Patents by Inventor De ZHAO

De ZHAO 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: 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: 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: 20220264878
    Abstract: The present invention belongs to the technical field of pesticides, and particularly relates to an herbicidal composition comprising R-pyridyloxycarboxylic acid and derivative and an application thereof. The composition comprises an active ingredient A and an active ingredient B in an herbicidally effective amount, wherein, the active ingredient A is one or more compounds selected from an R-pyridyloxycarboxylic acid represented by formula I and salt, ester derivative thereof, wherein, R1, R2 each independently represent halogen, C1-C6 alkyl, halo C1-C6 alkyl or C3-C6 cycloalkyl; R3 represents hydrogen, halogen, C1-C6 alkyl or halo C1-C6 alkyl; Q represents C1-C6 alkyl, etc.; Y represents amino, etc.; the active ingredient B is selected from the following one or more compounds or acid or salt or ester derivatives thereof, ALS inhibitor, ACCase inhibitor, PSII inhibitor, HPPD inhibitor, PDS inhibitor, DOXP inhibitor, PPO inhibitor, Synthetic hormone, EPSPS inhibitor, GS inhibitor, PSI inhibitor.
    Type: Application
    Filed: July 14, 2020
    Publication date: August 25, 2022
    Inventors: Xuegang PENG, De ZHAO, Qi CUI, Tao JIN, Jingyuan ZHANG, Na LIU
  • Patent number: 11172681
    Abstract: The present invention relates to the technical field of herbicide crystallization process, particularly to Crystalline form C of shuangzuocaotong, and a preparation method therefor and use thereof. The Crystalline form C of shuangzuocaotong has an X-ray powder diffraction pattern having characteristic absorption peaks at the following 2? positions: 10.159, 10.658, 13.318, 14.579, 16.096, 18.061, 19.322, 19.68, 20.04, 20.659, 21.281, 23, 24.16, 24.619, 26.101, 26.74, 30.359, 31.018, 32.378, 35.398 and 38.26 degrees, wherein 2? has an error range within ±0.2°. The Crystalline form C of shuangzuocaotong has good stability, and its compounded composition with additional active ingredient(s) has a good control effect to broadleaf weeds and some gramineous weeds in wheat, significantly better than that of Crystalline form A of shuangzuocaotong.
    Type: Grant
    Filed: July 15, 2017
    Date of Patent: November 16, 2021
    Assignee: Qingdao Kingagroot Chemical Compound Co., Ltd.
    Inventors: De Zhao, Tao Jin, Beibei Lin, Qiang Ru
  • Publication number: 20200178530
    Abstract: The present invention relates to the technical field of herbicide crystallization process, particularly to Crystalline form C of shuangzuocaotong, and a preparation method therefor and use thereof. The Crystalline form C of shuangzuocaotong has an X-ray powder diffraction pattern having characteristic absorption peaks at the following 2? positions: 10.159, 10.658, 13.318, 14.579, 16.096, 18.061, 19.322, 19.68, 20.04, 20.659, 21.281, 23, 24.16, 24.619, 26.101, 26.74, 30.359, 31.018, 32.378, 35.398 and 38.26 degrees, wherein 2? has an error range within ±0.2°. The Crystalline form C of shuangzuocaotong has good stability, and its compounded composition with additional active ingredient(s) has a good control effect to broadleaf weeds and some gramineous weeds in wheat, significantly better than that of Crystalline form A of shuangzuocaotong.
    Type: Application
    Filed: July 15, 2017
    Publication date: June 11, 2020
    Inventors: De ZHAO, Tao JIN, Beibei LIN, Qiang RU
  • Patent number: 10506810
    Abstract: The present invention belongs to the technical field of synergistic pesticides, and particularly relates to a synergistic herbicidal composition comprising a 4-benzoylpyrazole compound. The synergistic herbicidal composition comprises an active ingredient A and an active ingredient B in an herbicidally effective amount, wherein, the active ingredient A is the compound of the active ingredient B is one or more compounds selected from: 1) a phenoxycarboxylic acid; 2) a pyridinecarboxylic acid; 3) a benzoic acid; 4) a hydroxybenzonitrile; 5) an urea; 6) a pyridine; 7) a triazolinone; 8) a diphenyl ether; 9) an acetamide; 10) an aryloxyphenoxypropionate; 11) a cyclohexanedione; 12) a sulfonylurea; 13) a triazine; 14) a sulfonamide; 15) a phenylpyrazoline; and 16) others: bentazon. The composition is effective for controlling a broad-leaved weed in wheat fields, has extended weed-controlling spectrum, significant synergistic effect and reduced application rate, and is safe for a crop.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: December 17, 2019
    Assignee: QINGDAO KINGAGROOT RESISTANT WEED MANAGEMENT CO., LTD.
    Inventors: Tao Jin, Jinxin Wang, Xingtao Lu, Xuegang Peng, Jingyuan Zhang, De Zhao
  • Publication number: 20180325113
    Abstract: The present invention belongs to the technical field of synergistic pesticides, and particularly relates to a synergistic herbicidal composition comprising a 4-benzoylpyrazole compound. The synergistic herbicidal composition comprises an active ingredient A and an active ingredient B in an herbicidally effective amount, wherein, the active ingredient A is the compound of the active ingredient B is one or more compounds selected from: 1) a phenoxycarboxylic acid; 2) a pyridinecarboxylic acid; 3) a benzoic acid; 4) a hydroxybenzonitrile; 5) an urea; 6) a pyridine; 7) a triazolinone; 8) a diphenyl ether; 9) an acetamide; 10) an aryloxyphenoxypropionate; 11) a cyclohexanedione; 12) a sulfonylurea; 13) a triazine; 14) a sulfonamide; 15) a phenylpyrazoline; and 16) others: bentazon. The composition is effective for controlling a broad-leaved weed in wheat fields, has extended weed-controlling spectrum, significant synergistic effect and reduced application rate, and is safe for a crop.
    Type: Application
    Filed: March 31, 2016
    Publication date: November 15, 2018
    Inventors: Tao JIN, Jinxin WANG, Xingtao LU, Xuegang PENG, Jingyuan ZHANG, De ZHAO
  • Patent number: 6837742
    Abstract: A modular connector assembly includes at least a lower body, an upper body fastenable to the lower body, a plurality of terminal sockets mountable in housing chambers formed on the upper body, a connection circuit board to receive and connect terminal legs and contact terminals located on the upper body and the lower body, and a shell to encase all of these elements.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: January 4, 2005
    Assignee: Wieson Technologies Co., Ltd.
    Inventors: De-Zhao Chou, Hai-Dong Wu, Jian-Gang Zhou
  • Publication number: 20040259413
    Abstract: A modular connector assembly includes at least a lower body, an upper body fastenable to the lower body, a plurality of terminal sockets mountable in housing chambers formed on the upper body, a connection circuit board to receive and connect terminal legs and contact terminals located on the upper body and the lower body, and a shell to encase all of these elements.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 23, 2004
    Inventors: De-Zhao Chou, Hai-Dong Wu, Jian-Gang Zhou