Patents by Inventor Xueming CHENG
Xueming CHENG 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).
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Patent number: 12655099Abstract: The present invention belongs to the field of agricultural acaricides, and particularly relates to a substituted phenyl sulfide compound and an application thereof. The substituted phenyl sulfide compound is as represented in general formula I. Definitions of substituted groups in the formula are given in the description. The compound of the general formula I has excellent acaricidal activity and can be used for preventing and controlling various mites.Type: GrantFiled: July 13, 2021Date of Patent: June 16, 2026Assignees: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD., JIANGSU YANGNONG CHEMICAL CO., LTD.Inventors: Libao Xu, Hongfei Wu, Xiuhui Chang, Haibo Yu, Yuquan Song, Jingbo Xu, Chunxiao Guo, Xueming Cheng, Ningning Sun
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Patent number: 12274264Abstract: The present invention belongs to the fields of insecticides and acaricides, and particularly relates to a piperonylic acid derivative and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I has excellent insecticidal and acaricidal activity and can be used for controlling various pests and mites.Type: GrantFiled: March 4, 2022Date of Patent: April 15, 2025Assignees: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD, JIANGSU YANGNONG CHEMICAL CO., LTDInventors: Hongfei Wu, Jingbo Xu, Shaowu Liu, Haibo Yu, Lanfeng Ban, Libao Xu, Xueming Cheng, Chunxiao Guo, Ningning Sun
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Patent number: 12262712Abstract: The present invention discloses an oxime ether compound with novel structure. The structure is shown in general formula I. The definition of each substituent in the formula is provided in the description. The compound of general formula I has excellent microbicidal 1 activity, and has good control effects on plant bacterial diseases and fungal diseases. The present invention comprises an application of the compound of the general formula I as a microbicide in agriculture and other fields.Type: GrantFiled: November 2, 2020Date of Patent: April 1, 2025Assignees: SHENYANG SINOCHEM AGROCHEMICALS R & D CO., LTD., JIANGSU YANGNONG CHEMICAL CO., LTD.Inventors: Xueming Cheng, Haibo Yu, Liang Chen, Hongfei Wu, Geng Sun, Chunxiao Guo, Libao Xu, Jingbo Xu, Ningning Sun
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Patent number: 11952355Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound, and a dehydrant to a dehydration reaction in the present of a second solvent to obtain the malononitrile oxime ether compound. Furthermore, the malononitrile oxime ether compound is obtained through one-step dehydration reaction. using the preparation method, is advantageous for improving the yield of malononitrile oxime ethers and reducing the cost.Type: GrantFiled: June 17, 2019Date of Patent: April 9, 2024Assignee: Shenyang Sinochem Agrochemicals R&D Co., Ltd.Inventors: Hongfei Wu, Xueming Cheng, Libao Xu, Chunxiao Guo, Jingbo Xu, Ningning Sun, Haibo Yu
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Patent number: 11891371Abstract: The present invention belongs to the fields of insecticides, acaricides and fungicides, and particularly relates to a piperonylic acid derivative, and preparation and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I exhibits excellent insecticidal, acaricidal and fungicidal activity and can be used for controlling various harmful insects, mites or fungus.Type: GrantFiled: June 22, 2018Date of Patent: February 6, 2024Assignees: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD, JIANGSU YANGNONG CHEMICAL CO., LTD.Inventors: Hongfei Wu, Jingbo Xu, Shaowu Liu, Haibo Yu, Xiuhui Chang, Qin Sun, Libao Xu, Xueming Cheng, Hao Yang, Ningning Sun
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Publication number: 20230271919Abstract: The present invention belongs to the field of agricultural acaricides, and particularly relates to a substituted phenyl sulfide compound and an application thereof. The substituted phenyl sulfide compound is as represented in general formula I. Definitions of substituted groups in the formula are given in the description. The compound of the general formula I has excellent acaricidal activity and can be used for preventing and controlling various mites.Type: ApplicationFiled: July 13, 2021Publication date: August 31, 2023Inventors: Libao XU, Hongfei WU, Xiuhui CHANG, Haibo YU, Yuquan SONG, Jingbo XU, Chunxiao GUO, Xueming CHENG, Ningning SUN
