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. 07, 2007
Filed:
Mar. 02, 2004
Juergen Herwig, Huenxe, DE;
Norbert Wilczok, Muelheim, DE;
Martin Roos, Haltern am See, DE;
Rudolf Burghardt, Recklinghausen, DE;
Johann Gaube, Rossdorf, DE;
Georg Oenbrink, Duelmen, DE;
Bernd Guenzel, Haltern am See, DE;
Juergen Herwig, Huenxe, DE;
Norbert Wilczok, Muelheim, DE;
Martin Roos, Haltern am See, DE;
Rudolf Burghardt, Recklinghausen, DE;
Johann Gaube, Rossdorf, DE;
Georg Oenbrink, Duelmen, DE;
Bernd Guenzel, Haltern am See, DE;
Degussa AG, Duesseldorf, DE;
Abstract
A process for preparing cyclododecene by selective gas-phase hydrogenation of at least one starting material selected from cyclododecatriene, cyclododecadiene and mixtures thereof, wherein the starting material present in the gas phase is hydrogenated in the presence of a catalyst in a fixed-bed reactor and the Bodenstein number for the process is greater than 100.