Patents Assigned to Heesung Catalysts Corporation
  • Patent number: 11904299
    Abstract: This disclosure is directed to catalyst compositions, catalytic articles for purifying exhaust gas emissions and methods of making and using the same. In particular, the disclosure relates to a catalytic article including a catalytic material on a substrate, wherein the catalytic material has a first layer and a second layer. The first layer provides effective lean NOx trap functionality and the second layer provides effective three-way conversion of carbon monoxide, hydrocarbons, and nitrogen oxides (NOx).
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: February 20, 2024
    Assignees: BASF Corporation, Heesung Catalysts Corporation
    Inventors: Xiaolai Zheng, Patrick L Burk, Jinwoo Song, Jun Lee
  • Patent number: 11826737
    Abstract: Disclosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: November 28, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Heesung Catalysts Corporation
    Inventors: Pyung Soon Kim, Young Jin Kim, Chang Hwan Kim, Seung Chul Na, Seung Ho Oh, Young San Yoo, Ho Dong Kim
  • Patent number: 11813599
    Abstract: A method for coating a monolithic porous catalyst support having a plurality of channels formed in a longitudinal direction with a catalyst slurry, and a device therefor are proposed. A pressure dispersion coating device for a porous catalyst support includes: a slurry quantitative input means; a container being variable in volume, having an open upper part thereof into which a slurry is input by the slurry quantitative input means, and having a bottom thereof movable; a container moving means fastened to one side of the container; a moving means fastened to a lower part of the container and having a shaft connected to the bottom of the container; an overflow outlet being formed on a side part of the container and provided with a valve; and a pressurizing means disposed on the open upper part of the container.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: November 14, 2023
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Dong-Sun Seo, Myeong-cheol Seon, Seung-bok Yu
  • Patent number: 11679380
    Abstract: A double-layer structured catalyst for use in dehydrogenation of light hydrocarbon gas within a range of C3 to C6, configured such that platinum, tin, and an alkali metal are carried in a phase-changed carrier, wherein the tin component is present in an entire region inside the carrier, and the platinum and the tin form a single complex and are present in an alloy form within a range of a predetermined thickness from an outer periphery of the carrier.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: June 20, 2023
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Young-san Yoo, Hyun A Choi, Dong Kun Kang, Young Ho Lee
  • Patent number: 11344875
    Abstract: Disclosed is a NOx-trapping catalyst having a non-platinum-group-metal NOx-trapping layer, which contains a transition metal, particularly manganese, able to maintain NOx-trapping performance while decreasing the amount of expensive platinum-group metal.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: May 31, 2022
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Narayana Rao Komateedi, Jin-Woo Song
  • Patent number: 11305266
    Abstract: The present disclosures relate to a catalyst for removing a nitrogen oxide and a manufacturing method thereof, and the catalyst for removing the nitrogen oxide includes: a first catalyst that includes a zeolite support containing copper and having a first framework; and a second catalyst that is physically mixed with the first catalyst and includes a zeolite support containing copper and having a second framework different from the first framework.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: April 19, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HEESUNG CATALYSTS CORPORATION
    Inventors: Young Jin Kim, Chang Hwan Kim, Pyung Soon Kim, Eunseok Kim, Yong Sul Kim
  • Publication number: 20220111369
    Abstract: Disdosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HEESUNG CATALYSTS CORPORATION
    Inventors: Pyung Soon Kim, Young Jin Kim, Chang Hwan Kim, Seung Chul Na, Seung Ho Oh, Young San Yoo, Ho Dong Kim
  • Patent number: 11266979
    Abstract: The present invention relates to a method for preparing a dehydrogenation catalyst for a straight chain-type light hydrocarbon using a stabilized active metal composite, in other words, to a dehydrogenating catalyst for C3 to C4 straight chain hydrocarbons, and more specifically, to a technique for preparing a catalyst in which most of metal components contained in the catalyst are distributed evenly in a support in the form of an alloy rather than in the form of each separate metal, thereby exhibiting a high conversion rate and selectivity when used in dehydrogenation.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: March 8, 2022
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Young-san Yoo, Ho-Dong Kim, Hyun-Woo Lee
  • Patent number: 11135572
    Abstract: The present invention relates to a method for preparing a supported catalyst comprising a crystalline Pd—Rh alloy, the method comprising the steps of: (i) producing an impregnated support by means of mixing an inorganic support, a Pd precursor solution and an Rh precursor solution; and (ii) thermally treating the impregnated support in a reducing gas atmosphere.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: October 5, 2021
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Seung Chul Na, Jin-Woo Song, Narayana Rao Komateedi, Kwi-Yeon Lee
  • Publication number: 20210283580
    Abstract: This disclosure is directed to catalyst compositions, catalytic articles for purifying exhaust gas emissions and methods of making and using the same. In particular, the disclosure relates to a catalytic article including a catalytic material on a substrate, wherein the catalytic material has a first layer and a second layer. The first layer provides effective lean NOx trap functionality and the second layer provides effective three-way conversion of carbon monoxide, hydrocarbons, and nitrogen oxides (NOx).
