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. 24, 2010
Filed:
Jun. 22, 2007
Helene Olivier-bourbigou, Saint Genis-Laval, FR;
Lucien Saussine, Charly, FR;
Lionel Magna, Lyons, FR;
David Proriol, Paris, FR;
Helene Olivier-Bourbigou, Saint Genis-Laval, FR;
Lucien Saussine, Charly, FR;
Lionel Magna, Lyons, FR;
David Proriol, Paris, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
In a method for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst, used in a non-aqueous ionic liquid, liquid at a temperature below 100° C. and comprising at least one cation Qand at least one anion A, said method comprising at least a stage of reaction under pressure and at least a stage of separation of the phases by decantation, recycling of the catalyst is improved: At the end of this process, the organic phase containing the reaction products can be recovered and the ionic liquid phase containing the catalyst can be recycled to the hydroformylation reactor.