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:
Aug. 03, 2010
Filed:
Aug. 10, 2009
Marijke DE Boer-wildschut, Amsterdam, NL;
Manutsavin Charernsuk, Bristol, GB;
Cornelia Alida Krom, Amsterdam, NL;
Monica Carreira Mendez, Clifton Bristol, GB;
Wilhelmus Petrus Mul, Amsterdam, NL;
Paul Gerard Pringle, Bristol, GB;
Marijke De Boer-Wildschut, Amsterdam, NL;
Manutsavin Charernsuk, Bristol, GB;
Cornelia Alida Krom, Amsterdam, NL;
Monica Carreira Mendez, Clifton Bristol, GB;
Wilhelmus Petrus Mul, Amsterdam, NL;
Paul Gerard Pringle, Bristol, GB;
Shell Oil Company, Houston, TX (US);
Abstract
According to the present invention, there is provided an organophosphine ligand comprising a phosphabicyclohydrocarbyl group in which the phosphorus atom is further substituted with a hydrocarbyl or heterohydrocarbyl moiety containing at least one branch at the β-carbon position. The present invention also provides a catalytic composition for the hydroformylation of an ethylenically unsaturated compound, said catalytic composition comprising i) a source of Group VIII metal cations; and ii) the above ligand. Furthermore, the present invention also provides a process for the hydroformylation of an ethylenically unsaturated compound, said process comprising contacting the ethylenically unsaturated compound with carbon monoxide and hydrogen in the presence the above catalytic composition.