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:
Mar. 04, 2008
Filed:
Jan. 25, 2007
Applicants:
Erhard Franken-stellamans, Niedernhausen, DE;
Mario Fähtz, Villmar, DE;
Klaus Hett, Bad Homburg, DE;
Inventors:
Erhard Franken-Stellamans, Niedernhausen, DE;
Mario Fähtz, Villmar, DE;
Klaus Hett, Bad Homburg, DE;
Assignee:
Celanese Chemicals Europe GmbH, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/27 (2006.01); C07C 45/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A single-stage method for the oxidation of ethylene to acetaldehyde in the presence of an aqueous catalyst solution comprising copper chloride and palladium chloride under maintenance of the circulation of the aqueous catalyst solution in a recycle reactor, comprised of a reactor and a mist trap and which includes an externally applied thermal insulation.