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:
Apr. 03, 2012
Filed:
Jul. 27, 2007
Yue Qi, Dalian, CN;
Zhongmin Liu, Dalian, CN;
Zhihui LV, Dalian, CN;
Hua Wang, Dalian, CN;
Changqing He, Dalian, CN;
Lei Xu, Dalian, CN;
Jinling Zhang, Dalian, CN;
Xiangao Wang, Dalian, CN;
Yue Qi, Dalian, CN;
Zhongmin Liu, Dalian, CN;
Zhihui Lv, Dalian, CN;
Hua Wang, Dalian, CN;
Changqing He, Dalian, CN;
Lei Xu, Dalian, CN;
Jinling Zhang, Dalian, CN;
Xiangao Wang, Dalian, CN;
Abstract
The present invention provides a method for producing Lower olefin from the feed of methanol or/and dimethyl ether, characterized in that methanol or/and dimethyl ether are divided proportionally to be fed at 3 reaction zones; and the desired distribution of the olefin product is obtained by modulating the feeding ratio among the 3 reaction zones and the reaction conditions in each reaction zone.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile