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:
Jan. 08, 2008
Filed:
Aug. 07, 2003
Applicants:
Oliver Möller, Recklinghausen, DE;
Dirk Fridag, Haltern am See, DE;
Cornelia Borgmann, Frankfurt, DE;
Dieter Hess, Marl, DE;
Klaus-diether Wiese, Haltern am See, DE;
Inventors:
Oliver Möller, Recklinghausen, DE;
Dirk Fridag, Haltern am See, DE;
Cornelia Borgmann, Frankfurt, DE;
Dieter Hess, Marl, DE;
Klaus-Diether Wiese, Haltern am See, DE;
Assignee:
OXENO Olefinchemie GmbH, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing aldehydes by hydroformylation of olefinically unsaturated compounds catalyzed by metals of groups 8 to 10 of the Periodic Table of the Elements in the presence of cyclic carbonic esters and ligands which contain no sulfonic acid or sulfonate group.