Patents by Inventor Hee Jung Jeon

Hee Jung Jeon 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).

  • Publication number: 20240140795
    Abstract: Provided is a method of manufacturing syngas including (S1) heat-treating organic wastes under a catalyst in a first reactor to produce a first mixed gas; (S2) separating the catalyst and carbon dioxide (CO2) from the first mixed gas, and recovering a mixed gas from which the catalyst and the carbon dioxide (CO2) have been removed; (S3) converting the carbon dioxide (CO2) separated in (S2) into carbon monoxide (CO) by a reverse Boudouard reaction in a second reactor; and (S4) mixing the mixed gas recovered in (S2) and the carbon monoxide (CO) converted in (S3) to produce syngas.
    Type: Application
    Filed: September 27, 2023
    Publication date: May 2, 2024
    Applicant: SK Innovation Co., Ltd.
    Inventors: Hee Jung Jeon, Ok Youn Kim, Dong Min Yun
  • Publication number: 20240116036
    Abstract: Proposed are an unsupported metallic catalyst for a selective ring-opening (SRO) reaction and a method of using the same catalyst, wherein the catalyst contains nickel (Ni), molybdenum (Mo), and tungsten (W).
    Type: Application
    Filed: July 14, 2023
    Publication date: April 11, 2024
    Inventors: Seung Woo LEE, Yeon Ho KIM, Yoon Kyung LEE, Hee Jung JEON
  • Publication number: 20240117294
    Abstract: The present application relates to a Rhizopus oligosporus CJCC02-20 strain deposited with Accession No. KCCM12893P and application thereof.
    Type: Application
    Filed: March 29, 2021
    Publication date: April 11, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Hyelim KWON, Hyungseok RYU, Hee-Su KWON, Eun Jung JEON, Jiyoung OH
  • Patent number: 11945968
    Abstract: Disclosed are an anti-fingerprint film for automobile interiors and methods of producing the same. The anti-fingerprint film for automobile interior parts may include a base layer and an outermost layer located on the base layer including a fluorine-based compound, thus reducing the attachment area of the fingerprint composed of water and oil by virtue of the outermost layer having high water and oil repellency, ultimately removing fingerprint visibility.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: April 2, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hyun Jung Kim, Jae Sik Seo, Ho Tak Jeon, Hee Do Kim, Hyun Don Kim, Seong Uk Juen
  • Publication number: 20240059631
    Abstract: According to an aspect of the present invention, provided is a zeolite catalyst having an MRE structure for hydro-isomerization. The zeolite catalyst has an adsorption volume ratio of lutidine to collidine measured by Fourier-transform infrared spectroscopy (FTIR) using lutidine and collidine as adsorbents of greater than 3 and less than or equal to 10. According to an aspect of the present invention, provided is a method of hydro-isomerization for a hydrocarbon feedstock, including subjecting the hydrocarbon feedstock to a hydro-isomerization reaction under conditions of a temperature of 200° C. to 500° C., a hydrogen pressure of 1 to 200 atmospheres, a liquid space velocity (LHSV) of 1.0 to 10.0 hr?1, and the hydrogen/feedstock ratio of 45 to 1780 Nm3/m3 in the presence of the zeolite catalyst.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 22, 2024
    Inventors: Yeon Ho KIM, Seung Woo LEE, Yoon Kyung LEE, Hee Jung JEON
  • Patent number: 11905474
    Abstract: Provided are an apparatus and a method for refining pyrolysis oil in which a dechlorination reaction is performed under a first hydrotreating catalyst. Hydrogen chloride as a by-product is removed, and then a denitrification reaction is performed under a second hydrotreating catalyst, thereby preventing production of an ammonium salt (NH4Cl), and providing refined oil. It is excellent in prevention of corrosion of a reactor, improvement of durability, occurrence of differential pressure, process efficiency, has very low contents of impurities such as chlorine, nitrogen, and metal and olefin, and has excellent quality.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: February 20, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Hee Jung Jeon, Ok Youn Kim, Ka Young Kim, Young Moo Park, Ho Won Lee
  • Publication number: 20240018421
    Abstract: Provided is a technology to convert an oil having a high content of Cl into a solvent. Impurities such as Cl, S, N, and metals are removed from an oil having a boiling point of 340° C. or lower in a waste oil having a high content of Cl, and hydrogenation is carried out to recover an oil, and the oil may be applied as a solvent. Separation by boiling points to meet the properties of the solvent product is performed, a solid acid material and an oil having a high Cl content are mixed, impurities are removed by a heat treatment at a high temperature, and hydrogenation is carried out with a metal oxide catalyst, thereby manufacturing a solvent product.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Inventors: Do Kyoung Kim, Ka Young Kim, Jeong Eop Choi, Ok Youn Kim, Hee Soo Kim, Young Moo Park, Ho Won Lee, Jae Suk Choi, Hee Jung Jeon
  • Publication number: 20240018425
