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:
Dec. 05, 2017

Filed:

Jul. 11, 2012
Applicants:

Matthew Pretz, Lake Jackson, TX (US);

Lin Luo, Sugar Land, TX (US);

Susan Domke, Midlothian, VA (US);

Howard W. Clark, Lake Jackson, TX (US);

Richard A. Pierce, Lake Jackson, TX (US);

Andrzej M. Malek, Midland, MI (US);

Mark W. Stewart, Pearland, TX (US);

Brien A. Stears, League City, TX (US);

Albert E. Schweizer, Jr., Port St. Lucie, FL (US);

Guido Capone, San Giuliano Milanese, IT;

Duncan P. Coffey, Lake Jackson, TX (US);

Isa K. Mbaraka, Lake Jackson, TX (US);

Inventors:

Matthew Pretz, Lake Jackson, TX (US);

Lin Luo, Sugar Land, TX (US);

Susan Domke, Midlothian, VA (US);

Howard W. Clark, Lake Jackson, TX (US);

Richard A. Pierce, Lake Jackson, TX (US);

Andrzej M. Malek, Midland, MI (US);

Mark W. Stewart, Pearland, TX (US);

Brien A. Stears, League City, TX (US);

Albert E. Schweizer, Jr., Port St. Lucie, FL (US);

Guido Capone, San Giuliano Milanese, IT;

Duncan P. Coffey, Lake Jackson, TX (US);

Isa K. Mbaraka, Lake Jackson, TX (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/333 (2006.01); B01J 23/62 (2006.01); B01J 23/96 (2006.01); B01J 38/02 (2006.01); B01J 38/12 (2006.01); B01J 38/14 (2006.01); C07C 5/32 (2006.01);
U.S. Cl.
CPC ...
C07C 5/3337 (2013.01); B01J 23/62 (2013.01); B01J 23/96 (2013.01); B01J 38/02 (2013.01); B01J 38/12 (2013.01); B01J 38/14 (2013.01); C07C 5/325 (2013.01); B01J 2523/00 (2013.01); C07C 2521/12 (2013.01); C07C 2523/04 (2013.01); C07C 2523/08 (2013.01); C07C 2523/14 (2013.01); C07C 2523/42 (2013.01); C07C 2523/44 (2013.01); C07C 2523/46 (2013.01); C07C 2523/62 (2013.01); C07C 2527/224 (2013.01); Y02P 20/52 (2015.11); Y02P 20/584 (2015.11);
Abstract

Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.


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