Patents by Inventor Yeon-Soo Kim

Yeon-Soo Kim 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: 20210364683
    Abstract: A polarizer having low orthogonal transmittance for visible light and high orthogonal transmittance for near infrared rays, a polarizing plate comprising the same, a camera comprising the polarizer or the polarizing plate, the camera configured to include a visible light sensor part and a near infrared sensor part integrated therein and applied for an augmented reality device, and a method for preparing the polarizer.
    Type: Application
    Filed: November 1, 2019
    Publication date: November 25, 2021
    Inventors: Doo Young HUH, Yeon Soo KIM, You Kyeong KIM, Kyung KI HONG, Kyunil RAH, Young Min LEE, Woo Yong CHO
  • Patent number: 11177536
    Abstract: Disclosed is a separator which includes a porous polymer substrate including a polymer showing a variation in phase angle represented by the following Formula 1 at 0.1 Hz depending on an increase in temperature. An electrochemical device including the separator is also disclosed. Variation in phase angle at 0.1 Hz=[(Phase angle190?Phase angle280)/(Phase angle190)]×100?0%,??[Formula 1] wherein Phase angle190 means the phase angle of the porous polymer substrate at 0.1 Hz and 190° C., and Phase angle280 means the phase angle of the porous polymer substrate at 0.1 Hz and 280° C.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: November 16, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Dae-Sung Jang, Yeon-Soo Kim, Dong-Wook Sung, Hyun-Sup Lee, So-Mi Jeong
  • Publication number: 20210230330
    Abstract: Provided is an acrylonitrile-based copolymer for a carbon fiber which includes a sulfonate-based monomer unit, a carboxylic acid-based monomer unit, and an acrylonitrile-based monomer unit, and the acrylonitrile-based copolymer for a carbon fiber includes the sulfonate-based monomer unit at 0.55 to 1.55 mol %, and the carboxylic acid-based monomer unit at 0.60 to 1.40 mol %.
    Type: Application
    Filed: November 1, 2019
    Publication date: July 29, 2021
    Inventors: Chang Hun Kim, Jong Gil Kim, Hyun Min Kim, Yeon Soo Kim, Jeong Hun Cho, Hye Jin Han, Joon Hee Cho
  • Publication number: 20210230377
    Abstract: The present invention relates to a superabsorbent polymer that not only has excellent basic absorption performance, but also exhibits more improved absorption speed, permeability, etc., and a method for preparing the same. The superabsorbent polymer includes a base polymer powder including: a first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; and a surface crosslink layer that is formed on the base polymer powder, and further includes a second crosslinked polymer in which the first crosslinked polymer is additionally crosslinked by a C2-5 alkylene carbonate, wherein an absorption degree, SFC, an absorption speed, and a porosity fulfill specific ranges.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hyemin Lee, Taebin Ahn, Hyunsup Lee, Yeon Soo Kim
  • Publication number: 20210197173
    Abstract: The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the super absorbent polymer has: a fixed height absorption (FHA) of 22.5 g/g to 29 g/g, a saline flow conductivity (SFC) of 35 (·10?7 cm3·s/g) or more, and T-20 of 180 seconds or less.
    Type: Application
    Filed: March 15, 2021
    Publication date: July 1, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Tae Bin Ahn, Dong Hyun Kim, Yeon Soo Kim, Hyun Sup Lee, Chang Sun Han, Myung Han Lee
  • Patent number: 11034800
    Abstract: The present invention relates to a superabsorbent polymer that not only has excellent basic absorption performance, but also exhibits more improved absorption speed, permeability, etc., and a method for preparing the same. The superabsorbent polymer includes a base polymer powder including: a first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; and a surface crosslink layer that is formed on the base polymer powder, and further includes a second crosslinked polymer in which the first crosslinked polymer is additionally crosslinked by a C2-5 alkylene carbonate, wherein an absorption degree, SFC, an absorption speed, and a porosity fulfill specific ranges.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: June 15, 2021
    Inventors: Hyemin Lee, Taebin Ahn, Hyunsup Lee, Yeon Soo Kim
  • Patent number: 11000829
    Abstract: The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the super absorbent polymer has: a fixed height absorption (FHA) of 22.5 g/g to 29 g/g, a saline flow conductivity (SFC) of 35 (·10?7 cm3·s/g) or more, and T-20 of 180 seconds or less.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: May 11, 2021
    Inventors: Tae Bin Ahn, Dong Hyun Kim, Yeon Soo Kim, Hyun Sup Lee, Chang Sun Han, Myung Han Lee
  • Publication number: 20210080364
    Abstract: A method for evaluating the stability of a separator, including the steps of: preparing a separator; determining the elongation properties of the separator by using dynamic mechanical analysis (DMA); comparing the determined value with the stability standards of the elongation properties; and classifying a separator as a stability-passing separator when the determined values satisfy the stability standards, and classifying a separator as a stability-failing separator when the determined values do not satisfy the stability standards, after the comparison.
