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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.:

US 9181169 B1

PDFFull Text
Date of Patent:
Nov. 10, 2015

Filed:

May. 07, 2013

Process for heterogeneously catalyzed gas phase partial oxidation of (meth)acrolein to (meth)acrylic acid

Applicant:

Basf SE, Ludwigshafen, DE;

Inventors:

Cathrin Alexandra Welker-Nieuwoudt, Birkenheide, DE;

Andrey Karpov, Metuchen, NJ (US);

Frank Rosowski, Berlin, DE;

Klaus Joachim Mueller-Engel, Stutensee, DE;

Herbert Vogel, Nauheim, DE;

Alfons Drochner, Niedernhausen, DE;

Nina Blickhan, Babenhausen, DE;

Nadine Duerr, Alsbach-Haehnlein, DE;

Tim Jekewitz, Frankfurt, DE;

Nadine Menning, Darmstadt, DE;

Tina Petzold, Darmstadt, DE;

Sabine Schmidt, Darmstadt, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Yevegeny Valenrod

Assistant Examiner:

Blaine G Doletski

Int. Cl.
CPC ...
C07C 51/16 (2006.01); B01J 23/30 (2006.01); B01J 23/888 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 35/10 (2006.01); B01J 37/00 (2006.01); B01J 37/02 (2006.01); B01J 37/04 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); B01J 37/10 (2006.01); C01G 39/00 (2006.01); C01G 41/00 (2006.01); C08F 220/06 (2006.01); C07C 51/25 (2006.01); B01J 37/03 (2006.01); B01J 23/00 (2006.01); C07C 51/235 (2006.01);
U.S. Cl.
CPC ...
C07C 51/16 (2013.01); B01J 23/002 (2013.01); B01J 23/30 (2013.01); B01J 23/8885 (2013.01); B01J 35/002 (2013.01); B01J 35/023 (2013.01); B01J 35/1014 (2013.01); B01J 37/0009 (2013.01); B01J 37/0036 (2013.01); B01J 37/0045 (2013.01); B01J 37/0221 (2013.01); B01J 37/0223 (2013.01); B01J 37/033 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/08 (2013.01); B01J 37/10 (2013.01); C01G 39/00 (2013.01); C01G 41/006 (2013.01); C07C 51/235 (2013.01); C07C 51/252 (2013.01); C08F 220/06 (2013.01); B01J 2523/00 (2013.01); C01P 2002/72 (2013.01); C01P 2006/12 (2013.01);
Abstract

A process for preparing (meth)acrylic acid by heterogeneously catalyzed gas phase partial oxidation of (meth)acrolein over a multimetal oxide composition which comprises the elements Mo, V and W and is obtained by a hydrothermal preparation route, and the multimetal oxide composition obtainable by this preparation route.

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