Patents by Inventor Min Ho Hwang

Min Ho Hwang 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: 11939278
    Abstract: Provided is a method of producing an oligomer, the method including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to produce a reaction product; supplying a discharge stream of the reactor to a separation device, and supplying an upper discharge stream of the separation device including an unreacted monomer to the reactor and supplying a lower discharge stream of the separation device to a settling tank; settling a polymer in the settling tank and removing the polymer, and supplying the lower discharge stream of the separation device from which the polymer is removed to a high-boiling point separation column; removing a high-boiling point material from a lower discharge stream of the high-boiling point separation column and supplying an upper discharge stream of the high-boiling point separation column including an oligomer to a solvent separation column; and separating a solvent and the oligomer in the solvent separation column.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Seog Youk, Min Ho Sun, Jong Hun Song, Hong Min Lee, Moon Sub Hwang, Jeong Seok Lee
  • Publication number: 20240071564
    Abstract: In embodiments of the present disclosure, disclosure is an immunogenicity prediction method comprising the steps of: acquiring information about synthetic long peptides for treating carcinoma in a subject through an immunogenicity prediction device; processing the synthetic long peptides by one processing method of embedding, one-hot encoding, and BLOSUM through the immunogenicity prediction device, and outputting one or more antigen feature values based on the processed data; inputting the cleavage probability vector for each position of the synthetic long peptides through the immunogenicity prediction device to output one or more cleavage feature values; inputting a neoantigen peptide sequence, an HLA class I sequence, an HLA class II sequence within the synthetic long peptides through the immunogenicity prediction device to output one or more neoantigen feature values related to the immunity and binding affinity to the neoantigen peptide sequence; and outputting an immunogenicity score of the neoantigen pe
    Type: Application
    Filed: April 28, 2023
    Publication date: February 29, 2024
    Inventors: Tae soon HWANG, Soon Myung PAIK, Seong Eui HONG, Hae Suk KIM, Eon Ji NOH, Min Ho JUNG, Seong Gwang KIM, In Young KIM
  • Patent number: 11765921
    Abstract: The present disclosure relates to an ionic compound, and a coating composition and an organic light emitting device including the same.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: September 19, 2023
    Inventors: Ho Gyu Lee, Seog Jae Seo, Jaesoon Bae, Jaechol Lee, Min Ho Hwang, Jiyeon Shin, Se Jin Jung
  • Patent number: 11655318
    Abstract: A method of preparing super absorbent polymer includes carrying out a crosslinking polymerization of a monomer mixture comprising a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups, a forming agent, a foam-promoting agent and a silicone-based surfactant in the presence of an internal crosslinking agent to form a hydrogel polymer; drying, pulverizing and classifying the hydrogel polymer to form a base polymer powder; and further crosslinking a surface of the base polymer powder in the presence of a surface crosslinking agent to form a surface crosslinked layer. The method produces super absorbent polymer having not only an excellent absorbent capacity and an absorbency under load but also the rewetting phenomenon can be effectively prevented.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: May 23, 2023
    Inventors: Sang Gi Lee, Hye Mi Nam, Min Ho Hwang, Soo Jin Lee, Tae Hwan Jang
  • Patent number: 11618805
    Abstract: The present invention relates to a method for preparing a superabsorbent polymer, and a superabsorbent polymer prepared thereby. A superabsorbent polymer prepared by the preparation method exhibits minimized deterioration of physical properties after being pulverized, and thus basic absorbance performance is excellent and an excellent liquid permeability and absorbance rate can be exhibited.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 4, 2023
    Inventors: Hye Mi Nam, Min Ho Hwang, Sang Gi Lee, Tae Hwan Jang, Soo Jin Lee
  • Patent number: 11325101
    Abstract: The present invention relates to a super absorbent polymer having not only excellent absorption rate and absorbency under load but also excellent rewetting properties, and a method for preparing the same.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: May 10, 2022
    Inventors: Sang Gi Lee, Hye Mi Nam, Min Ho Hwang, Soo Jin Lee, Tae Hwan Jang
  • Patent number: 11071968
    Abstract: The present invention relates to a method for preparing superabsorbent polymer that has not only excellent permeability and absorption speed, but also minimized absorbency under pressure decrease rate, and superabsorbent polymer prepared thereby.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: July 27, 2021
    Inventors: Min Ho Hwang, Hye Mi Nam, Sang Gi Lee, Soo Jin Lee, Tae Hwan Jang
  • Patent number: 11059025
    Abstract: The present invention relates to a super absorbent resin, and the super absorbent resin can exhibit a fast absorption rate and high gel strength even in a partially swollen state through the size optimization of partially swollen gel particles. Therefore, the use of the super absorbent resin can effectively prevent a rewetting phenomenon.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: July 13, 2021
