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.:

US 9771334 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 26, 2017

Filed:

May. 21, 2014
Applicants:

Shandong Cynda Chemical Co., Ltd.;

Weifang Cynda Chemical Co., Ltd., Weifang, CN;

Inventors:

Guangfu Yang, Wuhan, CN;

Dawei Wang, Wuhan, CN;

Qiong Chen, Wuhan, CN;

Assignees:

SHANDONG CYNDA CHEMICAL CO., LTD., Boxing County, Shandong, CN;

WEIFANG CYNDA CHEMICAL CO., LTD., Weifang, Shandong, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 239/96 (2006.01); A01N 43/54 (2006.01); C07D 239/95 (2006.01);
U.S. Cl.
CPC ...
C07D 239/96 (2013.01); A01N 43/54 (2013.01); C07D 239/95 (2013.01);
Abstract

Disclosed in the present invention is a triketone compound which has a structure shown in Formula (I). Also disclosed in the present invention is a method for preparing the triketone compound having a structure as shown by Formula (I), which comprise that under the rearrangement reaction conditions, the compound having a structure as shown by Formula (II) is contacted with a catalyst in the presence of a base and a solvent. Further disclosed in the present invention is the use of a triketone compound having a structure as shown by Formula (I) in preventing and controlling weeds. Said triketone compound having a structure as shown by formula (I) in the present invention has the effect of preventing and controlling weeds, in particular having an excellent effect on preventing and controlling broadleaved weeds and/or gramineae weeds.


Find Patent Forward Citations

Yang, Guangfu. (2017). Triketone compound and preparation method and use thereof (U.S. Patent No. 9771334). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9771334

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