Patents by Inventor Young Eun Cheon

Young Eun Cheon 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: 12595183
    Abstract: A method for producing a sheet phase pseudo-boehmite. The method includes: a) putting an organic acid into an aqueous solution in which an aluminum precursor is dispersed; and b) putting a product from the process of a) into a Taylor reactor, wherein a pressure of the Taylor reactor is 1 to 100 bar.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: April 7, 2026
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Dong Min Yun, Hye Jin Park, Young Eun Cheon, Dae Hyun Choo
  • Publication number: 20250201819
    Abstract: A silicon-carbon-containing electrode material including a porous carbon structure and a silicon-containing coating layer formed on the porous carbon structure. A volume ratio of micropores in the porous carbon structure having a pore diameter of 2 nm or less in a total pore volume is greater than 50% and less than 90%. A lithium secondary battery comprising the anode which comprises the silicon-carbon-containing electrode material and a cathode disposed to face to the anode. The lithium secondary battery employing the silicon-containing electrode exhibits improved lifespan and efficiency characteristics.
    Type: Application
    Filed: December 13, 2024
    Publication date: June 19, 2025
    Inventors: Hee Soo KIM, Yeon Ho KIM, Young Kwang KIM, Young Eun CHEON, Joon Hyung MOON, Hye Jin PARK
  • Publication number: 20250144605
    Abstract: A catalyst and a preparation method thereof, the catalyst providing a high production yield of C8 aromatic hydrocarbons in the conversion of a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through at least one of disproportionation, transalkylation, and dealkylation while reducing a content of ethylbenzene in the product.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim
  • Publication number: 20250070385
    Abstract: Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.
    Type: Application
    Filed: November 15, 2024
    Publication date: February 27, 2025
    Inventors: Jae Suk CHOI, Seon Ju LIM, Sang Yoon JI, Hye Jin PARK, Seung Woo LEE, Chang Q LEE, Young Eun CHEON
  • Patent number: 12166235
    Abstract: Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: December 10, 2024
    Assignees: SK INNOVATION CO., LTD., SK IE TECHNOLOGY CO., LTD.
    Inventors: Jae Suk Choi, Seon Ju Lim, Sang Yoon Ji, Hye Jin Park, Seung Woo Lee, Chang Q Lee, Young Eun Cheon
  • Publication number: 20240367157
    Abstract: Provided is a dehydrogenation catalyst having single-atom cobalt loaded onto a support including a zirconia core surface-modified with silica, a method for producing the dehydrogenation catalyst, and a method for producing corresponding olefin through dehydrogenation of paraffin, particularly light paraffin, in the presence of the dehydrogenation catalyst.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 7, 2024
    Inventors: Ju Hwan Im, Dong Min Yun, Ho Won Lee, Young Eun Cheon, Hee Soo Kim
  • Patent number: 12064750
    Abstract: Provided is a dehydrogenation catalyst having single-atom cobalt loaded onto a support including a zirconia core surface-modified with silica, a method for producing the dehydrogenation catalyst, and a method for producing corresponding olefin through dehydrogenation of paraffin, particularly light paraffin, in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: August 20, 2024
    Assignee: SK Innovation Co., Ltd.
    Inventors: Ju Hwan Im, Dong Min Yun, Ho Won Lee, Young Eun Cheon, Hee Soo Kim
  • Publication number: 20240128443
    Abstract: A silicon-carbon containing electrode material includes a porous carbon structure including pores, and a silicon-containing coating formed on the porous carbon structure. A volume ratio of mesopores is 70% or more based on a total pore volume of the porous carbon structure. A weight ratio of silicon is 30 wt % or more based on a total weight of the electrode material. A high-capacity secondary battery is effectively implemented by using silicon-carbon containing electrode material.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 18, 2024
    Inventors: Hee Soo KIM, Yeon Ho KIM, Young Kwang KIM, Young Eun CHEON, Gwi Ok PARK, Seok Keun YOO
  • Publication number: 20240018422
    Abstract: Disclosed are a process and system that are capable of performing selective hydrogenation on aromatic fractions by configuring a catalyst bed through staged loading of a plurality of hydrogenation catalysts with different catalytic properties, or configuring a catalyst system in which a plurality of hydrogenation catalysts are arranged using a plurality of reactors in such a way as to be equivalent with the staged loading, and as a result, are capable of suppressing aromatic loss while improving the selective removal of unsaturated hydrocarbons in the aromatic fraction and durability compared to the case of using a single catalyst.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 18, 2024
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Patent number: 11802248
    Abstract: Disclosed are a process and system that are capable of performing selective hydrogenation on aromatic fractions by configuring a catalyst bed through staged loading of a plurality of hydrogenation catalysts with different catalytic properties, or configuring a catalyst system in which a plurality of hydrogenation catalysts are arranged using a plurality of reactors in such a way as to be equivalent with the staged loading, and as a result, are capable of suppressing aromatic loss while improving the selective removal of unsaturated hydrocarbons in the aromatic fraction and durability compared to the case of using a single catalyst.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: October 31, 2023
