismar, DE;
Anina Wöhl, Pullach, DE;
Peter M. Fritz, Unterhaching, DE;
Heinz Bölt, Wolfratshausen, DE;
Wolfgang Müller, Munich, DE;
Florian Winkler, Munich, DE;
Anton Wellenhofer, Munich, DE;
Vugar Aliyev, Riyadh, SA;
Mohammed Al-Hazmi, Riyadh, SA;
Fuad Mosa, Riyadh, SA;
Uwe Rosenthal, Lambrechtshagen, DE;
Bernd H. Müller, Rostock, DE;
Marko Hapke, Rostock, DE;
Normen Peulecke, Wismar, DE;
Anina Wöhl, Pullach, DE;
Peter M. Fritz, Unterhaching, DE;
Heinz Bölt, Wolfratshausen, DE;
Wolfgang Müller, Munich, DE;
Florian Winkler, Munich, DE;
Anton Wellenhofer, Munich, DE;
Saudi Basic Industries Corporation, Riyadh, SA;
Linde AG, Munich, DE;
Abstract
The present invention relates to a catalyst for oligomerization of ethylene, comprising a functionalized solid support; a ligand immobilized on the solid support by chemical bonding, wherein the immobilized ligand has the structure (R)(R)P—N(R)—P(R)—Y-support or (R)(R)P—N(R)—P(R)—N(R)—P(R)—Y-support, wherein R, R, R, R, Rand Rare independently selected from aliphatic group, aryl group, amino group and trimethylsilyl group and Y is the functional group of the support or a derivative thereof; and a chromium compound reacted with the ligand; and to a method for its preparation and a process for oligomerization of ethylene utilizing the catalyst.