Patents by Inventor Rongbao Hua

Rongbao Hua has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12240843
    Abstract: The invention relates to the field of pesticide technology, and in particular a type of substituted 1,2,4-triazolo[4,3-a]pyridine derivatives, preparation method, herbicidal composition and use thereof. A substituted 1,2,4-triazolo[4,3-a]pyridine derivative, as shown in Formula I: wherein, Q represents X and Z each independently represent hydrogen, halogen, cyano or nitro, etc.; Y represents hydrogen, halogen, formyl, cyanoalkyl; or an alkyl, alkenyl or alkynyl, each of which contains or does not contain a halogen, etc. The compound and its composition have excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: March 4, 2025
    Assignee: Qingdao Kingagroot Chemical Compound Co., Ltd.
    Inventors: Lei Lian, Xuegang Peng, Rongbao Hua, De Zhao, Qi Cui
  • Publication number: 20250066339
    Abstract: The present invention belongs to the technical field of pesticides, and particularly, relates to a heterocycle-substituted aromatic compound, a method for preparing same, a herbicidal composition, and use thereof. The compound is represented by general formula I, wherein Y represents a halogen, a halogenated alkyl, cyano, nitro, or amino; Z represents hydrogen, a halogen, or hydroxyl; M1 and M2 each independently represent CR5 or N(O)m; Q represents CX3X4; R1, R2, R3, R4, and R5 each independently represent hydrogen, a halogen, or the like; X1, X2, X3, and X4 each independently represent hydrogen, a halogen, or the like, and m represents 0 or 1. The compound, even at a low application rate, has excellent herbicidal activity on gramineous weeds, broad-leaf weeds, and the like, and has high selectivity for crops.
    Type: Application
    Filed: May 12, 2023
    Publication date: February 27, 2025
    Applicant: QINGDAO KINGAGROOT CHEMICAL COMPOUND CO., LTD.
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG
  • Publication number: 20240327359
    Abstract: The invention relates to the technical field of pesticides, and in particular to a type of 3-isoxazolidinone compound, as well as a preparation method, a herbicidal composition and an application thereof. The 3-isoxazolidinone compound is as shown in Formula I: wherein, Q1 and Q2 each independently represent O or S; R1 and R2 each independently represent alkyl. The present compounds have superior crop safety while maintaining comparable or even better herbicidal activity, thus they are more selective in crops. Moreover, the compounds of the present invention have better anti-volatility to avoid drift.
    Type: Application
    Filed: August 2, 2022
    Publication date: October 3, 2024
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG
  • Patent number: 12084435
    Abstract: The present disclosure provides an herbicidal compound according to Formula I, which is a pyridine ring-substituted pyridazinol compound, as well as derivatives of the compound, an herbicidal composition comprising the compound, preparation methods thereof, and applications thereof.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: September 10, 2024
    Assignee: Qingdao Kingagroot Chemical Compound Co., Ltd.
    Inventors: Lei Lian, Yurong Zheng, Rongbao Hua, Jianfeng Wang, Xuegang Peng, Qi Cui
  • Patent number: 12049450
    Abstract: The invention relates to the field of pesticide technology, and in particular a type of pyridyloxy carboxylate derivative, preparation method, herbicidal composition and application thereof. The pyridyloxy carboxylate derivative is represented by formula I, wherein, A, B each independently represent halogen, or alkyl or cycloalkyl with or without halogen; C represents hydrogen, halogen, alkyl or haloalkyl; Q represents halogen, cyano, cyanoalkyl, hydroxyalkyl, amino, nitro, formyl, alkyl with or without halogen or the like; M represents -alkyl-R, R represents unsubstituted or substituted heterocyclyl, aryl or heteroaryl; Y represents O or S; X represents nitro or NR1R2. The compound has excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice and soybean.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: July 30, 2024
    Assignee: Qingdao Kingagroot Chemical Compound Co., Ltd.
    Inventors: Lei Lian, Xuegang Peng, Rongbao Hua, Jingyuan Zhang, Qi Cui
  • Patent number: 12024500
    Abstract: The present disclosure provides an herbicidal compound according to Formula I, which is a five-membered ring-substituted pyridazinol compound, as well as derivatives of the compound, an herbicidal composition comprising the compound, preparation methods thereof, and applications thereof.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: July 2, 2024
    Assignee: Qingdao Kingagroot Chemical Compound Co., Ltd.
    Inventors: Lei Lian, Yurong Zheng, Rongbao Hua, Jianfeng Wang, Xuegang Peng, Qi Cui
  • Publication number: 20230242530
    Abstract: Compounds of Formula (I) and (II), or a stereoisomer, tautomer, solvate, prodrug or salt thereof, and methods of use as Janus kinase inhibitors are described herein.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: Genentech, Inc.
