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:
Jun. 17, 2008
Filed:
Sep. 19, 2006
Catharina Klanner, Mannheim, DE;
Martin Dieterle, Mannheim, DE;
Goetz-peter Schindler, Ludwigshafen, DE;
Tsung-chieh Cheng, Heppenheim, DE;
Klaus Joachim Mueller-engel, Stutensee, DE;
Catharina Klanner, Mannheim, DE;
Martin Dieterle, Mannheim, DE;
Goetz-Peter Schindler, Ludwigshafen, DE;
Tsung-Chieh Cheng, Heppenheim, DE;
Klaus Joachim Mueller-Engel, Stutensee, DE;
BASF Aktiengesellschaft, Ludwigschafen, DE;
Abstract
A process for preparing acrolein or acrylic acid or a mixture thereof from propane, in which propane is dehydrogenated under heterogeneous catalysis in a reaction zone A and the propylene formed is partially oxidized heterogeneously in a reaction zone, reaction zone A being operated in loop mode and reaction gas mixture input stream A fed to the reaction zone A comprising added molecular hydrogen which is added to this input stream as late as possible.