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.

Date of Patent:
Jul. 13, 1999

Filed:

Sep. 27, 1996
Applicant:
Inventors:

John Y Park, Naperville, IL (US);

Santi Kulprathipanja, Inverness, IL (US);

Robert S Haizmann, Rolling Meadows, IL (US);

Assignee:

UOP LLC, Des Plaines, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C10G / ;
U.S. Cl.
CPC ...
585413 ; 585407 ; 585419 ; 208134 ;
Abstract

The feedstock to an aromatization process is processed by a selective adsorption step to remove hydrocarbon species, particularly indan, which have a severe adverse effect on aromatization catalyst stability. The feedstock preferably is a paraffinic raffinate from aromatics extraction. The intermediate from the adsorption step is particularly suitable for the selective conversion of paraffins to aromatics using a high-activity dehydrocyclization catalyst with high aromatics yields and long catalyst life.


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Park, John. (1999). Zeolitic reforming with selective feed-species adjustment (U.S. Patent No. 5922923). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5922923

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