    Inventors: Simon Charles GOODACRE, Mark ZAK, F. Anthony ROMERO, Yun-Xing CHENG, Limin CHENG, Rongbao HUA
  • Publication number: 20230111310
    Abstract: The invention relates to the field of pesticide technology, and in particular a type of carboxylic acid derivative-substituted iminoaryl compound, preparation method, herbicidal composition and use thereof. The compound, as shown in general formula I: wherein, Q represents Y represents halogen, haloalkyl or cyano; Z represents halogen; M represents CH or N; W represents OX5, SX5 or N(X5)2; X represents —CX1X2-(alkyl)n-, -alkyl-CX1X2-(alkyl)n- or —(CH2)r—; X3 and X4 each independently represent O, S, NH or N-alkyl, etc. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds, cyperaceae weeds and so on even at low application rates, and has high selectivity for crops.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 13, 2023
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG, De ZHAO, Qi CUI
  • Publication number: 20230091467
    Abstract: The invention relates to the field of pesticide technology, and in particular a type of fused-ring substituted aromatic compound, preparation method, herbicidal composition and use thereof. The fused-ring substituted aromatic compound, represented by general formula I: wherein, Q represents etc.; Y represents halogen, haloalkyl, cyano, nitro or amino; Z represents H, halogen or hydroxy; M represents CH or N; Het represents a cyclic structure that shares two carbon atoms at 4- and 5-positions with isoxazoline ring to form a fused ring; X1, X2 each independently represent H, halogen or nitro etc. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds, etc. even at low application rates, and has high selectivity for crops.
    Type: Application
    Filed: January 12, 2021
    Publication date: March 23, 2023
    Inventors: Lei LIAN, Xuegang PENG, Rongbao HUA, De ZHAO, Qi CUI
  • Publication number: 20230087801
    Abstract: The invention belongs to the technical field of pesticides, and specifically relates to a 4-pyridinyl formamide compound or a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The 4-pyridinyl formamide compound is as represented by formula (I), wherein, X and Y each independently represent nitro, halogen, cyano, formyl, thiocyano, mercapto, etc.; and M represents an unsubstituted or substituted structure (II). The compound, and the derivative and the composition thereof have excellent herbicidal activity and a higher crop safety, and establish good selectivity, especially for key crops such as wheat and rice.
    Type: Application
    Filed: January 14, 2020
    Publication date: March 23, 2023
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG, De ZHAO, Qi CUI
  • Publication number: 20230075221
    Abstract: The invention relates to the field of pesticide technology, and in particular a type of substituted 1,2,4-triazolo[4,3-a]pyridine derivatives, preparation method, herbicidal composition and use thereof. A substituted 1,2,4-triazolo[4,3-a]pyridine derivative, as shown in Formula I: wherein, Q represents X and Z each independently represent hydrogen, halogen, cyano or nitro, etc.; Y represents hydrogen, halogen, formyl, cyanoalkyl; or an alkyl, alkenyl or alkynyl, each of which contains or does not contain a halogen, etc. The compound and its composition have excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.
    Type: Application
    Filed: July 17, 2020
    Publication date: March 9, 2023
    Inventors: Lei LIAN, Xuegang PENG, Rongbao HUA, De ZHAO, Qi CUI
  • Publication number: 20230072860
    Abstract: The present invention belongs to the technical field of pesticides, and specifically relates to an isoxazoline oxime formate compound, a preparation method therefor, and a herbicidal composition and a use thereof. The isoxazoline oxime formate compound is shown in general formula I. Wherein, Y represents halogen, haloalkyl, cyano, nitro or amino; Z represents hydrogen, halogen or hydroxyl; Q represents M represents CH or N; X1, X2 and X3 each independently represent hydrogen, etc.; X4 and X5 each independently represent hydrogen, halogen, cyano or nitro, etc. The compound also has an excellent herbicidal activity against grassy weeds, broadleaf weeds, etc. at a low application rate, and has a high selectivity to crops.
    Type: Application
    Filed: December 17, 2020
    Publication date: March 9, 2023
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG, De ZHAO, Qi CUI
  • Publication number: 20230053699
    Abstract: The invention belongs to the technical field of pesticides, and specifically relates to a type of substituted-isoxazoline-containing aromatic compound, preparation method therefor, herbicidal composition and use thereof. The compound is as shown in general formula I: Wherein, Q represents Y represents halogen, halogenated alkyl or cyano; Z represents halogen; X1, X2 each independently represent hydrogen, halogen, alkyl, etc.; X3 represents halogen, cyano, etc.; X4 each independently represents —COOR5 or -alkyl-COOR5; R5 each independently represents hydrogen, alkyl, etc.. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds, and so on even at low application rates, and has high selectivity for crops.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 23, 2023
    Inventors: Lei LIAN, Xuegang PENG, Rongbao HUA, De ZHAO, Qi CUI
  • Publication number: 20230041563
    Abstract: The invention belongs to the technical field of agricultural chemicals, and particularly relates to an N-(1,3,4-oxadiazol-2-yl)arylcarboxamide compound or a salt thereof, a preparation method, a herbicidal composition and a use thereof. The compound is as shown in the following Formula I: wherein X represents O, S, SO, SO2 or NR1; Y represents halogen, cyano, cyanoalkyl, carboxyl, nitro, etc.; or —X—Y represents unsubstituted or substituted five- or six-membered heterocyclyl or heteroaryl; Z represents hydrogen, halogen, cyano, OR4, -alkyl-OR4, —O-alkyl-N(R5)2, etc., M represents hydrogen, OR6, SR6, COR6, COOR6, CON(R7)2, etc. The compound has advantages of a low dosage for use, excellent herbicidal activity, and higher crop safety, especially good selectivity for key crops such as rice.
    Type: Application
    Filed: November 27, 2019
    Publication date: February 9, 2023
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG, De ZHAO, Qi CUI
  • Publication number: 20230015308
    Abstract: A substituted thiazole aromatic ring compound and a preparation method therefor, a herbicidal composition and use thereof. The substituted thiazole aromatic ring compound is as shown in general formula I: Wherein, Y represents halogen, halogenated alkyl, cyano, nitro or amino; Q represents M represents CH or N; X represents X1 represents O or S; X2 represents OX3, SX3 or N(X3)2. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds, and so on even at low application rates, and has high selectivity for crops.
    Type: Application
    Filed: November 2, 2020
    Publication date: January 19, 2023
    Inventors: Lei LIAN, Xuegang PENG, Rongbao HUA, De ZHAO, Qi CUI
  • Publication number: 20220354120
    Abstract: The present invention belongs to the technical field of pesticides, and in particular relates to a pyridazinol compound, a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The pyridazinol compound is as represented by general formula I, wherein X represents and the ring is an unsubstituted or substituted aryl or unsubstituted or substituted heterocyclyl containing a carbon atom at the 1-position; Y represents haloalkyl; and Z represents halogen, cyano, hydroxy, etc. The derivative refers to an agriculturally acceptable derivative of the hydroxyl group at the 4-position of the pyridazine ring in the general formula I, including a salt, an ester, an oxime, a hydroxylamine and an ether derivative, etc. The compound, the derivative thereof and the composition thereof have good herbicidal activity and crop safety.
    Type: Application
    Filed: August 15, 2020
    Publication date: November 10, 2022
    Inventors: Lei LIAN, Rongbao HUA, De ZHAO, Xuegang PENG, Qi CUI
  • Publication number: 20220312770
    Abstract: The invention belongs to the technical field of agricultural chemicals, and in particular relates to a pyridazinol compound represented by the Formula I, a derivative, preparation method, herbicidal composition and use thereof.
    Type: Application
    Filed: February 1, 2019
    Publication date: October 6, 2022
    Inventors: Lei LIAN, Yurong ZHENG, Rongbao HUA, Jianfeng WANG, Xuegang PENG, Qi CUI
  • Publication number: 20220289696
    Abstract: The invention belongs to the technical field of agricultural chemicals, and particularly relates to an aryl formamide compound containing chiral sulfur oxide or salt thereof, a preparation method, a herbicidal composition and a use thereof. The aryl formamide compound containing chiral sulfur oxide or salt thereof has the following structural formula: Z1, and Z2 each independently represent nitro, halogen, or cyano, etc.; X represents unsubstituted or substituted unsubstituted or substituted unsubstituted or substituted unsubstituted or substituted unsubstituted or substituted unsubstituted or substituted or unsubstituted or substituted Q represents halogen, cyano, cyanoalkyl, or nitro, etc.; Y represents hydrogen, etc.; wherein the compound has advantages of excellent herbicidal activity, higher crop safety, and especially good selectivity for key crops such as wheat, rice, corn.
    Type: Application
    Filed: October 22, 2020
    Publication date: September 15, 2022
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG, De ZHAO, Qi CUI
  • Publication number: 20220289699
    Abstract: The invention relates to the field of pesticide technology, and in particular a type of substituted thiadiazinone dioxide, preparation method, herbicidal composition and application thereof. The substituted thiadiazinone dioxide, as shown in general formula I. wherein, R1 and R2 each independently represent hydrogen, cyano or alkyl with or without halogen and so on; X represents hydrogen or halogen; Y represents C—Z or N; Z represents hydrogen or halogen; and when X represents halogen, Z represents hydrogen. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds or amaranthaceous weeds, and has high selectivity for crops such as soybean, corn, rice or wheat.
    Type: Application
    Filed: September 1, 2020
    Publication date: September 15, 2022
    Inventors: Lei LIAN, Rongbao HUA, Xuegang PENG, De ZHAO, Qi CUI
  • Publication number: 20220098153
    Abstract: The invention relates to the field of pesticide technology, and in particular to a type of R-pyridyloxycarboxylic acid and salt, ester derivative, preparation method, herbicidal composition and application thereof. The R-pyridyloxycarboxylic acid is represented by formula I, wherein, A, B each independently represent halogen, alkyl or cycloalkyl with or without halogen; C represents hydrogen, halogen, alkyl, haloalkyl; Q represents halogen, cyano, cyanoalkyl and the like; Y represents nitro or NR1R2; the salt is metal salt, amine salt, sulfonium salt, phosphonium salt; the ester is wherein, X represents O or S; M represents alkyl, alkenyl, alkynyl and the like with or without halogen. The compound has excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 31, 2022
    Inventors: Lei LIAN, Xuegang PENG, Rongbao HUA, Jingyuan ZHANG, Qi CUI