Patents by Inventor Na Young Kang
Na Young Kang 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).
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Publication number: 20240161981Abstract: A multilayer electronic component includes a body including a capacitance forming portion including a dielectric layer and internal electrodes alternately disposed with the dielectric layer in a first direction and a cover portion disposed on one surface and the other surface of the capacitance forming portion in the first direction, and external electrodes disposed on the body, wherein a secondary phase including Al is disposed at an interface between the internal electrode and the dielectric layer, and the ratio of an area occupied by the secondary phase to an area of the capacitance forming portion is 0.03% or more and 0.40% or less.Type: ApplicationFiled: February 2, 2023Publication date: May 16, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Mun Seong JEONG, Jung Min KIM, Jin Kyung PARK, Chang Soo JANG, Su Ji KANG, Na Young KIM
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Patent number: 11679376Abstract: The present invention relates to a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, and can provide a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, the catalyst comprising a porous zeolite, a clay, an inorganic oxide binder, and Ag2O and P2O5 which are supported in the pores and/or on the surface of the porous zeolite.Type: GrantFiled: May 2, 2019Date of Patent: June 20, 2023Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Na Young Kang, Yong Ki Park, Yu Jin Lee
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Publication number: 20230046197Abstract: Provided is a method of converting a hydrocarbon using a catalyst/catalyst support including a PST-32 or PST-2 zeolite, which has an effect of increasing the selectivity/yield of a light olefin product and reducing a side reaction to sustain catalytic activity, in various hydrocarbon conversion reactions, in particular, catalytic cracking of diesel.Type: ApplicationFiled: August 3, 2022Publication date: February 16, 2023Inventors: Suk Bong HONG, Hwajun LEE, Jiho SHIN, Na Young KANG, Yong-Ki PARK
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Patent number: 11542171Abstract: The present invention relates to a method for preparing ZSM-5 zeolite. The present invention can provide a method for preparing ZSM-5 zeolite comprising the steps of: preparing a first solution in a solution state by heating a mixture comprising a silica source, an alumina source, a neutralizing agent and a crystalline ZSM-5 nucleus; preparing a reaction mother liquid by mixing a second solution comprising salts into the first solution; and continuously crystallizing by continuously supplying the reaction mother liquid to a hydrothermal synthesis reactor, wherein formula [1] below is satisfied. 0.20?Wa/Wb?0.Type: GrantFiled: May 2, 2019Date of Patent: January 3, 2023Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Na Young Kang, Yong Ki Park, Chang Hwan Kim, Yu Jin Lee
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Patent number: 11279885Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.Type: GrantFiled: May 10, 2019Date of Patent: March 22, 2022Assignees: KOREA INSTITUTE OF MACHINERY & MATERIALS, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Sungkwon Jo, Seongil Choi, Donghyun Cho, Dae-hoon Lee, Kwan-Tae Kim, Younghoon Song, Yong-Ki Park, Na Young Kang
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Publication number: 20210189258Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.Type: ApplicationFiled: May 10, 2019Publication date: June 24, 2021Inventors: Sungkwon JO, Seongil CHOI, Donghyun CHO, Dae-hoon LEE, Kwan-Tae KIM, Younghoon SONG, Yong-Ki PARK, Na Young KANG
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Publication number: 20210162372Abstract: The present invention relates to a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, and can provide a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, the catalyst comprising a porous zeolite, a clay, an inorganic oxide binder, and Ag2O and P2O5 which are supported in the pores and/or on the surface of the porous zeolite.Type: ApplicationFiled: May 2, 2019Publication date: June 3, 2021Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Na Young KANG, Yong Ki PARK, Yu Jin LEE