    Inventors: Sang Gi Lee, Hye Mi Nam, Min Ho Hwang, Soo Jin Lee, Tae Hwan Jang
  • Publication number: 20210061932
    Abstract: A method of preparing super absorbent polymer includes carrying out a crosslinking polymerization of a monomer mixture comprising a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups, a forming agent, a foam-promoting agent and a silicone-based surfactant in the presence of an internal crosslinking agent to form a hydrogel polymer; drying, pulverizing and classifying the hydrogel polymer to form a base polymer powder; and further crosslinking a surface of the base polymer powder in the presence of a surface crosslinking agent to form a surface crosslinked layer. The method produces super absorbent polymer having not only an excellent absorbent capacity and an absorbency under load but also the rewetting phenomenon can be effectively prevented.
    Type: Application
    Filed: September 30, 2020
    Publication date: March 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sang Gi Lee, Hye Mi Nam, Min Ho Hwang, Soo Jin Lee, Tae Hwan Jang
  • Publication number: 20210046449
    Abstract: The present invention relates to an olefin polymer and a method for producing the same. The super absorbent polymer can exhibit excellent absorbent properties even in a swollen state and thus exhibit excellent anti-rewetting effects. Accordingly, when the super absorbent polymer is used, it is possible to provide a sanitary material such as a diaper or a sanitary napkin which can give a smooth touch feeling even after the body fluid is discharged.
    Type: Application
    Filed: October 30, 2020
    Publication date: February 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hye Mi Nam, Sang Gi Lee, Min Ho Hwang, Soo Jin Lee, Chang Sun Han
  • Patent number: 10857044
    Abstract: The present invention relates to a method for a superabsorbent polymer. The preparation method controls the time from the addition of a foaming agent to the initiation of a polymerization reaction, thereby forming an appropriate pore structure in a superabsorbent polymer. The superabsorbent polymer produced through the preparation method can exhibit a remarkably improved absorption rate while exhibiting excellent absorption performance.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Min Ho Hwang, Sang Gi Lee, Hye Mi Nam, Soo Jin Lee, Tae Hwan Jang
  • Patent number: 10850260
    Abstract: A super absorbent polymer and a method for producing the same are disclosed herein. In some embodiments, the super absorbent polymer includes a base polymer powder including a cross-linked polymer, and first and second surface cross-linked layers formed on the base polymer powder. The first and second surface cross-linked layers are formed by further cross-linking the cross-linked polymer in the presence of a surface crosslinking agent, wherein the first and second surface cross-linked layers each include a cross-linked structure derived from epoxy-based and non-epoxy-based surface crosslinking agents. The super absorbent polymer can exhibit excellent absorbent properties even in a swollen state and thus exhibit excellent anti-rewetting effects. Accordingly, when the super absorbent polymer is used, it is possible to provide a sanitary material such as a diaper or a sanitary napkin which can give a smooth touch feeling even after the body fluid is discharged.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: December 1, 2020
    Inventors: Hye Mi Nam, Sang Gi Lee, Min Ho Hwang, Soo Jin Lee, Chang Sun Han
  • Patent number: 10822441
    Abstract: The present invention relates to a super absorbent polymer. In the super absorbent polymer according to the present invention, the content of each of the super absorbent polymer particles having different surface shapes among particles constituting the polymer is optimized, and this not only an absorbent capacity and an absorbency under load are excellent but also the rewetting phenomenon can be effectively prevented.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: November 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang Gi Lee, Hye Mi Nam, Min Ho Hwang, Soo Jin Lee, Tae Hwan Jang
  • Patent number: 10759912
    Abstract: Provided are a superabsorbent polymer and a preparation method thereof. The superabsorbent polymer may effectively avoid a rewetting phenomenon after absorbing liquid, because a saline solution hardly remains in the empty spaces between swollen gel particles. Accordingly, the superabsorbent polymer may be used to provide hygienic materials, such as diapers, sanitary napkins, etc., which have a fluffy texture even after body fluid is discharged thereto.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: September 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Soo Jin Lee, Sang Gi Lee, Hye Mi Nam, Min Ho Hwang, Chang Sun Han
  • Publication number: 20200270403
    Abstract: The present invention relates to a method for preparing a superabsorbent polymer, and a superabsorbent polymer prepared thereby. A superabsorbent polymer prepared by the preparation method exhibits minimized deterioration of physical properties after being pulverized, and thus basic absorbance performance is excellent and an excellent liquid permeability and absorbance rate can be exhibited.
