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. 03, 2026
Filed:
Sep. 29, 2022
Chengdu Organic Chemistry Co., Ltd., Chinese Academy of Sciences, Chengdu, CN;
Gongying Wang, Chengdu, CN;
Mingyu Cao, Chengdu, CN;
Yuansheng Bai, Chengdu, CN;
Qingyin Wang, Chengdu, CN;
Yi Zeng, Chengdu, CN;
Abstract
A catalyst for oxidative carbonylation of methanol to obtain dimethyl carbonate, a preparation method and applications thereof are disclosed. The catalyst includes a carrier being a porous carbon-nitrogen material, and an active component being Cu, where the weight of Cu accounts for 5-15 wt % of the total weight of the catalyst. The catalyst exhibits good catalytic activity in the reaction of methanol oxidative carbonylation to synthesize dimethyl carbonate, has high space-time yield and selectivity, and the catalyst and the product are easy to separate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile