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.

Date of Patent:
May. 23, 2023

Filed:

Jun. 15, 2022
Applicants:

Lier Chemical Co., Ltd., Sichuan, CN;

Guangan Lier Chemical Co., Ltd., Sichuan, CN;

Inventors:

Yongjiang Liu, Sichuan, CN;

Jie Cai, Sichuan, CN;

Min Xu, Sichuan, CN;

Tingying Liu, Sichuan, CN;

Lei Zhou, Sichuan, CN;

Wei Zeng, Sichuan, CN;

Ke Cheng, Sichuan, CN;

Yingsui Yin, Sichuan, CN;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/30 (2006.01); C07F 9/48 (2006.01); C07F 9/50 (2006.01); C07F 9/535 (2006.01); C07F 9/6584 (2006.01);
U.S. Cl.
CPC ...
C07F 9/301 (2013.01); C07F 9/4883 (2013.01); C07F 9/5004 (2013.01); C07F 9/535 (2013.01); C07F 9/65844 (2013.01);
Abstract

Provided are a method for preparing L-glufosinate and the intermediate compounds of formula (V) and formula (III).


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