Patents by Inventor Young-Shin Jun

Young-Shin Jun 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).

  • Patent number: 12145128
    Abstract: The present disclosure relates to biodegradable materials and methods of removing using the biodegradable materials to remove phosphorus from water. Additionally, the biodegradable materials may be used as a fertilizer.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: November 19, 2024
    Assignee: Washington University
    Inventors: Young-Shin Jun, Doyoon Kim
  • Patent number: 12030020
    Abstract: A photothermal distillation membrane including a polydopamine (PDA) coated, polyvinylidene fluoride (PVDF) membrane is disclosed, as well as a process for synthesizing same. A photothermal aerogel membrane including a polydopamine (PDA)-containing bacterial nanocellulose (BNC) is also disclosed, as well as a process for synthesizing same.
    Type: Grant
    Filed: June 7, 2023
    Date of Patent: July 9, 2024
    Assignee: Washington University
    Inventors: Young-Shin Jun, Srikanth Singamaneni, Xuanhao Wu, Qisheng Jiang
  • Publication number: 20230321608
    Abstract: A photothermal distillation membrane including a polydopamine (PDA) coated, polyvinylidene fluoride (PVDF) membrane is disclosed, as well as a process for synthesizing same. A photothermal aerogel membrane including a polydopamine (PDA)-containing bacterial nanocellulose (BNC) is also disclosed, as well as a process for synthesizing same.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 12, 2023
    Inventors: Young-Shin Jun, Srikanth Singamaneni, Xuanhao Wu, Qisheng Jiang
  • Publication number: 20230249100
    Abstract: Abstract: Described herein is a process for obtaining rare earth elements from coal-based resources. Advantages of this process include low energy demands, application of environmentally-friendly solvents, and high purities of obtained rare earth elements.
    Type: Application
    Filed: July 7, 2021
    Publication date: August 10, 2023
    Inventors: Young-Shin JUN, Yaguang ZHU
  • Patent number: 11717792
    Abstract: A photothermal distillation membrane comprising a tridecafluoro-1,1,2,2-tetrahydrooctyl-trichlorosilane (FTCS) fluoro-silanized, polydopamine (PDA) coated, polyvinylidene fluoride (PVDF) membrane is disclosed, as well as a process for synthesizing a FTCS-PDA-PVDF membrane. A tridecafluoro-1,1,2,2-tetrahydrooctyl-trichlorosilane (FTCS) fluoro-silanized, polydopamine (PDA) containing bacterial nanocellulose (BNC) aerogel membrane is also disclosed, as well as a process for synthesizing a FTCS-PDA/BNC aerogel membrane.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: August 8, 2023
    Assignee: Washington University
    Inventors: Young-Shin Jun, Srikanth Singamaneni, Xuanhao Wu, Qisheng Jiang
  • Publication number: 20230110361
    Abstract: The present disclosure relates to biodegradable materials and methods of removing using the biodegradable materials to remove phosphorus from water. Additionally, the biodegradable materials may be used as a fertilizer.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 13, 2023
    Inventors: Young-Shin Jun, Doyoon Kim, Albern X. Tan
  • Patent number: 11219876
    Abstract: A method of forming birnessite ?-MnO2 nanosheets is provided. The method includes oxidizing manganese (Mn2+) in the presence of a source of nitrate and a light source.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: January 11, 2022
    Assignee: Washington University
    Inventors: Young-Shin Jun, Haesung Jung
  • Publication number: 20220001048
    Abstract: Self-sterilizing filtration materials are disclosed that include at least one polydopamine-functionalized layer. The at least one polydopamine-functionalized layer is configured to heat to a sterilization temperature when illuminated by light with a light intensity. The self-sterilizing filtration materials may be included in a filtering respirator mask. Methods of sterilizing filtration materials and filtering respirator masks containing at least one polydopamine-functionalized layer by exposing to sunlight are also disclosed. In addition, methods of producing a self-sterilizing filtering respirator mask by polydopamine-functionalizing at least one layer of the filtration material in an existing filtering respirator mask.
    Type: Application
    Filed: July 2, 2021
    Publication date: January 6, 2022
    Applicant: Washington University
    Inventors: Young-Shin Jun, Srikanth Singamaneni
  • Publication number: 20210023505
    Abstract: A photothermal distillation membrane comprising a tridecafluoro-1,1,2,2-tetrahydrooctyl-trichlorosilane (FTCS) fluoro-silanized, polydopamine (PDA) coated, polyvinylidene fluoride (PVDF) membrane is disclosed, as well as a process for synthesizing a FTCS-PDA-PVDF membrane. A tridecafluoro-1,1,2,2-tetrahydrooctyl-trichlorosilane (FTCS) fluoro-silanized, polydopamine (PDA) containing bacterial nanocellulose (BNC) aerogel membrane is also disclosed, as well as a process for synthesizing a FTCS-PDA/BNC aerogel membrane.
    Type: Application
    Filed: July 27, 2020
    Publication date: January 28, 2021
    Inventors: Young-Shin Jun, Srikanth Singamaneni, Xuanhao Wu, Qisheng Jiang
  • Patent number: 10744461
    Abstract: The present disclosure is directed to ultrafiltration membranes based on bacterial nanocellulose and graphene oxide. In particular, the present disclosure is directed to the novel design and incorporation of membranes for realizing new, highly efficient, and environmentally-friendly anti-biofouling membranes for water purification.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: August 18, 2020
    Assignee: Washington University
    Inventors: Srikanth Singamaneni, Young-Shin Jun, Qisheng Jiang, Deoukchen Ghim
  • Publication number: 20190329217
    Abstract: The present disclosure relates to biodegradable materials and methods of removing using the biodegradable materials to remove phosphorus from water. Additionally, the biodegradable materials may be used as a fertilizer.
    Type: Application
    Filed: April 29, 2019
    Publication date: October 31, 2019
    Applicant: Washington University
    Inventors: Young-Shin Jun, Doyoon Kim
  • Publication number: 20190284061
    Abstract: A method of forming birnessite ?-MnO2 nanosheets is provided. The method includes oxidizing manganese (Mn2+) in the presence of a source of nitrate and a light source.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 19, 2019
    Inventors: Young-Shin Jun, Haesung Jung
  • Publication number: 20190247793
    Abstract: The present disclosure is directed to ultrafiltration membranes based on bacterial nanocellulose and graphene oxide. In particular, the present disclosure is directed to the novel design and incorporation of membranes for realizing new, highly efficient, and environmentally-friendly anti-biofouling membranes for water purification.
    Type: Application
    Filed: February 14, 2019
    Publication date: August 15, 2019
    Applicant: WASHINGTON UNIVERSITY
    Inventors: Srikanth Singamaneni, Young-Shin Jun, Qisheng Jiang, Deoukchen Ghim