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. 03, 2015
Filed:
Nov. 17, 2014
Applicant:
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Inventor:
An-Hsiang Wu, Kingwood, TX (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 38/42 (2006.01); C07C 5/41 (2006.01); B01J 29/90 (2006.01); C10G 35/095 (2006.01); B01J 29/62 (2006.01); C10G 35/06 (2006.01); C10G 45/70 (2006.01); C07C 5/367 (2006.01); B01J 38/12 (2006.01); B01J 38/46 (2006.01);
U.S. Cl.
CPC ...
C07C 5/412 (2013.01); B01J 29/62 (2013.01); B01J 29/90 (2013.01); C07C 5/367 (2013.01); C10G 35/06 (2013.01); C10G 35/095 (2013.01); C10G 45/70 (2013.01); B01J 38/12 (2013.01); B01J 38/42 (2013.01); B01J 38/46 (2013.01); C07C 2529/068 (2013.01); C10G 2300/708 (2013.01);
Abstract
Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The halogenation step can utilize fluorine and chlorine together, or fluorine and chlorine can be applied sequentially.