Patents by Inventor Dong-Joo Yoo

Dong-Joo Yoo 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).

  • ELECTROLYTE FOR LITHIUM METAL BATTERY AND LITHIUM METAL BATTERY INCLUDING SAME
    Publication number: 20250015351
    Abstract: The present disclosure provides an electrolyte for a lithium metal battery, containing a lithium salt, a solvent and a diluent including 1,2-difluorobenzene, wherein the lithium salt comprises one or more selected from the group consisting of lithium bis(fluorosulfonyl)imide (LiFSI), lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), and lithium hexafluorophosphate (LiPF6), the solvent comprises one or more selected from the group consisting of dimethyl carbonate (DMC), diethyl carbonate (DEC), ethyl methyl carbonate (EMC), ethylene carbonate (EC), and propylene carbonate (PC).
    Type: Application
    Filed: April 26, 2022
    Publication date: January 9, 2025
    Inventors: Jang Wook Choi, Dong Joo Yoo
  • Rechargeable aluminum organic batteries
    Patent number: 12074314
    Abstract: Disclosed herein are rechargeable aluminum organic batteries and active materials used therein. The cathodic materials used herein comprise a macrocycle comprising a substituted or unsubstituted phenanthrenequinone unit and a graphite flake.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: August 27, 2024
    Assignees: Northwestern University, King Abdulaziz City for Science and Technology (KACST), Seoul National University R&DB Foundation
    Inventors: James Fraser Stoddart, Dong Jun Kim, Jang Wook Choi, Dong-Joo Yoo
  • Hair browning composition and hair browning method using same
    Patent number: 11672745
    Abstract: A hair browning composition is capable of browning the hair without damage to the scalp and hair due to the absence of an alkaline agent, an oxidizing agent, and an aromatic amine-based compound having an improved hair browning effect and a prolonged browning effect-lasting period. The composition includes gallic acid, magnesium ascorbyl phosphate, and tromethamine.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: June 13, 2023
    Assignee: GACHON UNIV OF INDUSTRY-ACADEMIC COOPERATION FDN
    Inventors: Bong Kyu Yoo, Karthikeyan Selvaraj, Dong Joo Yoo
  • Rechargeable Aluminum Organic Batteries
    Publication number: 20210242452
    Abstract: Disclosed herein are rechargeable aluminum organic batteries and active materials used therein. The cathodic materials used herein comprise a macrocycle comprising a substituted or unsubstituted phenanthrenequinone unit and a graphite flake.
    Type: Application
    Filed: July 19, 2019
    Publication date: August 5, 2021
    Inventors: James Fraser Stoddart, Dong Jun Kim, Jang Wook Choi, Dong-Joo Yoo