    Type: Application
    Filed: March 28, 2019
    Publication date: March 18, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Hyun-Sup LEE, Yeon-Soo KIM, Sang-Eun KIM, Dong-Wook SUNG, Dae-Sung JANG, Myung-Han LEE, Je-An LEE
  • Publication number: 20200194761
    Abstract: Disclosed is a separator which includes a porous polymer substrate including a polymer showing a variation in phase angle represented by the following Formula 1 at 0.1 Hz depending on an increase in temperature. An electrochemical device including the separator is also disclosed. Variation in phase angle at 0.1 Hz=[(Phase angle190?Phase angle280)/(Phase angle190)]×100?0%,??[Formula 1] wherein Phase angle190 means the phase angle of the porous polymer substrate at 0.1 Hz and 190° C., and Phase angle280 means the phase angle of the porous polymer substrate at 0.1 Hz and 280° C.
    Type: Application
    Filed: November 8, 2018
    Publication date: June 18, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Dae-Sung JANG, Yeon-Soo KIM, Dong-Wook SUNG, Hyun-Sup LEE, So-Mi JEONG
  • Publication number: 20200172771
    Abstract: The present invention relates to an adhesive composition and an organic electronic device comprising the same, and provides an adhesive composition which can form a encapsulating structure capable of effectively blocking moisture or oxygen introduced from the outside into the organic electronic device, thereby securing the lifetime of the organic electronic device, and can improve processability by being easily applied in the process of forming the encapsulating structure of the organic electronic device, thereby preventing problems that air bubbles flow into the inside of the encapsulating structure or application nozzles are clogged, and an organic electronic device comprising the same.
    Type: Application
    Filed: September 25, 2017
    Publication date: June 4, 2020
    Applicant: LG Chem, Ltd.
    Inventors: So Young KIM, Seung Min LEE, Se Woo YANG, Hyun Sup LEE, Yeon Soo KIM
  • Publication number: 20200088710
    Abstract: A SAP evaluation apparatus includes: a main body installed with a lifting bar that is raised or lowered; a container portion installed under the lifting bar in the main body and having an internal containing space for containing an absorber; an operating portion connected to the lifting bar and having a lifting plate that is raised or lowered within the containing space and applies pressure to the absorber and an injection portion for injecting an ink in the direction of the absorber; a dispersion measurement portion for measuring the dispersion of the ink through the absorber; and a controller installed at the main body to measure absorption of the ink into the absorber and measure swelling capacity of the absorber while the ink is injected into the absorber.
    Type: Application
    Filed: August 24, 2018
    Publication date: March 19, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Yeon Soo Kim, Hye Mi Nam, Hyunsup Lee, Sang Gi Lee, Chang Hun Han, Myung Han Lee, Hyejin Han
  • Publication number: 20200009530
    Abstract: The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the super absorbent polymer has: a fixed height absorption (FHA) of 22.5 g/g to 29 g/g, a saline flow conductivity (SFC) of 35(·10?7 cm3·s/g) or more, and T-20 of 180 seconds or less.
    Type: Application
    Filed: October 25, 2017
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Tae Bin Ahn, Dong Hyun Kim, Yeon Soo Kim, Hyun Sup Lee, Chang Sun Han, Myung Han Lee
  • Publication number: 20190276609
    Abstract: The present invention relates to a superabsorbent polymer that not only has excellent basic absorption performance, but also exhibits more improved absorption speed, permeability, etc., and a method for preparing the same. The superabsorbent polymer includes a base polymer powder including: a first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; and a surface crosslink layer that is formed on the base polymer powder, and further includes a second crosslinked polymer in which the first crosslinked polymer is additionally crosslinked by a C2-5 alkylene carbonate, wherein an absorption degree, SFC, an absorption speed, and a porosity fulfill specific ranges.
    Type: Application
    Filed: January 11, 2018
    Publication date: September 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hyemin Lee, Taebin Ahn, Hyunsup Lee, Yeon Soo Kim
  • Publication number: 20190106735
    Abstract: According to the present disclosure, a cancer gene analysis method comprises performing multiplex polymerase chain reaction (MPCR) on a nucleic acid sample extracted from a biological sample using a cancer gene-specific primer set including four or more species of sequences selected from the group consisting of sequence numbers 1 to 72, performing multiplex real-time polymerase chain reaction (MRTPCR) on a product of the MPCR using the primer set and a marker, and identifying the type of the cancer gene using a product of the MRTPCR. The primer set includes an oligonucleotide of a dumbbell structure represented in the following formula: 5?-Ap-Bq-Cr-3?.
