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:
Nov. 21, 2017
Filed:
May. 23, 2014
Applicants:
Martin Steffan, Singapore, SG;
Helmut Mueller, Jossgrund, DE;
Philipp Roth, Hanau, DE;
Christoph Weckbecker, Gruendau, DE;
Harald Jakob, Hasselroth, DE;
Inventors:
Martin Steffan, Singapore, SG;
Helmut Mueller, Jossgrund, DE;
Philipp Roth, Hanau, DE;
Christoph Weckbecker, Gruendau, DE;
Harald Jakob, Hasselroth, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/35 (2006.01); C07C 51/00 (2006.01); C07C 51/235 (2006.01); B01J 23/888 (2006.01); B01J 23/889 (2006.01); B01J 23/89 (2006.01); C07C 51/25 (2006.01);
U.S. Cl.
CPC ...
C07C 45/35 (2013.01); B01J 23/8885 (2013.01); B01J 23/8898 (2013.01); B01J 23/8993 (2013.01); C07C 51/235 (2013.01); C07C 51/252 (2013.01);
Abstract
The present invention relates to a process for preparing acrolein from propylene by catalytic gas phase oxidation with molecular oxygen (for example air). The invention further relates to the use of particular propylene-containing starting materials, for example refinery grade propylene, for preparation of acrolein.