Patents by Inventor Leichuan XU

Leichuan XU 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).

  • Substituted pyrimidine compound and preparation method and use thereof
    Patent number: 11457628
    Abstract: The present invention discloses a substituted pyrimidine compound. The structure is shown in general formula I. The definition of each substituent in the formula is described in the description. The compound of the present invention has broad-spectrum fungicidal, insecticidal and acaricidal activity, and has excellent control effects on cucumber downy mildew, powdery mildew, corn rust, anthrax, rice blast, aphids, Tetranychus cinnabarinus and the like.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: October 4, 2022
    Assignees: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD., JIANGSU YANGNONG CHEMICAL CO., LTD.
    Inventors: Aiying Guan, Miao Li, Junfeng Wang, Leichuan Xu, Qin Sun, Xufeng Sun, Jinqiang Sun, Changling Liu
  • SUBSTITUTED PYRIMIDINE COMPOUND AND PREPARATION METHOD AND USE THEREOF
    Publication number: 20210015100
    Abstract: The present invention discloses a substituted pyrimidine compound. The structure is shown in general formula I. The definition of each substituent in the formula is described in the description. The compound of the present invention has broad-spectrum fungicidal, insecticidal and acaricidal activity, and has excellent control effects on cucumber downy mildew, powdery mildew, corn rust, anthrax, rice blast, aphids, Tetranychus cinnabarinus and the like.
    Type: Application
    Filed: November 22, 2018
    Publication date: January 21, 2021
    Applicant: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD.
    Inventors: Aiying GUAN, Miao LI, Junfeng WANG, Leichuan XU, Qin SUN, Xufeng SUN, Jinqiang SUN, Changling LIU