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:
Jul. 16, 2024
Filed:
Feb. 02, 2019
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Liaoning, CN;
Hongchao Liu, Liaoning, CN;
Shiping Liu, Liaoning, CN;
Wenliang Zhu, Liaoning, CN;
Zhongmin Liu, Liaoning, CN;
Xiangang Ma, Liaoning, CN;
Yong Liu, Liaoning, CN;
Ziqiao Zhou, Liaoning, CN;
Youming Ni, Liaoning, CN;
Abstract
Provided are a molecular sieve catalyst, a preparation method therefor, an application thereof. The molecular sieve catalyst contains a modified Na-MOR molecular sieve, and the modification comprises: organic ammonium salt exchange, dealumination treatment, and ammonium ion exchange. The catalyst obtained by the method is used in dimethyl ether for one-step production of methyl acetate. The catalyst has high activity and stable performance, and the needs of industrial production can be satisfied.