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:
Dec. 02, 2025
Filed:
Feb. 01, 2022
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Robert Alexander Ludolph, Houston, TX (US);
Michael Allen Basden, Deer Park, TX (US);
Assignee:
SHELL USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 8/20 (2006.01); B01F 25/314 (2022.01); B01F 25/431 (2022.01); B01J 8/00 (2006.01); B01J 8/18 (2006.01); B01J 8/38 (2006.01); C10G 11/18 (2006.01); B01F 101/00 (2022.01);
U.S. Cl.
CPC ...
B01J 8/388 (2013.01); B01F 25/3141 (2022.01); B01F 25/31423 (2022.01); B01F 25/4318 (2022.01); B01F 25/431971 (2022.01); B01J 8/0025 (2013.01); B01J 8/1854 (2013.01); B01J 8/1872 (2013.01); B01J 8/20 (2013.01); C10G 11/18 (2013.01); B01F 2101/2204 (2022.01); B01J 2208/00849 (2013.01);
Abstract
The present invention provides a catalytic cracking reactor comprising a conduit, configured to allow the passage of a flow of catalyst particles, and an injection zone comprising a ring of feed injectors extending inwardly from the wall of reactor and angled to inject feed into the flow of catalyst particles, characterised in that the reactor also comprises a contacting device protruding into the reactor from the inner wall of said reactor upstream of the injection zone.