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:
Mar. 21, 2000
Filed:
May. 27, 1998
Helene Olivier, Rueil Malmaison, FR;
Dominique Commereuc, Meudon, FR;
Sebastien Drochon, Rueil Malmaison, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
Process for liquid-phase hydroformylation of at least one olefin by carbon oxide and hydrogen oxide in the presence of a catalytic composition that contains at least one compound of a transition metal, at least one phosphine oxide, and at least one organic-inorganic salt that does not contain tin or germanium; said salt is a quaternary ammonium salt and/or a quaternary phosphonium salt of general formula Q.sup.+ A.sup.-, in which Q.sup.+ represents an ammonium and/or a quaternary phosphonium and A.sup.- represents an anion. The process applies in particular to internal olefins.