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:
May. 09, 1989
Filed:
Aug. 23, 1982
Applicant:
Inventors:
James H Colvert, Houston, TX (US);
Thomas A Lionetti, Houston, TX (US);
John P MacLean, Stafford, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B / ; F27B / ;
U.S. Cl.
CPC ...
422144 ; 141312 ; 422145 ; 422223 ; 422232 ; 502 20 ;
Abstract
A method for supplying spent catalyst to a catalyst regenerator comprises (1) guiding the flow of spent catalyst from the lower end of a spent catalyst standpipe downwardly therefrom and (2) curving the downward flow of spent catalyst away from the wall of the catalyst regenerator towards the vertical center line of the air distributor for providing the most thorough and even distribution of spent catalyst and air. An extension tube means for performing the method is also disclosed.