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.:

US 8221615 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2012

Filed:

Feb. 01, 2011
Applicants:

Ruizhong HU, Woodstock, MD (US);

Richard Franklin Wormsbecher, Dayton, MD (US);

Inventors:

Ruizhong Hu, Woodstock, MD (US);

Richard Franklin Wormsbecher, Dayton, MD (US);

Assignee:

W. R. Grace & Co.-Conn., Columbia, MD (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 11/05 (2006.01); C10G 11/18 (2006.01); B01J 29/08 (2006.01); B01J 29/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and at least one element selected from the group consisting of zinc, magnesium and manganese, wherein the yttrium and element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.


Find Patent Forward Citations

Hu, Ruizhong. (2012). Gasoline sulfur reduction catalyst for fluid catalytic cracking process (U.S. Patent No. 8221615). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8221615

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