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:
Feb. 07, 2006
Filed:
Sep. 03, 2003
Applicants:
Hans Bohnen, Moers, DE;
Jurgen Herwig, Hunxe, DE;
Dietmar Hoff, Wuppertal, DE;
Peter Wasserscheid, Cologne, DE;
Roy Van Hal, Schinveld, NL;
Inventors:
Hans Bohnen, Moers, DE;
Jurgen Herwig, Hunxe, DE;
Dietmar Hoff, Wuppertal, DE;
Peter Wasserscheid, Cologne, DE;
Roy van Hal, Schinveld, NL;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/49 (2006.01); C07C 45/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a hydroformylation method by conversion of olefins or olefinically unsaturated compounds in the presence of at least one rhodium compound and in the presence of sulfonated arylphosphines in ionic liquids, which are based on a quaternary singly-charged ammonium ion or the equivalent of a multiply charged ammonium ion and organic sulfonates or sulfates.