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:
Apr. 10, 2007
Filed:
Feb. 18, 2003
Eit Drent, Amsterdam, NL;
Renata Helena Van Der Made, Amsterdam, NL;
Robert Ian Pugh, Amsterdam, NL;
Paul Gerard Pringle, Bristol, GB;
Eit Drent, Amsterdam, NL;
Renata Helena Van Der Made, Amsterdam, NL;
Robert Ian Pugh, Amsterdam, NL;
Paul Gerard Pringle, Bristol, GB;
Shell Oil Company, Houston, TX (US);
Abstract
A process for the carbonylation of an ethylenically unsaturated compound with carbon monoxide and a co-reactant. The carbonylation reaction is carried out in the presence of a novel catalyst involving: wherein Rrepresents a bivalent radical that together with the phosphorus atom to which it is attached is an optionally substituted 2-phospha-tricyclo[3.3.1.1{3,7}]- decyl group or a derivative thereof in which one or more of the carbon atoms are replaced by heteroatoms ('2-PA' group); wherein Rand Rindependently represent univalent radicals of up to 20 atoms or jointly form a bivalent radical of up to 20 atoms; and wherein Aand Aindependently represent optionally substituted alkylene groups and R represents an optionally substituted aromatic group; and,