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Publication number: 20210155489Abstract: The present invention relates to a method for preparing ZSM-5 zeolite. The present invention can provide a method for preparing ZSM-5 zeolite comprising the steps of: preparing a first solution in a solution state by heating a mixture comprising a silica source, an alumina source, a neutralizing agent and a crystalline ZSM-5 nucleus; preparing a reaction mother liquid by mixing a second solution comprising salts into the first solution; and continuously crystallizing by continuously supplying the reaction mother liquid to a hydrothermal synthesis reactor, wherein formula [1] below is satisfied. 0.20?Wa/Wb?0.Type: ApplicationFiled: May 2, 2019Publication date: May 27, 2021Inventors: Na Young KANG, Yong Ki PARK, Chang Hwan KIM, Yu Jin LEE
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Patent number: 10226757Abstract: A method for preparing trichlorosilane according to an embodiment of the present invention comprises the steps of: supplying surface-modified metal silicide and metal grade silicon to a reaction unit; supplying silicon tetrachloride and hydrogen to the reaction unit; and supplying a product, which is generated by a reaction of metal grade silicon, silicon tetrachloride, and hydrogen in the presence of metal silicide in the reaction unit, to a separation unit, and separating a trichlorosilane component. In cases where a silicon tetrachloride hydrochlorination reaction is performed using the method for preparing trichlorosilane according to the embodiment of the present invention, the yield of trichlorosilane can be raised.Type: GrantFiled: January 19, 2015Date of Patent: March 12, 2019Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Won Choon Choi, Yong Ki Park, Woo Hyung Lee, Hwi Min Seo, Na Young Kang, Joo Hee Han, Dong Ho Lee, Gui Ryong Ahn, Gil Ho Kim
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Patent number: 10131850Abstract: A naphtha and methanol mixed catalytic cracking reaction process involves a simultaneous cracking reaction of naphtha and methanol using a circulating fluidized-bed reactor comprising a reactor, a stripper, and a regenerator. The naphtha is supplied from the bottom part of the reactor at a position between 0%˜5% of the total length of the reactor, and the methanol is supplied from the bottom part of the reactor at a position between 10%˜80% of the total length of the reactor. The catalytic cracking reaction process uses the circulating fluidized-bed reactor and can crack naphtha and methanol simultaneously by having different introduction positions for the naphtha and methanol in the reactor, which is advantageous for heat neutralization, so that energy consumption can be minimized and also the yield of light olefins can be improved by suppressing the production of light saturated hydrocarbons such as methane, ethane and propane.Type: GrantFiled: July 30, 2015Date of Patent: November 20, 2018Assignee: Korea Research Institute of Chemical TechnologyInventors: Na Young Kang, Yong Ki Park, Won Choon Choi, Dae Jin Kim, Hwi Min Seo, Sunyoung Park, Joo Hyeong Oh, Sin Cheol Kang
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Publication number: 20170253811Abstract: A naphtha and methanol mixed catalytic cracking reaction process involves a simultaneous cracking reaction of naphtha and methanol using a circulating fluidized-bed reactor comprising a reactor, a stripper, and a regenerator. The naphtha is supplied from the bottom part of the reactor at a position between 0%˜5% of the total length of the reactor, and the methanol is supplied from the bottom part of the reactor at a position between 10%˜80% of the total length of the reactor. The catalytic cracking reaction process uses the circulating fluidized-bed reactor and can crack naphtha and methanol simultaneously by having different introduction positions for the naphtha and methanol in the reactor, which is advantageous for heat neutralization, so that energy consumption can be minimized and also the yield of light olefins can be improved by suppressing the production of light saturated hydrocarbons such as methane, ethane and propane.Type: ApplicationFiled: July 30, 2015Publication date: September 7, 2017Inventors: Na Young Kang, Yong Ki Park, Won Choon Choi, Dae Jin Kim, Hwi Min Seo, Sunyoung Park, Joo Hyeong Oh, Sin Cheol Kang
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Patent number: 9694312Abstract: The present invention relates to a carbon dioxide capture apparatus having a temperature swing adsorption mode for selective separation of carbon dioxide from flue gases. The carbon dioxide capture apparatus comprises: a carbon dioxide sorption column including a carbon dioxide adsorption unit in which adsorption of carbon dioxide from flue gases occurs; a carbon dioxide desorption column connected to the carbon dioxide sorption column and including a carbon dioxide desorption unit in which desorption of the adsorbed carbon dioxide occurs; a carbon dioxide absorbent repeatedly adsorbing and desorbing carbon dioxide while circulating through the carbon dioxide sorption column and the carbon dioxide desorption column; and a heat exchange unit in which heat exchange occurs between the absorbent after carbon dioxide adsorption and the absorbent after carbon dioxide desorption.Type: GrantFiled: March 12, 2014Date of Patent: July 4, 2017Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Yong Ki Park, Won Choon Choi, Na Young Kang, Hwi Min Seo