    Abstract: The present disclosure relates to a continuous refining method and device for treating waste plastic pyrolysis oil by introducing the oil into a first reactor and allowing an isodewaxing reaction to proceed at a first temperature in the presence of a weak acid site catalyst to form a first product; introducing the first product into a second reactor and hydrotreating the first product at a second temperature in the presence of a hydrotreating catalyst to allow a dechlorination reaction to proceed to form a second product; and introducing the second product into a third reactor and hydrotreating the second product at a third temperature in the presence of a hydrotreating catalyst to allow a denitrification reaction to form a third product, which can minimize process problems, improve operational stability, reduce impurities such as chlorine and metal, and provide internal isomers to improve the flow point and low temperature fluidity.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Inventors: Hee Jung Jeon, Ka Young Kim, Ok Youn Kim, Young Moo Park, Jae Hwan Lee
  • Patent number: 11834543
    Abstract: The present invention relates to a polymer coagulant including methacrylamide in a preferred range and an enlarged graft copolymer prepared using same. The polymer coagulant provided in the present invention may enlarge a conjugated diene-based polymer to a suitable particle diameter range, and there are advantages of achieving excellent impact resistance and flowability of a graft copolymer prepared from the polymer.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: December 5, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hee Jung Jeon, Geon Soo Kim, Moon Ja Hwang, Hyung Joon Kim, Chang Hoe Kim, Min Su Chae
  • Patent number: 11814589
    Abstract: Provided is a technology to convert an oil having a high content of Cl into a solvent. Impurities such as Cl, S, N, and metals are removed from an oil having a boiling point of 340° C. or lower in a waste oil having a high content of Cl, and hydrogenation is carried out to recover an oil, and the oil may be applied as a solvent. Separation by boiling points to meet the properties of the solvent product is performed, a solid acid material and an oil having a high Cl content are mixed, impurities are removed by a heat treatment at a high temperature, and hydrogenation is carried out with a metal oxide catalyst, thereby manufacturing a solvent product.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: November 14, 2023
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Do Kyoung Kim, Ka Young Kim, Jeong Eop Choi, Ok Youn Kim, Hee Soo Kim, Young Moo Park, Ho Won Lee, Jae Suk Choi, Hee Jung Jeon
  • Patent number: 11814590
    Abstract: Provided are a method of producing a lubricating base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range higher than 340° C. to remove impurities and structurally isomerizing the oil; and b) hydroisomerizing at least a part of the product of step a), and a lubricating base oil composition produced therefrom. A lubricating base oil, which has more methyl branches than petroleum-based lubricating base oil, to have improved low-temperature properties may be provided.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: November 14, 2023
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Hee Jung Jeon, Seung Woo Lee, Yoon Kyung Lee, Ho Won Lee, Yeon Ho Kim, Ka Young Kim, Ok Youn Kim, Young Moo Park
  • Publication number: 20230167218
    Abstract: The present disclosure relates to a method for preparing a graft copolymer, a graft copolymer prepared therefrom, and a resin composition including the same. The method includes introducing a polymer coagulant latex including a polymer coagulant to a rubbery polymer latex including a rubbery polymer and coagulating the polymer coagulant latex to prepare an enlarged rubbery polymer latex containing an enlarged rubbery polymer, and introducing an aromatic vinyl-based monomer and a vinyl cyan-based monomer to the prepared enlarged rubbery polymer latex and performing graft polymerization to prepare a graft copolymer latex including a graft copolymer. The polymer coagulant includes an acid group-containing copolymer having a weight average molecular weight of 550,000 g/mol to 750,000 g/mol, and the content of the vinyl cyan-based monomer is 15 wt % to 24 wt % based on the total content of the aromatic vinyl-based monomer and the vinyl cyan-based monomer.
    Type: Application
    Filed: November 26, 2021
    Publication date: June 1, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Moon Ja HWANG, Chang Hoe KIM, Min Su CHAE, Geon Soo KIM, Hee Jung JEON, Hyung Joon KIM
  • Patent number: 11655315
    Abstract: A method for preparing a catalyst for use in polymerizing a conjugated diene-based monomer, the catalyst, and a method for preparing a conjugated diene-based polymer using the same are disclosed herein. In an embodiment, a method of preparing a catalyst comprises mixing a lanthanide rare earth element-containing compound, an alkylating agent compound and a halogen compound in the presence of a solvent to prepare a catalyst composition, adding a conjugated diene-based monomer to the catalyst composition to form a preformed catalyst composition, and aging the preformed catalyst composition at a temperature of ?1° C. to ?15° C. for 3 hours to 98 hours to prepare the catalyst. The catalyst has excellent catalyst activity and polymerization reactivity and is useful for preparing a conjugated diene-based polymer which has an excellent modification ratio and improved compounding properties.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 23, 2023
    Inventors: Kyoung Hwan Oh, Hee Jung Jeon, Su Hwa Kim, Jeong Heon Ahn, Jin Sook Ryu, Suk Youn Kang
  • Publication number: 20230130836
    Abstract: The present disclosure provides a catalyst for SRO reactions. The catalyst includes a solid acid material and a metal. In this case, pores of the catalyst corresponding to at least 20% of the total pore volume of the catalyst have a pore size of 10 nm or more. The present disclosure also provides a method of using the catalyst.
