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. 17, 1998
Filed:
May. 02, 1994
Applicant:
Inventors:
Joseph L Ross, Jr, Dallas, TX (US);
Charles Schaub, Katy, TX (US);
Assignee:
Stone & Webster Engineering Corp., Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ; B01D / ; B04C / ;
U.S. Cl.
CPC ...
208161 ; 208153 ; 554591 ; 55460 ; 55462 ;
Abstract
The invention is a process and apparatus for rapidly and efficiently separating a fluidized catalytic cracking mixture into cracking catalysts and hydrocarbon vapor. The invention decreases the production of unwanted hydrocarbon byproducts by decreasing the contact time between the separated hydrocarbon vapor and the cracking catalyst.