    Type: Application
    Filed: May 11, 2020
    Publication date: August 27, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hye Mi Nam, Min Ho Hwang, Sang Gi Lee, Tae Hwan Jang, Soo Jin Lee
  • Publication number: 20200227645
    Abstract: The present disclosure relates to an ionic compound, and a coating composition and an organic light emitting device including the same.
    Type: Application
    Filed: November 24, 2017
    Publication date: July 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ho Gyu Lee, Seog Jae Seo, Jaesoon Bae, Jaechol Lee, Min Ho Hwang, Jiyeon Shin, Se Jin Jung
  • Patent number: 10696800
    Abstract: The present invention relates to a method for preparing a superabsorbent polymer, and a superabsorbent polymer prepared thereby. A superabsorbent polymer prepared by the preparation method exhibits minimized deterioration of physical properties after being pulverized, and thus basic absorbance performance is excellent and an excellent liquid permeability and absorbance rate can be exhibited.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: June 30, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hye Mi Nam, Min Ho Hwang, Sang Gi Lee, Tae Hwan Jang, Soo Jin Lee
  • Publication number: 20200197909
    Abstract: The present invention relates to a method for preparing superabsorbent polymer that has not only excellent permeability and absorption speed, but also minimized absorbency under pressure decrease rate, and superabsorbent polymer prepared thereby.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Min Ho Hwang, Hye Mi Nam, Sang Gi Lee, Soo Jin Lee, Tae Hwan Jang
  • Patent number: 10654959
    Abstract: The present invention provides a method for preparing a superabsorbent polymer, the method comprising the steps of: forming a function gel polymer by cross-linked polymerization of a monomer mixture under the presence of an internal cross-linking agent, the monomer mixture including a water-soluble ethylene-based unsaturated monomer having an acid group at least part of which is neutralized, a carbonate, a volatile organic solvent, a surfactant, and a bubble promoting agent; forming a base resin powder by drying, grinding, and classifying the function gel polymer; and forming a surface cross-linked layer by additional cross-linking of the surface of the base resin powder under the presence of a surface cross-linking agent. The method for preparing a superabsorbent polymer may provide a superabsorbent polymer which has a porous structure, thereby exhibiting an excellent absorption rate while exhibiting excellent gel strength.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: May 19, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Soo Jin Lee, Hye Mi Nam, Sang Gi Lee, Min Ho Hwang, Tae Hwan Jang
  • Patent number: 10653812
    Abstract: Provided is a method of preparing a superabsorbent polymer which exhibits more improved liquid permeability and absorption rate while maintaining excellent absorption performance. The method of preparing the superabsorbent polymer may include the steps of: performing crosslinking polymerization of water-soluble ethylene-based unsaturated monomers having acidic groups which are at least partially neutralized in the presence of an internal crosslinking agent to form a water-containing gel polymer including a crosslinked polymer; drying, pulverizing, and size-sorting the water-containing gel polymer to form a base polymer powder; performing surface-crosslinking of the base polymer powder using a surface-crosslinking solution including one or more surface-crosslinking agents in the presence of first alumina particles; and adding second alumina particles to the surface-crosslinked base polymer powder and then mixing them with each other.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: May 19, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Min Ho Hwang, Hye Mi Nam, Sang Gi Lee, Soo Jin Lee, Tae Hwan Jang