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. 04, 2008
Filed:
Nov. 17, 2004
Hayim Abrevaya, Wilmette, IL (US);
Suheil F. Abdo, Lincolnshire, IL (US);
R. Lyle Patton, Surprise, AZ (US);
Hayim Abrevaya, Wilmette, IL (US);
Suheil F. Abdo, Lincolnshire, IL (US);
R. Lyle Patton, Surprise, AZ (US);
UOP LLC, Des Plaines, IL (US);
Abstract
A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a layered zeolite material comprising an inner layer having pores of 8 or 10 membered rings and an outer layer having pores of 10 membered rings. The pores in the outer layer overlaying the pores in the inner layer. The zeolite has a silicon to aluminum atomic ratio of about 20 to about 200 and its surface acid sites external to the pores have been substantially neutralized.