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:
Oct. 16, 2001
Filed:
Feb. 11, 2000
Applicant:
Inventors:
Gary G. Podrebarac, Pasadena, TX (US);
Gary R. Gildert, Pasadena, TX (US);
Willibrord A. Groten, Pasadena, TX (US);
Assignee:
Catalytic Distillation Technologies, Pasadena, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 4/500 ; C10G 6/504 ;
U.S. Cl.
CPC ...
C10G 4/500 ; C10G 6/504 ;
Abstract
A process for the hydrodesulfurization of a cracked naphtha stream is disclosed where very little of the valuable olefins are saturated. The process is a two staged process wherein the H,S is removed between the stages to prevent recombinant mercaptans formation. Because the H,S is removed between the stages milder conditions can be used in the second stage polishing reactor to achieve the same desulfurization levels with less olefin loss.