Patents by Inventor Yuxian Yuan

Yuxian Yuan 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).

  • CONTROLLED-RELEASE FERTILIZER AND PREPARATION METHOD THEREFOR TECHNICAL FIELD
    Publication number: 20240083825
    Abstract: A controlled-release fertilizer including an inside core of water-soluble fertilizer particle and an outer layer coating material, wherein the coating material is a bentonite modified or sodium bentonite modified waterborne polymer; and a preparation method including: weighing the fertilizer core particle and the modified waterborne polymer emulsion according to the amount, preparing a semi-processed coating controlled-release fertilizer by using a coating machine, and placing the semi-processed coating controlled-release fertilizer in an oven for postprocessing to improve the compactness of the film material.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 14, 2024
    Inventors: Zijun Zhou, Yusheng Qin, Song Guo, Kun Chen, Xiangzhong Zeng, Hua Yu, Mingjiang He, Yuxian Shangguan, Yurou Dai, Wanzhen Yuan
  • Jewelry box
    Patent number: D957129
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: July 12, 2022
    Inventor: Yuxian Yuan
  • Arc watch box
    Patent number: D970218
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 22, 2022
    Inventor: Yuxian Yuan
  • Organizer
    Patent number: D998707
    Type: Grant
    Filed: January 2, 2022
    Date of Patent: September 12, 2023
    Inventor: Yuxian Yuan
  • Men's watch box
    Patent number: D1005683
    Type: Grant
    Filed: January 2, 2022
    Date of Patent: November 28, 2023
    Inventor: Yuxian Yuan