    Type: Application
    Filed: June 11, 2019
    Publication date: September 16, 2021
    Applicants: BASF Corporation, Heesung Catalysts Corporation
    Inventors: Xiaolai ZHENG, Patrick L. BURK, Jinwoo SONG, Jun LEE
  • Publication number: 20210205796
    Abstract: The present disclosures relate to a catalyst for removing a nitrogen oxide and a manufacturing method thereof, and the catalyst for removing the nitrogen oxide includes: a first catalyst that includes a zeolite support containing copper and having a first framework; and a second catalyst that is physically mixed with the first catalyst and includes a zeolite support containing copper and having a second framework different from the first framework.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 8, 2021
    Applicants: HYUNDAI MOTOR COMPANY, Kia Motors Corporation, HEESUNG CATALYSTS CORPORATION
    Inventors: Young Jin KIM, Chang Hwan KIM, Pyung Soon KIM, Eunseok KIM, Yong Sul KIM
  • Patent number: 11040333
    Abstract: The present invention relates to a catalyst having improved selectivity and reactivity and applied to preparing olefins by dehydrogenating C9 to C13 paraffin, and particularly to a technique for preparing a catalyst, which uses a heat-treated support having controlled pores, and most of metal components contained therein are distributed evenly in a support in the form of an alloy rather than in the form of each separate metal, thereby exhibiting high a conversion rate and selectivity when used in dehydrogenation.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: June 22, 2021
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Young-san Yoo, Ho-Dong Kim, Dong Kun Kang
  • Publication number: 20210069685
    Abstract: Disclosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 11, 2021
    Applicants: HYUNDAI MOTOR COMPANY, Kia Motors Corporation, HEESUNG CATALYSTS CORPORATION
    Inventors: Pyung Soon KIM, Young Jin KIM, Chang Hwan KIM, Seung Chul NA, Seung Ho OH, Young San YOO, Ho Dong KIM
  • Patent number: 10889503
    Abstract: The present invention relates to zeolite containing Cu2+ (?) and Cu2+ (?) having different NO adsorption capacities loaded at a specific ratio, wherein the zeolite is chabazite (CHA)-type zeolite, particularly chabazite (CHA)-type zeolite loaded with divalent copper ions in which the NO adsorption area ratio of Cu2+ (?)/Cu2+ (?) after exposure to NO (nitrogen oxide) for 180 sec is 80% or more. In addition, the present invention relates to a method of preparing zeolite that is ion-exchanged in a slurry state and to a catalyst including the specified chabazite (CHA)-type zeolite.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: January 12, 2021
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Mi-young Kim, Jin-won Kim, Yong Sul Kim, Eun-seok Kim, Seung Chul Na, Hyun-sik Han
  • Patent number: 10751701
    Abstract: The present invention provides a catalyst composition for inhibiting the inactivation of a catalyst for purification of compressed natural gas combustion system exhaust gas on which a noble metal component comprising platinum and palladium is supported. An oxidation catalyst, for a compressed natural gas vehicle or static combustion system exhaust gas, in which a first alumina impregnated with platinum, a second alumina impregnated with palladium, and a ceria component are supported on a ceramic support, has a barium cocatalyst supported on the first alumina, thereby greatly inhibiting inactivation of a CNG lean burn engine catalyst.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: August 25, 2020
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Eun-seok Kim, Mi-Young Kim, Jun hong Jeon
  • Patent number: 10434499
    Abstract: The present invention relates to diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) catalyst compositions, used for a smoke reduction apparatus, for inhibiting white smoke generated from a diesel engine and, more specifically, to a DOC, enabling minimization of sulphate adsorption, a DPF catalyst, enabling a sulphate desorption delay, and a smoke reduction apparatus having the DOC and DPF catalyst assembled therein. The diesel particulate filter catalyst composition, which is applied to the DPF, comprises oxide components selected from oxide components comprising manganese oxide and silver oxide.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: October 8, 2019
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Eun-seok Kim, Jae-Uk Han, Hyoung-Mun Cho
  • Patent number: 10220380
    Abstract: Disclosed herein is a method of coating a catalyst support, in which a monolithic catalyst support provided therein with a plurality of longitudinally formed channels is quantitatively coated with catalyst slurry applied to post-treatment of exhaust gas, including the steps of: introducing catalyst slurry into a quantitative container whose bottom is vertically moved; moving a catalyst support to the top of a container such that the bottom of the catalyst support and top of the container are horizontally disposed each other; sealing the bottom of the catalyst support and the top of the container from the outside; moving the bottom of the container upward; and applying a vacuum to the channels of the catalyst support.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: March 5, 2019
    Assignee: Heesung Catalysts Corporation
    Inventors: Hyun Sik Han, Seung Chul Na, Sang Yun Han
  • Patent number: 10213769
    Abstract: Disclosed are a catalyst for dehydrogenating a paraffinic hydrocarbon and a method of preparing the same, wherein the catalyst is configured such that a sponge-type alumina support having 3D meso/macro pores is directly impregnated with an active metal, thus decreasing the diffusion resistance of a material, realizing structural stability, and maximizing the distribution of the active metal in the support, thereby significantly increasing olefin conversion and selectivity. In this catalyst, the sponge-type alumina support is directly impregnated with the active metal to thus form an active metal layer inside the support having 3D meso/macro pores that are interconnected to each other.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 26, 2019
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Young-San Yoo, Ho-Dong Kim
  • Publication number: 20190001304
    Abstract: The present invention provides a catalyst composition for inhibiting the inactivation of a catalyst for purification of compressed natural gas combustion system exhaust gas on which a noble metal component comprising platinum and palladium is supported. An oxidation catalyst, for a compressed natural gas vehicle or static combustion system exhaust gas, in which a first alumina impregnated with platinum, a second alumina impregnated with palladium, and a ceria component are supported on a ceramic support, has a barium cocatalyst supported on the first alumina, thereby greatly inhibiting inactivation of a CNG lean burn engine catalyst.
    Type: Application
    Filed: December 16, 2016
    Publication date: January 3, 2019
    Applicant: Heesung Catalysts Corporation
    Inventors: Hyun-sik HAN, Eun-seok KIM, Mi-Young KIM, Jun hong JEON
  • Patent number: 9931615
    Abstract: Disclosed is a catalyst composition for inhibiting the deactivation of a catalyst for purifying exhaust gas from a compressed natural gas combustion system, which contains platinum and palladium as precious metal components. Specifically, a catalyst for purifying exhaust gas from a compressed natural gas vehicle or a static combustion system is configured such that a ceramic substrate is impregnated with palladium-impregnated first alumina, platinum-impregnated second alumina, and a ceria component, wherein the first alumina is further impregnated with a cocatalyst selected from the group consisting of barium, nickel, lanthanum, samarium, and yttrium, thus significantly inhibiting the deactivation of the CNG lean burn engine catalyst.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: April 3, 2018
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Hyun-sik Han, Seung Chul Na, Eun-seok Kim, Joon-Woo Kim