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:
Dec. 02, 2008
Filed:
Feb. 21, 2007
Baojian Shen, Changping, CN;
Jinsen Gao, Changping, CN;
Chunming Xu, Changping, CN;
Liang Zhao, Changping, CN;
Xianfeng LI, Changping, CN;
Pei Wu, Changping, CN;
Baojian Shen, Changping, CN;
Jinsen Gao, Changping, CN;
Chunming Xu, Changping, CN;
Liang Zhao, Changping, CN;
Xianfeng Li, Changping, CN;
Pei Wu, Changping, CN;
State Key Laboratory of Heavy Oil Processing, Changping, CN;
Abstract
The present invention provides a catalyst and a process for its preparation and its use in cracking heavy feedstocks. The catalyst comprises one or more zeolites having a controlled silica to alumina ratio and preferably treated with alkali in the presence of a matrix component selected from the group consisting of clays, synthetic matrix other than pillared clay, and mixtures thereof. The catalyst are particularly useful in treating heavy feedstock such as residues from oil sands processing.