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. 02, 2013
Filed:
Feb. 26, 2010
Peng Yu, Beijing, CN;
Jingsong Liu, Beijing, CN;
Junfeng Rong, Beijing, CN;
Changzhi Shi, Beijing, CN;
Qiang Fu, Beijing, CN;
Jin Wang, Beijing, CN;
Wei Zhang, Beijing, CN;
Xuhua Zhou, Beijing, CN;
Peng Yu, Beijing, CN;
Jingsong Liu, Beijing, CN;
Junfeng Rong, Beijing, CN;
Changzhi Shi, Beijing, CN;
Qiang Fu, Beijing, CN;
Jin Wang, Beijing, CN;
Wei Zhang, Beijing, CN;
Xuhua Zhou, Beijing, CN;
China Petroleum & Chemical Corp., Beijing, CN;
Research Institute of Petroleum Processing, Sinopec, Beijing, CN;
Abstract
A process for preparing polyoxymethylene dimethyl ethers from methanol is disclosed. For example, the process comprises contacting methanol with at least one oxidant in the presence of at least one catalyst wherein the at least one catalyst comprises at least one Group VIB metal component, such as in an amount of from about 0.5 to about 50 wt % (in terms of metal oxide) and at least one Group VIII metal component, such as in an amount of from about 0.2 to about 20 wt % (in terms of metal oxide), and at least one molecular sieve having acidic catalytic activity, such as in an amount of from about 40 to about 95 wt %, based on the total weight of the at least one catalyst for a time sufficient to obtain polyoxymethylene dimethyl ethers.