Patents by Inventor Bong-Sik Jeon

Bong-Sik 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).

  • Patent number: 11999911
    Abstract: The present invention relates to a catalyst for hydrogenation and a method for preparing the same, and more specifically, provides a catalyst having improved activity by including copper and copper oxide as a promoter when a hydrogenation catalyst including nickel is prepared by using a deposition-precipitation (DP) method. Accordingly, a catalyst having high activity may be provided in a hydrogenation process of a hydrocarbon resin.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: June 4, 2024
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Woo Jin Park, Bong Sik Jeon, Yong Hee Lee, Eui Geun Jung
  • Patent number: 11987659
    Abstract: Provided are a hydrogenation reaction catalyst and a preparation method therefor, and more particularly, to a hydrogenation reaction catalyst including sulfur as a promoter, thereby selectively hydrogenating an olefin by changing a relative hydrogenation rate of the olefin and an aromatic group during a hydrogenation reaction of an unsaturated hydrocarbon compound containing an aromatic group, and a preparation method therefor.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 21, 2024
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Bong Sik Jeon, Wan Jae Myeong, Woo Jin Park, Eui Geun Jung
  • Patent number: 11969711
    Abstract: The present invention relates to a carbon-based precious metal-transition metal composite catalyst and a preparation method therefor, and more particularly, to a catalyst synthesis method in which, when preparing a high-content precious metal-transition metal composite catalyst, a catalyst having uniform particles and composition can be prepared, and cyclohexane dimethanol (CHDM) is efficiently produced by the hydrogenation reaction of cyclohexane dicarboxylic acid (CHDA) in an aqueous solution.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 30, 2024
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Jeong Kwon Kim, Sun Woo Yook, Bong Sik Jeon, Wan Jae Myeong
  • Publication number: 20240116045
    Abstract: The present invention relates to a method for manufacturing a heterogeneous metal hydrogenation catalyst. More specifically, the present invention is characterized in that when the hydrogenation catalyst is reduced using a specific reducing gas in a proper reducing condition, the hydrogenation reaction of the catalyst is improved.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 11, 2024
    Inventors: Jeong Kwon KIM, Bong Sik JEON
  • Patent number: 11912653
    Abstract: Provided are a noble metal-transition metal complex catalyst supported on a carbon-coated silica-alumina support and a preparation method therefor, the catalyst being capable of obtaining a fast reaction rate and catalyst stability, as compared to a conventional catalyst, when cyclohexane dimethanol (CHDM) production is carried out by a cyclohexane dicarboxylic acid (CHDA) hydrogenation reaction in an aqueous solution by using a carbon-coated supported catalyst.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: February 27, 2024
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Jeong Kwon Kim, Wan Jae Myeong, Sun Woo Yook, Bong Sik Jeon
  • Publication number: 20240058795
    Abstract: The present invention relates to a hydrogenation catalyst with improved sulfur resistance and a method for producing the same. More specifically, the present invention comprises cerium and copper to enhance resistance to sulfur, that is, resistance to sulfur poisoning, thereby extending the lifespan and improving activity of the catalyst, which is be used in the hydrogenation of petroleum resin.
