Patents by Inventor Liuqing HE

Liuqing HE 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).

  • Method for extracting rare earth elements from rare earth element hyperaccumulator
    Patent number: 11834729
    Abstract: A method for extracting rare earth elements (REEs) from a REE hyperaccumulator, including: subjecting the REE hyperaccumulator to microwave-assisted digestion to obtain a REE extract; subjecting the REE extract to absorption with a chelating resin and elution to obtain a purified REE solution; and subjecting the purified REE solution to precipitation and calcination to obtain high-purity rare earth compound.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: December 5, 2023
    Assignee: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences
    Inventors: Jianxi Zhu, Hongping He, Gaofeng Wang, Yuanyuan Wang, Mingqi Sun, Liuqing He, Xiaoliang Liang, Jingming Wei, Qingze Chen, Runliang Zhu
  • METHOD FOR EXTRACTING RARE EARTH ELEMENTS FROM RARE EARTH ELEMENT HYPERACCUMULATOR
    Publication number: 20230151456
    Abstract: A method for extracting rare earth elements (REEs) from a REE hyperaccumulator, including: subjecting the REE hyperaccumulator to microwave-assisted digestion to obtain a REE extract; subjecting the REE extract to absorption with a chelating resin and elution to obtain a purified REE solution; and subjecting the purified REE solution to precipitation and calcination to obtain high-purity rare earth compound.
    Type: Application
    Filed: January 13, 2023
    Publication date: May 18, 2023
    Inventors: Jianxi ZHU, Hongping HE, Gaofeng WANG, Yuanyuan WANG, Mingqi SUN, Liuqing HE, Xiaoliang LIANG, Jingming WEI, Qingze CHEN, Runliang ZHU