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.

Date of Patent:
Jun. 21, 2016

Filed:

Mar. 07, 2012
Applicants:

Markus Winterberg, Datteln, DE;

Christian Böing, Köln, DE;

Dietrich Maschmeyer, Recklinghausen, DE;

Asli Nau, Wetter, DE;

Horst-werner Zanthoff, Mülheim a.d. Ruhr, DE;

Thomas Quandt, Marl, DE;

Christian Schulze Isfort, Kapellen, BE;

Inventors:

Markus Winterberg, Datteln, DE;

Christian Böing, Köln, DE;

Dietrich Maschmeyer, Recklinghausen, DE;

Asli Nau, Wetter, DE;

Horst-Werner Zanthoff, Mülheim a.d. Ruhr, DE;

Thomas Quandt, Marl, DE;

Christian Schulze Isfort, Kapellen, BE;

Assignee:

Evonik Degussa GmbH, Essen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/22 (2006.01); B01J 21/12 (2006.01); C07C 1/213 (2006.01); B01J 37/10 (2006.01); B01J 37/28 (2006.01); B01J 23/00 (2006.01); B01J 23/04 (2006.01); B01J 27/16 (2006.01); B01J 27/18 (2006.01); B01J 35/00 (2006.01); B01J 35/10 (2006.01); C07C 29/00 (2006.01);
U.S. Cl.
CPC ...
C07C 1/22 (2013.01); B01J 21/12 (2013.01); B01J 23/002 (2013.01); B01J 23/04 (2013.01); B01J 27/16 (2013.01); B01J 27/1806 (2013.01); B01J 35/002 (2013.01); B01J 35/0073 (2013.01); B01J 35/1014 (2013.01); B01J 35/1019 (2013.01); B01J 37/10 (2013.01); B01J 37/28 (2013.01); C07C 1/213 (2013.01); C07C 29/00 (2013.01); B01J 2523/00 (2013.01); C07C 2521/08 (2013.01); C07C 2523/04 (2013.01); C07C 2529/70 (2013.01); Y02P 20/52 (2015.11); Y02P 20/582 (2015.11);
Abstract

The present invention relates to mixed oxide compositions, to the use thereof as a catalyst for cleavage of alkyl tert-alkyl ethers or tertiary alcohols, and to a process for cleaving alkyl tert-alkyl ethers or tertiary alcohols to isoolefins and alcohol or water.


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