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. 14, 2009
Filed:
Jul. 28, 2008
Jing Chen, Lanzhou, CN;
Zhonghua Tang, Lanzhou, CN;
Chungu Xia, Lanzhou, CN;
Xinzhi Zhang, Lanzhou, CN;
Zhen LI, Lanzhou, CN;
Jing Chen, Lanzhou, CN;
Zhonghua Tang, Lanzhou, CN;
Chungu Xia, Lanzhou, CN;
Xinzhi Zhang, Lanzhou, CN;
Zhen Li, Lanzhou, CN;
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou Gansu, CN;
Abstract
This invention describes a method for preparing polymethoxymethylal. By this method, polymethoxymethylal is prepared by a catalytic reaction using methanol and trioxymethylene as reactants and using an ionic liquid as catalyst under a relatively moderate reaction condition. The catalyst of this invention has a high catalytic activity and a high conversion; the reaction process is simple, easy to be operated and has a strong controllability; the distribution of the products after reaction is superior and the utilization ratio of the raw materials is high.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile