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. 27, 2011
Filed:
Nov. 20, 2009
Dejin Kong, Shanghai, CN;
Hongli Guo, Shanghai, CN;
Luping Zhong, Shanghai, CN;
Weisheng Yang, Shanghai, CN;
Jian Xiao, Shanghai, CN;
Dejin Kong, Shanghai, CN;
Hongli Guo, Shanghai, CN;
Luping Zhong, Shanghai, CN;
Weisheng Yang, Shanghai, CN;
Jian Xiao, Shanghai, CN;
China Petroleum & Chemical Corporation, Beijing, CN;
Shanghai Research Institute of Petrochemical Technology Sinopec, Shanghai, CN;
Abstract
A process of making p-xylcne comprising processing a mixed feedstock containing benzene, toluene, Caromatic hydrocarbons, Cand higher aromatic hydrocarbons, and non-aromatic hydrocarbons through a series of operations and various units, including a Cand higher aromatic hydrocarbon dealkylation unit, a toluene selective disproportionate unit, an adsorption separation unit, an isomerization unit, and a crystallization separation unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile