Patents by Inventor Guowen Huang

Guowen Huang 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).

  • Purification material for rare earth metal or rare earth alloy and preparation method thereof and purification method for rare earth metal or rare earth alloy
    Patent number: 11731102
    Abstract: The present disclosure provides a purification material for a rare earth metal or rare earth alloy and a preparation method thereof and a purification method for a rare earth metal or rare earth alloy. The purification material includes the following raw materials in mass percentage: 30% to 45% of a tungsten powder, 30% to 50% of a rare earth oxide, 5% to 10% of zirconia, 10% to 15% of a binder, and 1% to 5% of a rare earth hydride.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: August 22, 2023
    Assignee: GANZHOU CHENGUANG RARE EARTHS NEW MATERIAL CO., LTD.
    Inventors: Shaohua Yang, Hui Li, Ping Huang, Fangsong He, Yao Xie, Guangdong Wu, Kangwei Xie, Guowen Huang, Senlin Ouyang