    Type: Application
    Filed: May 16, 2018
    Publication date: April 11, 2019
    Inventors: Seong-Sik LIM, Yeon-Soo KIM, Jun KANG, Jung Suk LIM, Se Eun PARK
  • Patent number: 10228501
    Abstract: The present invention relates to a method for manufacturing a polarizer, including: a) immersing and swelling a polyvinyl alcohol-based film in an aqueous solution containing an azo-based dye having an absorption wavelength of 300 nm to 550 nm; b) dyeing the swollen polyvinyl alcohol-based film with an iodine-based dye; and c) stretching the dyed polyvinyl alcohol-based film, and a polarizer manufactured using the method.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: March 12, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jae Il Ryu, Eung Jin Jang, Jin Yong Park, Eungki Lee, Hyung Koo Kang, Taek Geun Nam, Deok Woo Park, Young Gon Kim, Yeon Soo Kim, You Kyeong Kim
  • Publication number: 20180362986
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating cancer containing pleiotropic regulator 1 (PLRG1) inhibitor as an active ingredient, a method for treating cancer including administering the composition to a subject, a composition for diagnosing cancer containing an agent for measuring the expression level of PLRG1, a method for providing information for diagnosing cancer including measuring the expression level of PLRG1, and a method for screening agents for preventing or treating cancer. Pleiotropic regulator 1 (PLRG1) is overexpressed in cancer cells, and the inhibition of the expression of PLRG1 can induce cancer cell-specific apoptosis. Accordingly, the PLRG1 inhibitor of the present invention has an excellent effect as an anticancer agent without side effects, and additionally, the PLRG1 inhibitor can be used for cancer diagnosis, screening of anticancer agents, etc. by measuring the expression levels of PLRG1.
    Type: Application
    Filed: October 7, 2016
    Publication date: December 20, 2018
    Inventors: Kee-Ho LEE, Sungsub KIM, Yeon-Soo KIM, Eun-Ran PARK, Hyun Jin SHIN, Eun-Ju LEE, Yong-Ho HAM, Sang Bum KIM, Sun-Hoo PARK, Chul-Ju HAN, Sung Hee HONG, Yang Hyun KIM, Jung Min KIM, Mi Yeun KIM, Moonkyoung KANG, Eun Yeong SONG, Jie Young SONG
  • Patent number: 10039841
    Abstract: The present invention relates to a replication retrovirus vector system comprising thymidine kinase (HSV-TK) gene and cytosine deaminase (CD) gene which make gene transfer to cancer cell tissue for the efficient treatment of cancer. Particularly, the HSV-TK/CD combined self-replicating retrovirus vector system of the present invention characteristically contains both HSV-TK and CD genes; has no worries about losing a therapeutic gene because recombination does not occur in this system during virus infection; and has an excellent stability, and also is able to induce cancer cell death by using the prodrug GCV or 5-FC and can apply a therapeutic gene or a prodrug thereof selectively to such cancer that shows resistance against cancer treatment using either TK or CD, so that this system of the invention can be advantageously used as a pharmaceutical composition for the treatment of cancer.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: August 7, 2018
    Assignee: THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC)
    Inventors: Yeon Soo Kim, Moonkyung Kang, Min Jeong Baek
  • Patent number: 10011743
    Abstract: A dielectric adhesive film for an electronic paper display device, by which the operating performance of a flexible display device is excellent even applying a high voltage when the flexible display device is operated, by controlling a dielectric constant with respect to an adhesive film for attaching a lower electrode to which a voltage is applied with an image upper electrode on which particles, which possess electric charges with various colors that change according to an applied voltage, are coated to adjust the electric charges of the adhesive film in the thickness direction to thereby minimize loss of the applied voltage while maintaining an adhesive property and reliability.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: July 3, 2018
    Assignee: TORAY ADVANCED MATERIALS KOREA, INC.
    Inventors: Dong Han Kho, Sang Hoon Lee, Chang Ik Hwang, Yeon Soo Kim
  • Publication number: 20180147299
    Abstract: The present invention relates to a replication retrovirus vector system comprising thymidine kinase (HSV-TK) gene and cytosine deaminase (CD) gene which make gene transfer to cancer cell tissue for the efficient treatment of cancer. Particularly, the HSV-TK/CD combined self-replicating retrovirus vector system of the present invention characteristically contains both HSV-TK and CD genes; has no worries about losing a therapeutic gene because recombination does not occur in this system during virus infection; and has an excellent stability, and also is able to induce cancer cell death by using the prodrug GCV or 5-FC and can apply a therapeutic gene or a prodrug thereof selectively to such cancer that shows resistance against cancer treatment using either TK or CD, so that this system of the invention can be advantageously used as a pharmaceutical composition for the treatment of cancer.
    Type: Application
    Filed: November 30, 2016
    Publication date: May 31, 2018
    Applicant: The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Yeon Soo KIM, Moonkyung KANG, Min Jeong BAEK
  • Publication number: 20180073082
    Abstract: The present invention relates to a dumbbell-structure oligonucleotide (DSO), a nucleic acid amplification primer comprising the same, and a nucleic acid amplification method using the same and, more specifically, to a method for multi-gene amplification and single-nucleotide polymorphism analysis using a dumbbell-structure oligonucleotide capable of excluding non-specific amplification products prior to binding to a template in a first cycle in performing a polymerase chain reaction.
    Type: Application
    Filed: February 25, 2015
    Publication date: March 15, 2018
    Inventors: Seong-Sik LIM, Yeon-Soo KIM