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:
Aug. 03, 2021
Filed:
Jan. 08, 2016
Qingdao Kingagroot Chemical Compounds Co., Ltd., Shandong, CN;
Lei Lian, Shandong, CN;
Yurong Zheng, Shandong, CN;
Bin He, Shandong, CN;
Xuegang Peng, Shandong, CN;
Tao Jin, Shandong, CN;
Qi Cui, Shandong, CN;
Other;
Abstract
The present invention belongs to the field of pesticides, particularly relates to a pyrazolone compound or a salt thereof, a preparation method therefor, a herbicidal composition and use thereof. The pyrazolone compound is as described in formula I: In the formula, RRN represents substituted or unsubstituted 3-8 membered nitrogen-containing heterocyclic group containing 1-3 heteroatoms; or Rand Reach represent hydrogen or Calkyl; Rrepresents hydrogen, Calkyl, alkenyl, alkynyl, unsubstituted Ccycloalkyl or Ccycloalkyl substituted by Calkyl; Rrepresents methyl, ethyl, n-propyl, isopropyl or cyclopropyl; X represents hydrogen, —S(O)R, —Ror substituted or unsubstituted 3-8 membered heterocyclic group containing 1-4 heteroatoms, wherein, n represents 1, 2 or 3, Rrepresents substituted or unsubstituted alkyl or aryl, and Rrepresents substituted or unsubstituted alkyl, aryl, alkyl acyl or aroyl. The active substance of the invention exhibits good herbicidal effect, and is convenient to use, low in cost and has great commercial value.