    Type: Application
    Filed: September 26, 2022
    Publication date: April 27, 2023
    Applicants: SK INNOVATION CO., LTD., SK ENMOVE CO., LTD
    Inventors: Seung Woo LEE, Hee Jung JEON, Yeon Ho KIM, Yoon Kyung LEE, Seon Ju LIM
  • Publication number: 20230085816
    Abstract: A method and apparatus for refining waste plastic pyrolysis oil has an effect of converting the waste plastic pyrolysis oil into high value-added hydrocarbon oil having a high content of naphtha and kerosene, lowering a content of impurities such as chlorine, nitrogen, oxygen, and metals of the hydrocarbon oil, operating under milder process conditions, having excellent process efficiency, and having high process stability to be able to continuously produce refined oil.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 23, 2023
    Inventors: Ka Young Kim, Ok Youn Kim, Young Moo Park, Hee Jung Jeon
  • Publication number: 20230093149
    Abstract: A method and apparatus for refining waste plastic pyrolysis oil has an effect of converting the waste plastic pyrolysis oil into high value-added hydrocarbon oil having a high content of naphtha and kerosene, lowering a content of impurities such as chlorine, nitrogen, oxygen, and metal of the hydrocarbon oil, operating under milder process conditions, having excellent process efficiency, and having high process stability to be able to continuously produce refined oil.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 23, 2023
    Inventors: Ka Young Kim, Ok Youn Kim, Young Moo Park, Hee Jung Jeon
  • Publication number: 20230083199
    Abstract: Provided are a method of producing a lubricating base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range higher than 340° C. to remove impurities and structurally isomerizing the oil; and b) hydroisomerizing at least a part of the product of step a), and a lubricating base oil composition produced therefrom. A lubricating base oil, which has more methyl branches than petroleum-based lubricating base oil, to have improved low-temperature properties may be provided.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 16, 2023
    Inventors: Hee Jung Jeon, Seung Woo Lee, Yoon Kyung Lee, Ho Won Lee, Yeon Ho Kim, Ka Young Kim, Ok Youn Kim, Young Moo Park
  • Publication number: 20230083259
    Abstract: Provided are a method of producing a Lube base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range of 180 to 340° C. to remove impurities and oligomerize the oil; and b) hydroisomerizing at least a part of the product of step a). A lube base oil composition is also produced therefrom.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 16, 2023
    Inventors: Hee Jung Jeon, Yeon Ho Kim, Ok Youn Kim, Seung Eon Lee, Seung Woo Lee, Yoon Kyung Lee, Ka Young Kim, Young Moo Park, Ho Won Lee
  • Publication number: 20230049254
    Abstract: Provided are an apparatus and a method for refining pyrolysis oil in which a dechlorination reaction is performed at a first temperature under a first hydrotreating catalyst, denitrification reaction is performed at a second temperature higher than the first temperature under a second hydrotreating catalyst, and chlorine adsorption by an adsorbent is performed after the dechlorination reaction, thereby preventing production of an ammonium salt (NH4Cl), and providing refined oil which is excellent in prevention of corrosion of a reactor, improvement of durability, occurrence of differential pressure, and process efficiency, has very low contents of impurities such as chlorine, nitrogen, and metal and olefin, and has excellent quality.
    Type: Application
    Filed: August 4, 2022
    Publication date: February 16, 2023
    Inventors: Ka Young Kim, Ok Youn Kim, Young Moo Park, Hee Jung Jeon, Ho Won Lee, Byoung Kyu Kwak
  • Publication number: 20230035706
    Abstract: Provided are an apparatus and a method for refining pyrolysis oil in which a dechlorination reaction is performed under a first hydrotreating catalyst. Hydrogen chloride as a by-product is removed, and then a denitrification reaction is performed under a second hydrotreating catalyst, thereby preventing production of an ammonium salt (NH4Cl), and providing refined oil. It is excellent in prevention of corrosion of a reactor, improvement of durability, occurrence of differential pressure, process efficiency, has very low contents of impurities such as chlorine, nitrogen, and metal and olefin, and has excellent quality.
    Type: Application
    Filed: July 13, 2022
    Publication date: February 2, 2023
    Inventors: Hee Jung Jeon, Ok Youn Kim, Ka Young Kim, Young Moo Park, Ho Won Lee