Patents by Inventor Yongjiang LIU

Yongjiang LIU 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).

  • Preparation method for glufosinate
    Patent number: 12145957
    Abstract: A preparation method for glufosinate or a salt, an enantiomer or a mixture of enantiomers in all ratios thereof, the method being especially suitable for the preparation of glufosinate, and greatly shortening steps in an existing preparation process. Especially in the preparation of L-glufosinate, the product can effectively retain the ee value of the raw materials.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: November 19, 2024
    Assignee: LIER CHEMICAL CO., LTD.
    Inventors: Yongjiang Liu, Lei Zhou, Wei Zeng, Min Xu, Ke Cheng
  • Pedal installation structure of boat
    Patent number: 12054233
    Abstract: A pedal installation structure of a boat includes a slide rail, a pull rod, a slider, and a pedal. The slide rail has a plurality of spaced tooth grooves thereon. The pedal is installed on the slider. The slider is slidably installed on the slide rail. The pull rod is installed between the slider and the slide rail. One end of the slider is provided with a rotatable pawl. A lower surface of the pawl is provided with a plurality of spaced teeth. It is convenient to use the pedal that has a simple structure.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: August 6, 2024
    Inventors: Xizhen Lin, Junpeng Yan, Yongjiang Liu
  • Preparation method of glufosinate or derivatives thereof
    Publication number: 20240217996
    Abstract: The present disclosure relates to the preparation method of glufosinate or derivatives thereof.
    Type: Application
    Filed: March 6, 2024
    Publication date: July 4, 2024
    Inventors: Yuedong LI, Yongjiang Liu, Yuting Qin, Xiang Zuo, Ke Cheng, Xiaoliang Zeng, Yingsui Yin
  • Method for preparing glufosinate or analogue thereof
    Patent number: 11932662
    Abstract: The present invention relates to a method for preparing glufosinate or an analogue and an intermediate thereof. The method comprises: a) reacting a compound of formula (II), an alcohol of formula (III) and a compound of formula (V); and b) hydrolyzing the product of the reaction above to obtain glufosinate of formula (IV) or an analogue thereof.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: March 19, 2024
    Assignee: LIER CHEMICAL CO., LTD.
    Inventors: Yongjiang Liu, Min Xu, Lei Zhou, Wei Zeng, Ke Cheng
  • Method for preparing glufosinate or analogues thereof
    Patent number: 11897907
    Abstract: The present invention relates to a method for preparing glufosinate or analogues thereof.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: February 13, 2024
    Assignee: LIER CHEMICAL CO., LTD.
    Inventors: Min Xu, Yongjiang Liu, Lei Zhou, Wei Zeng, Ke Cheng
  • Method for Preparing L-Glufosinate
    Publication number: 20230399348
    Abstract: Provided are a method for preparing L-glufosinate and the intermediate compounds of formula (V) and formula (III).
    Type: Application
    Filed: April 12, 2023
    Publication date: December 14, 2023
    Inventors: Yongjiang Liu, Jie Cai, Min Xu, Tingying Liu, Lei Zhou, Wei Zeng, Ke Cheng, Yingsui Yin
  • Preparation Method for Glufosinate
    Publication number: 20230331750
    Abstract: A preparation method for glufosinate or a salt, an enantiomer or a mixture of enantiomers in all ratios thereof, the method being especially suitable for the preparation of glufosinate, and greatly shortening steps in an existing preparation process. Especially in the preparation of L-glufosinate, the product can effectively retain the ee value of the raw materials.