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Patent number: 9604851Abstract: Provided are a method of manufacturing a high silica zeolite using a recovered silica filtrate, and a high silica zeolite manufactured according to the method. To this end, the present invention provides the method of manufacturing the high silica zeolite using the recovered silica filtrate, including manufacturing a solated agglomerated silica from the silica filtrate including a metal salt (step 1); filtering and washing the solated agglomerated silica of step 1 to manufacture a silica cake from which the metal salt is removed (step 2); peptizing the silica cake to manufacture a silica sol (step 3); and manufacturing the high silica zeolite using the silica sol manufactured in step 3 as a silica source (step 4). Further, the present invention provides a high silica zeolite manufactured from a recovered silica filtrate through the manufacturing method and having a Si/Al mole ratio of 5 or more.Type: GrantFiled: January 23, 2015Date of Patent: March 28, 2017Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Na Young Kang, Yong ki Park, Won Choon Choi, Hwi Min Seo, Chul Wee Lee
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Publication number: 20160332149Abstract: A method for preparing trichlorosilane according to an embodiment of the present invention comprises the steps of: supplying surface-modified metal silicide and metal grade silicon to a reaction unit; supplying silicon tetrachloride and hydrogen to the reaction unit; and supplying a product, which is generated by a reaction of metal grade silicon, silicon tetrachloride, and hydrogen in the presence of metal silicide in the reaction unit, to a separation unit, and separating a trichlorosilane component. In cases where a silicon tetrachloride hydrochlorination reaction is performed using the method for preparing trichlorosilane according to the embodiment of the present invention, the yield of trichlorosilane can be raised.Type: ApplicationFiled: January 19, 2015Publication date: November 17, 2016Inventors: WON CHOON CHOI, YONG KI PARK, WOO HYUNG LEE, HWI MIN SEO, NA YOUNG KANG, JOO HEE HAN, DONG HO LEE, GUI RYONG AHN, GIL HO KIM
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Patent number: 9321039Abstract: The present invention provides a catalyst for the decomposition of a perfluorinated compound containing a halogen acid gas, and a preparation method thereof. According to the present invention, the Ru—P—Al tri-component catalyst for the decomposition of a perfluorinated compound shows an excellent decomposition activity and durability with respect to the decomposition and removal of a perfluorinated compound containing a halogen acid gas, and thus can be used to decompose a chamber cleaning gas, an etchant, a solvent and the like of a perfluorinated compound from the semiconductor manufacturing industry to the LCD processing field. In addition, the present invention can be useful for decomposing and removing a perfluorinated compound discharged in a process using a halogen acid gas such as F2, Cl2, Br2 and the like.Type: GrantFiled: August 16, 2012Date of Patent: April 26, 2016Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, ECOPRO CO., LTD.Inventors: Won Choon Choi, Yong Ki Park, Na Young Kang, Min-Whee Cho, Song-Jong Cho, Sung Ho Cho, Sung Jin Yoon, Young-Ju Son
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Publication number: 20160016108Abstract: The present invention relates to a carbon dioxide capture apparatus having a temperature swing adsorption mode for selective separation of carbon dioxide from flue gases. The carbon dioxide capture apparatus comprises: a carbon dioxide sorption column including a carbon dioxide adsorption unit in which adsorption of carbon dioxide from flue gases occurs; a carbon dioxide desorption column connected to the carbon dioxide sorption column and including a carbon dioxide desorption unit in which desorption of the adsorbed carbon dioxide occurs; a carbon dioxide absorbent repeatedly adsorbing and desorbing carbon dioxide while circulating through the carbon dioxide sorption column and the carbon dioxide desorption column; and a heat exchange unit in which heat exchange occurs between the absorbent after carbon dioxide adsorption and the absorbent after carbon dioxide desorption.Type: ApplicationFiled: March 12, 2014Publication date: January 21, 2016Inventors: Yong Ki PARK, Won Choon CHOI, Na Young KANG, Hwi Min SEO
