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:
Oct. 25, 2011
Filed:
Jul. 27, 2010
Applicants:
Wolfgang Wenger, Visp, CH;
Andreas Heyl, Termen, CH;
Lothar Ott, Visp, CH;
Herbert Vogel, Nauheim, DE;
Paul Hanselmann, Brig-Glis, CH;
Gökhan Aras, Babenhausen, DE;
Inventors:
Wolfgang Wenger, Visp, CH;
Andreas Heyl, Termen, CH;
Lothar Ott, Visp, CH;
Herbert Vogel, Nauheim, DE;
Paul Hanselmann, Brig-Glis, CH;
Gökhan Aras, Babenhausen, DE;
Assignee:
Lonza Ltd., Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/61 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the selective preparation of acetaldehyde, characterized in that acrolein and one or more ammonium salts dissolved in water are reacted continuously under high pressures and at temperatures of 300-400° C.