    Type: Application
    Filed: November 29, 2021
    Publication date: February 22, 2024
    Inventors: Young Hee LEE, Woo Jin PARK, Bong Sik JEON, Eui Geun JUNG
  • Patent number: 11878286
    Abstract: The present invention relates to a catalyst for a hydrocarbon resin hydrogenation reaction and a preparation method for the same, wherein the catalyst is a nickel powder catalyst including nickel (Ni), copper (Cu), and sulfur (S), and more particularly, a nickel-based catalyst for a hydrogenation reaction, which is added to a hydrogenation reaction in order to improve the color of the hydrocarbon resin. According to an embodiment of the present invention, provided is a catalyst for a hydrogenation reaction, includes 40-80 parts by weight of nickel, 0.01-5 parts by weight of copper, 1-10 parts by weight of sulfur, and 10-60 parts by weight of a silica support based on 100 parts by weight of the entire dried catalyst including a support. Therefore, the catalyst can improve the quality of hydrocarbon resin. Furthermore, the catalyst can provide colorless, odorless, and transparent water-white hydrocarbon resin with improved thermal stability by removing unsaturated bonds in the hydrocarbon resin.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: January 23, 2024
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Woo Jin Park, Yong Hee Lee, Bong Sik Jeon, Eui Geun Jung, Wan Jae Myeong
  • Patent number: 11517880
    Abstract: Provided are a carbon-based noble metal-transition metal composite catalyst enabling high selective conversion of a carboxylic acid functional group into an alcohol functional group by pre-treating a carbon carrier including a predetermined ratio or more of mesopores, and a production method therefor.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 6, 2022
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Sun Woo Yook, Jeong Kwon Kim, Wan Jae Myeong, Bong Sik Jeon
  • Publication number: 20220372380
    Abstract: The present invention relates to a catalyst for hydrogenation and a method for preparing the same, and more specifically, provides a catalyst having improved activity by including copper and copper oxide as a promoter when a hydrogenation catalyst including nickel is prepared by using a deposition-precipitation (DP) method. Accordingly, a catalyst having high activity may be provided in a hydrogenation process of a hydrocarbon resin.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 24, 2022
    Inventors: Woo Jin PARK, Bong Sik JEON, Yong Hee LEE, Eui Geun JUNG
  • Publication number: 20220370985
    Abstract: The present invention relates to a nickel catalyst for a hydrogenation reaction and a manufacturing method therefor, and relates to a nickel catalyst added in a hydrogenation reaction for improving a color of a hydrocarbon resin. The catalyst according to the present invention has a small crystallite size and improves dispersibility, while having high nickel content, and thus can provide high activity in hydrogenation reactions.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 24, 2022
    Inventors: Woo Jin PARK, Bong Sik JEON, Yong Hee LEE, Eui Geun JUNG
  • Publication number: 20220362750
    Abstract: According to the present invention, when preparing a hydrogenation catalyst including nickel as an active ingredient, the reduction of nickel can be facilitated by using copper and sulfur as a promoter. In particular, the present invention can provide a catalyst which, while having a high nickel content, includes sulfur oxide and nickel oxide in a particular range, and thus exhibits even higher selective reduction degree for olefins while having high activity of the catalyst.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 17, 2022
    Inventors: Woo Jin PARK, Bong Sik JEON, Yong Hee LEE, Eui Geun JUNG
  • Publication number: 20220362749
    Abstract: The present invention relates to a catalyst for a hydrogenation reaction and a method for producing the same, and more specifically, to a catalyst for a hydrogenation reaction, wherein the catalyst includes nickel oxide as an active ingredient and copper oxide and sulfur oxide as a promoter, and especially, can control a reduction degree value according to whether or not a passivation layer of a nickel metal is removed.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 17, 2022
    Inventors: Woo Jin PARK, Bong Sik JEON, Yong Hee LEE, Eui Geun JUNG
  • Publication number: 20220325011
    Abstract: The invention relates to a method for preparing hydrogenated petroleum resin. More specifically, the invention relates to a method for preparing hydrogenated petroleum resin having aromaticity of 10% or more and exhibiting excellent color and thermal stability, through a hydrogenation reaction in a slurry reactor, using a selective hydrogenation catalyst having excellent selectivity to olefinic double bonds in petroleum resin.
