Patents by Inventor Soul-Hee LEE

Soul-Hee LEE 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 of purifying boron nitride nanotubes
    Patent number: 11186484
    Abstract: Disclosed is a method of purifying boron nitride nanotubes through a simplified process. Specifically, the method includes preparing a starting solution containing boron nitride nanotubes (BNNTs), a dispersant and a solvent, centrifuging the starting solution or allowing the starting solution to stand to collect a supernatant, adding an acid to the supernatant and filtering a resulting product.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: November 30, 2021
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seokhoon Ahn, Se Gyu Jang, Myung Jong Kim, Hun-Su Lee, Soul-Hee Lee, Min Sung Kang, Sangseok Lee, Yongho Joo
  • METHOD OF PURIFYING BORON NITRIDE NANOTUBES
    Publication number: 20210114875
    Abstract: Disclosed is a method of purifying boron nitride nanotubes through a simplified process. Specifically, the method includes preparing a starting solution containing boron nitride nanotubes (BNNTs), a dispersant and a solvent, centrifuging the starting solution or allowing the starting solution to stand to collect a supernatant, adding an acid to the supernatant and filtering a resulting product.
    Type: Application
    Filed: April 9, 2020
    Publication date: April 22, 2021
    Inventors: Seokhoon AHN, Se Gyu JANG, Myung Jong KIM, Hun-Su LEE, Soul-Hee LEE, Min Sung KANG, Sangseok LEE, Yongho JOO