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Patent number: 11766664
    Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded onto a silica support that has undergone pretreatment including a thermal treatment and a high-temperature aqueous treatment (reaction), a preparation method therefor, and a method for producing olefins by dehydrogenating corresponding paraffins, particularly light paraffins in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: September 26, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young Eun Cheon, Hee Soo Kim, Dong Min Yun, Ho Won Lee, Ju Hwan Im
  • Publication number: 20230299421
    Abstract: Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Inventors: Jae Suk CHOI, Seon Ju LIM, Sang Yoon JI, Hye Jin PARK, Seung Woo LEE, Chang Q LEE, Young Eun CHEON
  • Publication number: 20230249166
    Abstract: Disclosed are a catalyst and a preparation method therefor, the catalyst being able to maintain a high production yield of C8 aromatic hydrocarbons in the process of converting a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through disproportionation/transalkylation/dealkylation while reducing a content of ethylbenzene in the products.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim
  • Patent number: 11701640
    Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded onto a silica support that has undergone pretreatment including a thermal treatment and a high-temperature aqueous treatment (reaction), a preparation method therefor, and a method for producing olefins by dehydrogenating corresponding paraffins, particularly light paraffins in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: July 18, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young Eun Cheon, Hee Soo Kim, Dong Min Yun, Ho Won Lee, Ju Hwan Im
  • Publication number: 20230216144
    Abstract: Provided are a separator and a method for producing the same, and more particularly, a separator which may secure battery stability and has characteristics of significantly low heat shrinkage even at a high temperature and minimally increased resistance, and a method for producing the same. The separator according to the present disclosure includes: a porous substrate; and an inorganic particle layer positioned on one or both surfaces of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a sheet-shaped inorganic binder.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 6, 2023
    Inventors: Chang Q LEE, Sang Yoon Ji, Hye Jin PARK, Young Eun CHEON, Sang Hoon KIM, Jae Suk CHOI
  • Publication number: 20230216141
    Abstract: Provided are a separator and a method for producing the same, and more particularly, a separator which may secure battery stability and has characteristics of significantly low heat shrinkage even at a high temperature and minimally increased resistance, and a method for producing the same. The separator according to the present disclosure includes: a porous substrate; and an inorganic particle layer positioned on one or both surfaces of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a rod-shaped inorganic binder.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 6, 2023
    Inventors: Chang Q LEE, Sang Yoon Ji, Hye Jin Park, Young Eun Cheon, Sang Hoon Kim, Jae Suk Choi
  • Publication number: 20230207960
    Abstract: A method for producing a sheet phase pseudo-boehmite. The method includes: a) putting an organic acid into an aqueous solution in which an aluminum precursor is dispersed; and b) putting a product from the process of a) into a Taylor reactor, wherein a pressure of the Taylor reactor is 1 to 100 bar.
    Type: Application
    Filed: December 27, 2022
    Publication date: June 29, 2023
    Inventors: Dong Min Yun, Hye Jin Park, Young Eun Cheon, Dae Hyun Choo
  • Patent number: 11660588
    Abstract: Disclosed are a catalyst and a preparation method therefor, the catalyst being able to maintain a high production yield of C8 aromatic hydrocarbons in the process of converting a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through disproportionation/transalkylation/dealkylation while reducing a content of ethylbenzene in the products.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 30, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim
  • Patent number: 11648544
    Abstract: Disclosed are a bifunctional catalyst and a preparation method therefor, the bifunctional catalyst being suitable to produce high-value aromatic hydrocarbons by subjecting alkylaromatic hydrocarbons to a disproportionation/transalkylation/dealkylation reaction while suppressing aromatic loss or subjecting C8 aromatic hydrocarbons to an isomerization reaction while suppressing xylene loss.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: May 16, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Publication number: 20230144299
    Abstract: Provided are a method for producing boehmite nanoparticles and an apparatus for producing the same, and more particularly, a method for producing boehmite nanoparticles and an apparatus for producing the same, which allow continuous production of nano-sized boehmite nanoparticles in a uniform size. The method for producing boehmite nanoparticles includes (S1) supplying a mixture including an aluminum hydroxide and an organic acid to a reaction unit; and (S2) heating and pressurizing the mixture supplied to the reaction unit simultaneously and sequentially.
    Type: Application
    Filed: November 8, 2022
    Publication date: May 11, 2023
    Inventors: Seung Woo Lee, Chang Q Lee, Jae Suk Choi, Hye Jin Park, Young Eun Cheon