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. 16, 2014
Filed:
May. 14, 2009
Applicants:
Petrus Van Leeuwen, Kockengen, NL;
Mathieu Tschan, Tarragona, ES;
Eduardo Jose Garcia-suarez, Oviedo, ES;
Zoraida Freixa, Tarragona, ES;
Henk Hagen, Terneuzen, NL;
Inventors:
Petrus Van Leeuwen, Kockengen, NL;
Mathieu Tschan, Tarragona, ES;
Eduardo Jose Garcia-Suarez, Oviedo, ES;
Zoraida Freixa, Tarragona, ES;
Henk Hagen, Terneuzen, NL;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/28 (2006.01); C07F 9/02 (2006.01); C07C 5/00 (2006.01); C07C 2/24 (2006.01); C07C 2/34 (2006.01); C07C 2/02 (2006.01); C07F 9/655 (2006.01);
U.S. Cl.
CPC ...
C07F 9/65522 (2013.01);
Abstract
A phosphine ligand suitable for use in telomerizing butadiene comprises two phenyl groups and a xanthene moiety.