Patents by Inventor Dong Chan Koo

Dong Chan Koo 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: 11897824
    Abstract: Provided is a method of preparing an activated mineral solution, which includes steps of pulverizing granite and/or vermiculite into a powder by grinding, subjecting the powder to an electrolysis treatment, dissolving the powder in an aqueous ammonia solution and an acidic solution to prepare a mixed solution, emitting ultrasonic waves on the mixed solution, introducing microorganisms onto the mixed solution, and neutralizing the mixed solution, in which the mineral is selected from the group consisting of Fe, Mg, Al, Ti, K, Ca, Mn, Nb, P, Na, Zn, V, Cr, Ni, Si, B, Cu, Li, Ga, Co, Sr, In, Rb, Sb, Ta, Y, and combinations thereof.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: February 13, 2024
    Inventor: Dong Chan Koo
  • Patent number: 11834342
    Abstract: A method of preparing an ionized calcium oxide powder is provided, including steps of washing and drying shellfish, pulverizing the shellfish into a powder, subjecting the powder to a heat treatment, subjecting the powder to an electrolysis treatment, and subjecting the powder to an ultrasonic treatment.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: December 5, 2023
    Inventor: Dong Chan Koo
  • Publication number: 20210238050
    Abstract: A method of preparing an ionized calcium oxide powder is provided, including steps of washing and drying shellfish, pulverizing the shellfish into a powder, subjecting the powder to a heat treatment, subjecting the powder to an electrolysis treatment, and subjecting the powder to an ultrasonic treatment.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 5, 2021
    Inventor: Dong Chan Koo
  • Publication number: 20210237006
    Abstract: Provided is a method of preparing an activated mineral solution, which includes steps of pulverizing granite and/or vermiculite into a powder by grinding, subjecting the powder to an electrolysis treatment, dissolving the powder in an aqueous ammonia solution and an acidic solution to prepare a mixed solution, emitting ultrasonic waves on the mixed solution, introducing microorganisms onto the mixed solution, and neutralizing the mixed solution, in which the mineral is selected from the group consisting of Fe, Mg, Al, Ti, K, Ca, Mn, Nb, P, Na, Zn, V, Cr, Ni, Si, B, Cu, Li, Ga, Co, Sr, In, Rb, Sb, Ta, Y, and combinations thereof.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 5, 2021
    Inventor: Dong Chan Koo