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:
Dec. 04, 2007
Filed:
Mar. 15, 2005
Eric Johannes Maria DE Boer, Amsterdam, NL;
Harry Van Der Heijden, Amsterdam, NL;
Wilhelmina Cornelia Verhoef-van Wijk, Amsterdam, NL;
Arie Van Zon, Amsterdam, NL;
Eric Johannes Maria De Boer, Amsterdam, NL;
Harry Van Der Heijden, Amsterdam, NL;
Wilhelmina Cornelia Verhoef-Van Wijk, Amsterdam, NL;
Arie Van Zon, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
Mixed bis-imine pyridine ligands of formula (I), wherein Z, which is different from Z, is an optionally substituted aryl group; and Zcomprises an optionally substituted heterohydrocarbyl moiety, or an optionally substituted aryl group in combination with a metal, said optionally substituted aryl group being π-co-ordinated to the metal; mixed bis-imine pyridine complexes comprising a ligand of formula (I); mixed ionic bis-imine pyridine complexes comprising a ligand of formula (I); and processes for the production of alpha olefins from ethylene, using said complexes.