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:
Sep. 30, 2025

Filed:

Jun. 06, 2023
Applicant:

Uop Llc, Des Plaines, IL (US);

Inventors:

Deng-Yang Jan, Elk Grove Village, IL (US);

Xi Zhao, Arlington Heights, IL (US);

Jaime G. Moscoso, Mount Prospect, IL (US);

Mathias Paul Koljack, Glenview, IL (US);

Gregory A. Funk, Carol Stream, IL (US);

Assignee:

UOP LLC, Rosemont, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/06 (2006.01); B01J 29/74 (2006.01); B01J 35/30 (2024.01);
U.S. Cl.
CPC ...
C07C 4/06 (2013.01); B01J 29/74 (2013.01); B01J 35/394 (2024.01); C07C 2529/068 (2013.01);
Abstract

A process for converting naphtha to predominantly ethane comprising contacting a naphtha stream with a zeolitic catalyst comprising a noble metal and hydrogen to produce a light paraffin stream comprising ethane and propane; wherein the catalyst comprises at least about 0.005 wt % noble metal at a ratio of hydrogen to hydrocarbon of less than about 5. In a predominantly propane mode, the catalyst comprises about 0.005 wt % noble metal and operates at a reaction temperature of no more than about 450° C. The process can be switched between modes depending on the desires of the operator.


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