    Type: Application
    Filed: June 2, 2020
    Publication date: October 13, 2022
    Inventors: Sangho SEO, Keedo HAN, Pilje SEONG, Dong ll SHIN, Bong Sik JEON
  • Patent number: 11447581
    Abstract: The invention relates to a method for selective hydrogenation. More specifically, it relates to a method for selective hydrogenation capable of improving selectivity and reaction efficiency in the hydrogenation process of petroleum resin.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 20, 2022
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Sang Ho Seo, Ji Hye Choi, Kee Do Han, Seong Ho Park, Bong Sik Jeon
  • Patent number: 11391684
    Abstract: The present disclosure relates to a method for measuring aromatic contents in a hydrocarbon solution. More specifically, it relates to a measurement method capable of quickly and accurately checking aromatic contents in a compound, particularly in a hydrocarbon, in a solution state without a high-temperature drying process.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 19, 2022
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Yong Hee Lee, Wan Jae Myeong, Woo Jin Park, Bong Sik Jeon, Eui Geun Jung
  • Publication number: 20220072518
    Abstract: The present invention relates to a method for regenerating a dicarboxylic acid or carboxylic acid hydrogenation catalyst, and more particularly, to a method for regenerating a hydrogenation catalyst to be used in a reaction of converting a dicarboxylic acid group into a diol group. The present invention provides an effect of regenerating a catalyst deactivated by the deposition of esters to be produced in a reaction of converting a dicarboxylic acid group into a diol group.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 10, 2022
    Inventors: Sun Woo YOOK, Jeong Kwon KIM, Bong Sik JEON, Wan Jae MYEONG
  • Publication number: 20220062868
    Abstract: The present invention relates to a carbon-based precious metal-transition metal composite catalyst and a preparation method therefor, and more particularly, to a catalyst synthesis method in which, when preparing a high-content precious metal-transition metal composite catalyst, a catalyst having uniform particles and composition can be prepared, and cyclohexane dimethanol (CHDM) is efficiently produced by the hydrogenation reaction of cyclohexane dicarboxylic acid (CHDA) in an aqueous solution.
    Type: Application
    Filed: December 10, 2019
    Publication date: March 3, 2022
    Inventors: Jeong Kwon KIM, Sun Woo YOOK, Bong Sik JEON, Wan Jae MYEONG
  • Publication number: 20220023842
    Abstract: The present invention relates to a catalyst for a hydrocarbon resin hydrogenation reaction and a preparation method for the same, wherein the catalyst is a nickel powder catalyst including nickel (Ni), copper (Cu), and sulfur (S), and more particularly, a nickel-based catalyst for a hydrogenation reaction, which is added to a hydrogenation reaction in order to improve the color of the hydrocarbon resin. According to an embodiment of the present invention, provided is a catalyst for a hydrogenation reaction, includes 40-80 parts by weight of nickel, 0.01-5 parts by weight of copper, 1-10 parts by weight of sulfur, and 10-60 parts by weight of a silica support based on 100 parts by weight of the entire dried catalyst including a support. Therefore, the catalyst can improve the quality of hydrocarbon resin. Furthermore, the catalyst can provide colorless, odorless, and transparent water-white hydrocarbon resin with improved thermal stability by removing unsaturated bonds in the hydrocarbon resin.
    Type: Application
    Filed: October 28, 2019
    Publication date: January 27, 2022
    Inventors: Woo Jin PARK, Yong Hee LEE, Bong Sik JEON, Eui Geun JUNG, Wan Jae MYEONG
  • Publication number: 20220001360
    Abstract: The present invention can facilitate the reduction of nickel by using copper as an accelerator when a hydrogenation catalyst including nickel is produced by using a deposition-precipitation (DP) method. According to an embodiment of the present invention, provided is a catalyst for a hydrogenation reaction that includes 40-80 parts by weight of nickel as a catalyst active component, 0.01-5 parts by weight of copper as an accelerator, and 10-30 parts by weight of a silica support based on 100 parts by weight of the entire catalyst. Therefore, although a high content of nickel is supported, the catalyst has a small crystal size of an activated metal and a high degree of dispersion and provides excellent hydrogenation activity.
    Type: Application
    Filed: October 29, 2019
    Publication date: January 6, 2022
    Inventors: Bong Sik JEON, Yong Hee LEE, Woo Jin PARk, Eui Geun JUNG, Wan Jae MYEONG, Joung Woo HAN
  • Publication number: 20210060534
    Abstract: Provided are a carbon-based noble metal-transition metal composite catalyst enabling high selective conversion of a carboxylic acid functional group into an alcohol functional group by pre-treating a carbon carrier including a predetermined ratio or more of mesopores, and a production method therefor.
    Type: Application
    Filed: December 27, 2018
    Publication date: March 4, 2021
    Applicant: HANWHA SOLUTIONS CORPORATION
    Inventors: Sun Woo YOOK, Jeong Kwon KIM, Wan Jae MYEONG, Bong Sik JEON