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Publication number: 20220400678Abstract: The present invention discloses an oxime ether compound with novel structure. The structure is shown in general formula I. The definition of each substituent in the formula is provided in the description. The compound of general formula I has excellent microbicidal 1 activity, and has good control effects on plant bacterial diseases and fungal diseases. The present invention comprises an application of the compound of the general formula I as a microbicide in agriculture and other fields.Type: ApplicationFiled: November 2, 2020Publication date: December 22, 2022Inventors: Xueming CHENG, Haibo YU, Liang CHEN, Hongfei WU, Geng SUN, Chunxiao GUO, Libao XU, Jingbo XU, Ningning SUN
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Publication number: 20220202011Abstract: The present invention belongs to the fields of insecticides and acaricides, and particularly relates to a piperonylic acid derivative and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I has excellent insecticidal and acaricidal activity and can be used for controlling various pests and mites.Type: ApplicationFiled: March 4, 2022Publication date: June 30, 2022Inventors: Hongfei WU, Jingbo XU, Shaowu LIU, Haibo YU, Lanfeng BAN, Libao XU, Xueming CHENG, Chunxiao GUO, Ningning SUN
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Publication number: 20220055996Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises steps: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound as shown in formula (VI), and, a dehyclrant to a dehydrantion reaction in the presence of a second solvent to obtain the malononitrile oxime ether compound. In the preparation process for the intermediate, a cheaper cyanoacetamide is used as a raw material, the reaction conditions are mild. Moreover, the yield of the intermediate compound is high and the cost of the process is low.Type: ApplicationFiled: June 17, 2019Publication date: February 24, 2022Inventors: Hongfei WU, Xueming CHENG, Libao XU, Chunxiao GUO, Jingbo XU, Ningning SUN, Haibo YU
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Publication number: 20200181107Abstract: The present invention belongs to the fields of insecticides, acaricides and fungicides, and particularly relates to a piperonylic acid derivative, and preparation and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I exhibits excellent insecticidal, acaricidal and fungicidal activity and can be used for controlling various harmful insects, mites or fungus.Type: ApplicationFiled: June 22, 2018Publication date: June 11, 2020Applicant: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD.Inventors: Hongfei WU, Jingbo XU, Shaowu LIU, Haibo YU, Xiuhui CHANG, Qin SUN, Libao XU, Xueming CHENG, Hao YANG, Ningning SUN
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Patent number: 10544092Abstract: Disclosed is a malononitrile oxime ether compound having a novel structure as shown in the general formula I. Respective substituents in the general formula I as defined in the specification. The compound of the general formula I exhibits an excellent microbicidal activity, and can effectively prevent and treat plant diseases caused by bacteria and fungi. Also provided is a use of the compound of the general formula I as a microbicide in the agricultural and other fields.Type: GrantFiled: December 22, 2016Date of Patent: January 28, 2020Assignee: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD.Inventors: Xueming Cheng, Lixin Zhang, Liang Chen, Qin Sun, Junli Liu, Zhinian Li, Jie Zhao, Jingbo Xu, Hongfei Wu
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Publication number: 20180362450Abstract: Disclosed is a malononitrile oxime ether compound having a novel structure as shown in the general formula I. Respective substituents in the general formula I as defined in the specification. The compound of the general formula I exhibits an excellent microbicidal activity, and can effectively prevent and treat plant diseases caused by bacteria and fungi. Also provided is a use of the compound of the general formula I as a microbicide in the agricultural and other fields.Type: ApplicationFiled: December 22, 2016Publication date: December 20, 2018Applicant: Shenyang Sinochem Agrochemicals R&D Co., Ltd.Inventors: Xueming CHENG, Lixin ZHANG, Liang CHEN, Qin SUN, Junli LIU, Zhinian LI, Jie ZHAO, Jingbo XU, Hongfei WU