    Type: Application
    Filed: April 20, 2023
    Publication date: October 19, 2023
    Inventors: Yongjiang LIU, Lei Zhou, Wei Zeng, Min Xu, Ke Cheng
  • PREPARATION METHOD FOR GLUFOSINATE
    Publication number: 20230271985
    Abstract: A preparation method for glufosinate ammonium or a salt thereof, an enantiomer thereof, or mixtures of the enantiomer thereof in all ratios, comprising reacting a compound of formula (II) or a salt, an enantiomer, or mixtures of the enantiomer in all ratios with one or more compounds of formula (III) or mixtures thereof.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Inventors: Yongjiang LIU, Lei ZHOU, Wei ZENG, Min XU, Ke CHENG, Yingsui YIN
  • Method for Preparing Glufosinate or Analogue Thereof
    Publication number: 20230265115
    Abstract: The present invention relates to a method for preparing glufosinate or an analogue and an intermediate thereof. The method comprises: a) reacting a compound of formula (II), an alcohol of formula (III) and a compound of formula (V); and b) hydrolyzing the product of the reaction above to obtain glufosinate of formula (IV) or an analogue thereof.
    Type: Application
    Filed: May 1, 2023
    Publication date: August 24, 2023
    Inventors: Yongjiang LIU, Min XU, Lei ZHOU, Wei ZENG, Ke CHENG
  • METHOD FOR PREPARING GLUFOSINATE OR ANALOGUES THEREOF
    Publication number: 20230257405
    Abstract: The present invention relates to a method for preparing glufosinate or analogues thereof.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 17, 2023
    Inventors: Min XU, Yongjiang LIU, Lei ZHOU, Wei ZENG, Ke CHENG
  • PEDAL INSTALLATION STRUCTURE OF BOAT
    Publication number: 20230202639
    Abstract: A pedal installation structure of a boat includes a slide rail, a pull rod, a slider, and a pedal. The slide rail has a plurality of spaced tooth grooves thereon. The pedal is installed on the slider. The slider is slidably installed on the slide rail. The pull rod is installed between the slider and the slide rail. One end of the slider is provided with a rotatable pawl. A lower surface of the pawl is provided with a plurality of spaced teeth. It is convenient to use the pedal that has a simple structure.
    Type: Application
    Filed: March 16, 2022
    Publication date: June 29, 2023
    Inventors: Xizhen Lin, Junpeng Yan, Yongjiang Liu
  • Preparation method for glufosinate
    Patent number: 11680077
    Abstract: A preparation method for glufosinate or a salt thereof, an enantiomer thereof, or mixtures of the enantiomer thereof in all ratios, comprising reacting a compound of formula (II) or a salt, an enantiomer, or mixtures of the enantiomer in all ratios with one or more compounds of formula (III) or mixtures thereof.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: June 20, 2023
    Assignees: LIER CHEMICAL CO., LTD., GUANGAN LIER CHEMICAL CO., LTD.
    Inventors: Yongjiang Liu, Lei Zhou, Wei Zeng, Min Xu, Ke Cheng, Yingsui Yin
  • Method for preparing L-glufosinate
    Patent number: 11655265
    Abstract: Provided are a method for preparing L-glufosinate and the intermediate compounds of formula (V) and formula (III).
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: May 23, 2023
    Assignees: Lier Chemical Co., Ltd., Guangan Lier Chemical Co., Ltd
    Inventors: Yongjiang Liu, Jie Cai, Min Xu, Tingying Liu, Lei Zhou, Wei Zeng, Ke Cheng, Yingsui Yin
  • Method for Preparing L-Glufosinate
    Publication number: 20220324888
    Abstract: Provided are a method for preparing L-glufosinate and the intermediate compounds of formula (V) and formula (III).
    Type: Application
    Filed: June 15, 2022
    Publication date: October 13, 2022
    Inventors: Yongjiang Liu, Jie Cai, Min Xu, Tingying Liu, Lei Zhou, Wei Zeng, Ke Cheng, Yingsui Yin
  • Preparation method for glufosinate
    Publication number: 20220259232
    Abstract: A preparation method for glufosinate or a salt thereof, an enantiomer thereof, or mixtures of the enantiomer thereof in all ratios, comprising reacting a compound of formula (II) or a salt, an enantiomer, or mixtures of the enantiomer in all ratios with one or more compounds of formula (III) or mixtures thereof.
    Type: Application
    Filed: January 20, 2021
    Publication date: August 18, 2022
    Inventors: Yongjiang LIU, Lei ZHOU, Wei ZENG, Min XU, Ke CHENG, Yingsui YIN