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Patent number: 9056308Abstract: Disclosed are a molecular sieve catalyst and a preparation method thereof to produce light olefins from cracking naphtha catalytically in severe environments of high temperature and high moisture. In detail, the catalyst is prepared by spray-drying and calcining the mixed slurry, in which 0.01˜5.0 wt % of MnO2 and 1˜15 wt % of P2O5 are simultaneously imbedded in catalyst which consists of zeolite, clay and inorganic complex. According to the present invention, the method that manganese and phosphate are imbedded simultaneously in zeolite and inorganic complex is used to increases thermal-stability of obtained spherical catalyst, and increase olefin yield of cracking hydrocarbon such as naphtha by protecting acid-site of zeolite. To synthesize the required catalyst, the important procedures are mixing ratio and mixing sequence of Mn, P, zeolite, and inorganic complex.Type: GrantFiled: January 30, 2014Date of Patent: June 16, 2015Assignee: SK INNOVATION CO., LTD.Inventors: Dae Hyun Choo, Hong Chan Kim, Suk Joon Kim, Ji Min Kim, Tae Jin Kim, Sun Choi, Seung Hoon Oh, Yong Seung Kim, Deuk Soo Park, Yong Ki Park, Chul Wee Lee, Hee Young Kim, Won Choon Choi, Na Young Kang, Bu Sub Song
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Publication number: 20150139898Abstract: Provided are a method of manufacturing a high silica zeolite using a recovered silica filtrate, and a high silica zeolite manufactured according to the method. To this end, the present invention provides the method of manufacturing the high silica zeolite using the recovered silica filtrate, including manufacturing a solated agglomerated silica from the silica filtrate including a metal salt (step 1); filtering and washing the solated agglomerated silica of step 1 to manufacture a silica cake from which the metal salt is removed (step 2); peptizing the silica cake to manufacture a silica sol (step 3); and manufacturing the high silica zeolite using the silica sol manufactured in step 3 as a silica source (step 4). Further, the present invention provides a high silica zeolite manufactured from a recovered silica filtrate through the manufacturing method and having a Si/Al mole ratio of 5 or more.Type: ApplicationFiled: January 23, 2015Publication date: May 21, 2015Inventors: Na Young KANG, Yong ki PARK, Won Choon CHOI, Hwi Min SEO, Chul Wee LEE
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Patent number: 8894753Abstract: Disclosed is a carbon dioxide capture system which includes a first carbon dioxide adsorption/desorption section including a first carbon dioxide adsorption section, a first carbon dioxide desorption section connected to the first carbon dioxide adsorption section, and a first carbon dioxide adsorbent circulating through the first carbon dioxide adsorption section and the first carbon dioxide desorption section; and a second carbon dioxide adsorption/desorption section including a second carbon dioxide adsorption section, a second carbon dioxide desorption section connected to the second carbon dioxide adsorption section, and a second carbon dioxide adsorbent circulating through the second carbon dioxide adsorption section and the second carbon dioxide desorption section.Type: GrantFiled: January 25, 2013Date of Patent: November 25, 2014Assignee: Korea Research Institute of Chemical TechnologyInventors: Yong Ki Park, Won Choon Choi, Na Young Kang
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Publication number: 20140329667Abstract: The present invention provides a catalyst for the decomposition of a perfluorinated compound containing a halogen acid gas, and a preparation method thereof. According to the present invention, the Ru—P—Al tri-component catalyst for the decomposition of a perfluorinated compound shows an excellent decomposition activity and durability with respect to the decomposition and removal of a perfluorinated compound containing a halogen acid gas, and thus can be used to decompose a chamber cleaning gas, an etchant, a solvent and the like of a perfluorinated compound from the semiconductor manufacturing industry to the LCD processing field. In addition, the present invention can be useful for decomposing and removing a perfluorinated compound discharged in a process using a halogen acid gas such as F2, Cl2, Br2 and the like.Type: ApplicationFiled: August 16, 2012Publication date: November 6, 2014Applicants: ECOPRO CO., LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Won Choon Choi, Yong Ki Park, Na Young Kang, Min-Whee Cho, Song-Jong Cho, Sung Ho Cho, Sung Jin Yoon, Young-Ju Son