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. 07, 2015
Filed:
Dec. 19, 2013
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Eric Johannes Maria De Boer, Amsterdam, NL;
Harry Van Der Heijden, Amsterdam, NL;
Quoc An On, Amsterdam, NL;
John Smit, Amsterdam, NL;
Arie Von Zon, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/02 (2006.01); C07C 2/34 (2006.01); B01J 31/02 (2006.01); B01J 31/18 (2006.01); C07F 9/535 (2006.01); C07F 9/6571 (2006.01); C07F 11/00 (2006.01);
U.S. Cl.
CPC ...
C07C 2/34 (2013.01); B01J 31/0265 (2013.01); B01J 31/189 (2013.01); B01J 2231/14 (2013.01); B01J 2231/20 (2013.01); B01J 2531/62 (2013.01); B01J 2531/64 (2013.01); B01J 2531/66 (2013.01); C07F 9/5355 (2013.01); C07F 9/6571 (2013.01); C07F 9/657154 (2013.01); C07F 11/005 (2013.01); C08F 110/02 (2013.01);
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).