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:
Mar. 19, 2024
Filed:
May. 01, 2023
Applicant:
Lier Chemical Co., Ltd., Sichuan, CN;
Inventors:
Yongjiang Liu, Sichuan, CN;
Min Xu, Sichuan, CN;
Lei Zhou, Sichuan, CN;
Wei Zeng, Sichuan, CN;
Ke Cheng, Sichuan, CN;
Assignee:
LIER CHEMICAL CO., LTD., Sichuan, CN;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/30 (2006.01);
U.S. Cl.
CPC ...
C07F 9/301 (2013.01);
Abstract
The present invention relates to a method for preparing glufosinate or an analogue and an intermediate thereof. The method comprises: a) reacting a compound of formula (II), an alcohol of formula (III) and a compound of formula (V); and b) hydrolyzing the product of the reaction above to obtain glufosinate of formula (IV) or an analogue thereof.