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:
Jan. 28, 2014
Filed:
Aug. 05, 2011
Applicants:
Eric Johannes Maria DE Boer, Amsterdam, NL;
Harry Van Der Heijden, Amsterdam, NL;
Quoc an on, Amsterdam, NL;
Johan Paul Smit, Amsterdam, NL;
Arie Van Zon, Amsterdam, NL;
Inventors:
Eric Johannes Maria De Boer, Amsterdam, NL;
Harry Van Der Heijden, Amsterdam, NL;
Quoc An On, Amsterdam, NL;
Johan Paul Smit, Amsterdam, NL;
Arie Van Zon, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/78 (2006.01); B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (IV);(R)(R)P—N(R)—P(R)  (IV).