Patents by Inventor Young-Sam Kim

Young-Sam 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: 20210277235
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.
    Type: Application
    Filed: December 13, 2017
    Publication date: September 9, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Duk Hun JANG, Byung Guk KIM, Young Sik EOM, Sung Yeol CHOI, Sang Gon KIM, Jin Sook RYU, Sun Ok OH, Hyung Sam CHOI
  • Patent number: 11111356
    Abstract: An attrition-resistant superabsorbent polymer and a preparation method thereof are disclosed herein. In some embodiments, an attrition resistant superabsorbent polymer includes a superabsorbent polymer having a crosslinked surface, water, particles, a multivalent metal salt, an organic acid and a polyhydric alcohol, wherein the particles having a BET specific surface area of 300 to 1500 m2/g and a porosity of 50% or more.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: September 7, 2021
    Inventors: Young-In Yang, Young Sam Kim, Bo-Hee Park, Su-Jin Kim
  • Publication number: 20210141882
    Abstract: Disclosed herein are an apparatus and method for user authentication based on multiple pieces of biometric information. The apparatus may include one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program receives multiple pieces of biometric information from the client device of a user, generates the personal identifier of the user using a neural network and a Bloom filter algorithm, and checks the similarity between the personal identifier of the user and each of personal identifiers previously registered in a database, thereby authenticating the user.
    Type: Application
    Filed: October 8, 2020
    Publication date: May 13, 2021
    Inventors: Kwan-Tae CHO, Seok-Hyun KIM, Soo-Hyung KIM, Seung-Hyun KIM, Young-Sam KIM, Jong-Hyouk NOH, Sang-Rae CHO, Young-Seob CHO, Jin-Man CHO, Jung-Yeon HWANG
  • Publication number: 20210102031
    Abstract: The present invention relates to a super absorbent polymer and a manufacturing method thereof. More particularly, the present invention relates to a manufacturing a fine powder reassembly in which excellent physical properties are maintained.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 8, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jong Doo Lim, Young Sam Kim
  • Patent number: 10920023
    Abstract: The present invention relates to a super absorbent polymer and a manufacturing method thereof. More particularly, the present invention relates to a manufacturing a fine powder reassembly in which excellent physical properties are maintained.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: February 16, 2021
    Inventors: Jong Doo Lim, Young Sam Kim
  • Patent number: 10900949
    Abstract: Provided are methods of evaluating deodorizing ability of a superabsorbent polymer and a product including the same. According to the methods of evaluating deodorizing ability of the present invention, deodorizing ability of the superabsorbent polymer and the product including the same may be evaluated by measuring changes in the concentration of ammonia naturally generated in a wet state which is made close to the actual use environment. Accordingly, the deodorizing ability of the superabsorbent polymer and the product including the same may be evaluated more accurately and efficiently.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 26, 2021
    Inventors: Jin Uk Choi, Young Sam Kim, Bo Hee Park
  • Patent number: 10814308
    Abstract: A superabsorbent polymer composition includes superabsorbent polymer particles, having a crosslinked polymer of water-soluble ethylenically unsaturated monomers including acid groups, of which at least a part are neutralized; and a particulate antimicrobial agent having a quaternary ammonium salt of a silane-based compound. The superabsorbent polymer composition exhibits improved antimicrobial and deodorizing properties without deterioration of the superabsorbent polymer properties such as centrifugal retention capacity.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: October 27, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Woo Lee, Young Sam Kim, Jin Uk Choi
  • Patent number: 10771459
    Abstract: Disclosed herein are a terminal apparatus, a server apparatus, and a method for FIDO universal authentication using a blockchain. The method includes sending, by the terminal apparatus, a FIDO service request for any one of FIDO registration, FIDO authentication, and FIDO deregistration for an application service provided by the server apparatus to the server apparatus; verifying, by the blockchain, a FIDO service response message, which is created as a result of local authentication of a user in the terminal apparatus in response to the FIDO service request; and processing, by the server apparatus, the FIDO service request based on whether the FIDO service response message is successfully verified by the blockchain.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: September 8, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seok-Hyun Kim, Sang-Rae Cho, Young-Seob Cho, Se-Young Huh, Soo-Hyung Kim, Seung-Hyun Kim, Young-Sam Kim, Jong-Hyouk Noh, Jin-Man Cho, Seung-Hun Jin, Jung-Yeon Hwang
