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:
Sep. 09, 1986
Filed:
Nov. 28, 1984
Applicant:
Inventors:
James H Colvert, Houston, TX (US);
Thomas A Lionetti, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
422310 ; 422144 ; 502 41 ; 34 5 / ; 239548 ; 239288 ; 2392885 ;
Abstract
An improved air ring for a regenerator in a fluid catalytic cracking process in which a baffle extends vertically downward from the air ring for a critical length. The baffle prevents catalyst erosion on the underside of the air ring and improves air distribution in the catalyst bed.