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. 20, 2007
Filed:
Dec. 02, 2005
Applicants:
Hans-gerd Lueken, Marl, DE;
Alfred Kaizik, Marl, DE;
Stefan Drees, Duelmen, DE;
Wilfried Bueschken, Haltern am See, DE;
Wilhelm Droste, Marl, DE;
Inventors:
Hans-Gerd Lueken, Marl, DE;
Alfred Kaizik, Marl, DE;
Stefan Drees, Duelmen, DE;
Wilfried Bueschken, Haltern am See, DE;
Wilhelm Droste, Marl, DE;
Assignee:
Oxeno Olefinchemie GmbH, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the catalytic hydroformylation of olefins having from 6 to 24 carbon atoms, in which the hydroformylation is carried out in one or more stage(s) and a mixture comprising at least one olefin and an aldehyde in a molar ratio of aldehyde to olefin of from 0.005:1 to 0.2:1 is used as feed in at least one of these stages which is carried out in the presence of an unmodified cobalt complex as catalyst.