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:
Feb. 04, 2014
Filed:
Nov. 21, 2007
Wu-cheng Cheng, Ellicott City, MD (US);
Kevin John Sutovich, Hampstead, MD (US);
Ruizhong HU, Cooksville, MD (US);
Ranjit Kumar, Clarksville, MD (US);
Xinjin Zhao, Houston, TX (US);
Wu-Cheng Cheng, Ellicott City, MD (US);
Kevin John Sutovich, Hampstead, MD (US);
Ruizhong Hu, Cooksville, MD (US);
Ranjit Kumar, Clarksville, MD (US);
Xinjin Zhao, Houston, TX (US);
W. R. Grace & Co.-Conn., Columbia, MD (US);
Abstract
A particulate catalytic cracking catalyst which comprises a zeolite having catalytic cracking ability under catalytic cracking conditions, added silica, precipitated alumina and, optionally clay. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to improve bottoms conversion at a constant coke formation.