Patents by Inventor Chang Wook SEOL

Chang Wook SEOL 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: 11390566
    Abstract: Described herein are a bonded ceramic and a manufacturing method therefor. The bonded ceramic includes: a first ceramic substrate; and a second ceramic substrate, wherein the first ceramic substrate and the second ceramic substrate are bonded to each other without an adhesive layer therebetween and include pores, each of which is formed along a bonded surface therebetween and has a size of 0.01 to 50 ?m.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: July 19, 2022
    Assignee: TOKAI CARBON KOREA CO., LTD
    Inventor: Chang Wook Seol
  • Patent number: 11072532
    Abstract: Described herein is a method for manufacturing an activated carbon for an electrode material, the method including a step of heat-treating an activated carbon material in an atmosphere containing a chlorine-containing gas, wherein the content of metal impurities contained in the activated carbon material after the heat treating step is 0.1 to 20 ppm.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: July 27, 2021
    Assignee: TOKAI CARBON KOREA CO., LTD
    Inventor: Chang Wook Seol
  • Publication number: 20210179435
    Abstract: The present invention relates to an activated carbon and a method for manufacturing same and, more specifically, to: an activated carbon containing micropores and mesopores, wherein a micropore volume per unit mass is 0.9 cm3/g or less and a volume fraction of pores having a diameter of 5 ? or more in the micropore volume per unit mass is 50% or more; and a method for manufacturing same.
    Type: Application
    Filed: September 13, 2018
    Publication date: June 17, 2021
    Applicant: TOKAI CARBON KOREA CO., LTD
    Inventor: Chang Wook SEOL
  • Publication number: 20200331812
    Abstract: Described herein are a bonded ceramic and a manufacturing method therefor. The bonded ceramic includes: a first ceramic substrate; and a second ceramic substrate, wherein the first ceramic substrate and the second ceramic substrate are bonded to each other without an adhesive layer therebetween and include pores, each of which is formed along a bonded surface therebetween and has a size of 0.01 to 50 ?m.
    Type: Application
    Filed: November 23, 2018
    Publication date: October 22, 2020
    Inventor: Chang Wook SEOL
  • Publication number: 20200317586
    Abstract: Described herein are a bonded ceramic having a channel through which a fluid can flow, and a method for manufacturing the same. The bonded ceramic includes: a first ceramic base material; and a second ceramic base material, wherein: the first ceramic base material and the second ceramic base material are bonded by adhesive layer-free bonding; a pattern is formed on either or both of the bonding surface of the first ceramic base material where the first ceramic base material comes in contact with the second ceramic base material and the bonding surface of the second ceramic base material where the second ceramic base material comes in contact with the first ceramic base material; and the bonded ceramic includes pores having a size of 0.01 ?m to 50 ?m and formed along the bonding surface between the first ceramic base material and the second ceramic base material.
    Type: Application
    Filed: November 23, 2018
    Publication date: October 8, 2020
    Inventor: Chang Wook SEOL
  • Publication number: 20200317528
    Abstract: Described herein is a method for manufacturing an activated carbon for an electrode material, the method including a step of heat-treating an activated carbon material in an atmosphere containing a chlorine-containing gas, wherein the content of metal impurities contained in the activated carbon material after the heat treating step is 0.1 to 20 ppm.
    Type: Application
    Filed: November 23, 2018
    Publication date: October 8, 2020
    Inventor: Chang Wook SEOL
  • Publication number: 20200165138
    Abstract: The present invention relates to a method for manufacturing activated carbon for electrode material, and, more specifically, to activated carbon having alkali metal content of 50 ppm or less for electrode material, and to a method for manufacturing the activated carbon.
    Type: Application
    Filed: August 14, 2018
    Publication date: May 28, 2020
    Applicant: TOKAI CARBON KOREA CO., LTD
    Inventor: Chang Wook SEOL