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. 16, 2021
Filed:
Nov. 25, 2016
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, CN;
Zhanling Ma, Dalian, CN;
Wenliang Zhu, Dalian, CN;
Xiangang Ma, Dalian, CN;
Hongchao Liu, Dalian, CN;
Yong Liu, Dalian, CN;
Youming Ni, Dalian, CN;
Shiping Liu, Dalian, CN;
Qiwei Chen, Dalian, CN;
Zhongmin Liu, Dalian, CN;
Abstract
Provided is a method for preparing a lower unsaturated fatty acid ester, which comprises carrying out an aldol condensation reaction between dimethoxymethane (DMM) and a lower acid or ester with a molecular formula of R—CH—COO—Ron an acidic molecular sieve catalyst in an inert atmosphere to obtain a lower unsaturated fatty acid or ester(CH═C(R)—COO—R), wherein Rand Rare groups each independently selected from the group consisting of H— and C-Csaturated alkyl group.