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:
Jul. 15, 2014
Filed:
Nov. 05, 2008
Vugar Aliyev, Riyadh, SA;
Mohammed Al-hazmi, Riyadh, SA;
Fuad Mosa, Riyadh, SA;
Peter M. Fritz, Unterhaching, DE;
Heinz Bölt, Wolfratshausen, DE;
Anina Wöhl, Pullach, DE;
Wolfgang Müller, Munich, DE;
Florian Winkler, Munich, DE;
Anton Wellenhofer, Hohenschäftlarn, DE;
Uwe Rosenthal, Lambrechtshagen, DE;
Bernd H. Müller, Rostock, DE;
Marko Hapke, Rostock, DE;
Normen Peulecke, Rostock, DE;
Vugar Aliyev, Riyadh, SA;
Mohammed Al-Hazmi, Riyadh, SA;
Fuad Mosa, Riyadh, SA;
Peter M. Fritz, Unterhaching, DE;
Heinz Bölt, Wolfratshausen, DE;
Anina Wöhl, Pullach, DE;
Wolfgang Müller, Munich, DE;
Florian Winkler, Munich, DE;
Anton Wellenhofer, Hohenschäftlarn, DE;
Uwe Rosenthal, Lambrechtshagen, DE;
Bernd H. Müller, Rostock, DE;
Marko Hapke, Rostock, DE;
Normen Peulecke, Rostock, DE;
Saudi Basic Industries Corporation, Riyadh, SA;
Linde AG, , DE;
Abstract
The present invention relates to a catalyst composition comprising: (a) a binuclear chromium(II) complex; (b) a ligand of the general structure (A) RRP—N(R)—P(R)—N(R)—H or (B) RRP—N(R)—P(R)—N(R)—PRR, wherein R, R, R, R, R, Rand Rare independently selected from halogen, amino, trimethylsilyl, C-C-alkyl, aryl and substituted aryl, wherein the PNPN- or PNPNP-unit is optionally part of a ring system; and (c) an activator or co-catalyst, as well as to a process for oligomerization of ethylene.