  • Patent number: 10760184
    Abstract: The present invention relates to a method for preparing superabsorbent polymer fiber and superabsorbent polymer fiber prepared thereby. According to the preparation method of the present invention, superabsorbent polymer in the form of fiber or non-woven fabric that maintains super absorbency function can be prepared.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: September 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Seok Seo, Young Sam Kim
  • Patent number: 10745500
    Abstract: The present disclosure relates to a preparation method for an acrylic acid-based polymer. According to the preparation method for an acrylic acid-based polymer of the present disclosure, unreacted monomers may be reduced and a high quality acrylic acid-based polymer can be prepared. In addition, it is not necessary to increase the time or the temperature in the polymerization step or the aging step, thereby maintaining the high productivity.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: August 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jung Sup Han, Young Sam Kim, Chang Bum Ko, Dong Jo Ryu, Im Gyu Kim, Hyo Min Kim
  • Publication number: 20200239661
    Abstract: An attrition-resistant superabsorbent polymer and a preparation method thereof are disclosed herein. In some embodiments, an attrition resistant superabsorbent polymer includes a superabsorbent polymer having a crosslinked surface, water, particles, a multivalent metal salt, an organic acid and a polyhydric alcohol, wherein the particles having a BET specific surface area of 300 to 1500 m2/g and a porosity of 50% or more.
    Type: Application
    Filed: April 14, 2020
    Publication date: July 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Young-In Yang, Young Sam Kim, Bo-Hee Park, Su-Jin Kim
  • Patent number: 10723860
    Abstract: The present invention relates to an attrition-resistant superabsorbent polymer comprising a superabsorbent polymer; water; and at least three selected from the group consisting of particles having i) a BET specific surface area of 300 to 1500 m2/g and ii) a porosity of 50% or more, a multivalent metal salt, an organic acid and a polyhydric alcohol, and a preparation method thereof.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: July 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Young-In Yang, Young Sam Kim, Bo-Hee Park, Su-Jin Kim
  • Patent number: 10702626
    Abstract: The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: July 7, 2020
    Assignees: LG Chem. Ltd., Seoul National University R&DB Foundation
    Inventors: Yong Seok Choi, Young Sam Kim, Jong Doo Lim, Jong-Chan Lee, Na Kyung Kim, Jinseok Kim
  • Patent number: 10697092
    Abstract: The present invention relates to a method for preparing superabsorbent polymer fiber and superabsorbent polymer fiber prepared thereby. According to the preparation method of the present invention, superabsorbent polymer in the form of fiber or non-woven fabric that maintains super absorbency function can be prepared.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: June 30, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Seok Seo, Young Sam Kim
  • Publication number: 20200122117
    Abstract: A superabsorbent polymer composition includes superabsorbent polymer particles, a chelating agent and a mixture of an organic acid and a silicate-based salt. The superabsorbent polymer particles include crosslinked polymer of water-soluble ethylenically unsaturated monomers including acid groups, of which at least a part are neutralized, and the chelating agent includes EDTA or an alkali metal salt thereof, exhibiting improved antimicrobial and deodorizing properties without deterioration of the superabsorbent polymer properties such as centrifugal retention capacity.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jin Woo Lee, Young Sam Kim
  • Publication number: 20200113503
    Abstract: Provided are a method for predicting a mortality risk or a sepsis risk, implemented by a processor, to predict an emergency situation, and a device using the same. The method for predicting a mortality risk or a sepsis risk includes: receiving biological signal data for a subject from a biological signal prediction device; generating a risk sequence for the subject based on the biological signal data, by using a risk sequence generation model configured to generate a risk sequence based on the biological signal data; and predicting a risk for the subject based on the risk sequence.
    Type: Application
    Filed: October 10, 2019
    Publication date: April 16, 2020
    Inventors: Young Sam KIM, Kyung Soo Chung, Jin Kyu Yoo, Young Chul Sung, In Hyeok Cho, Sae Hoon Kim, Min Seop Park
  • Patent number: 10583052
    Abstract: The present invention relates to a superabsorbent polymer composition. Since the superabsorbent polymer composition comprises aluminosilicate particles capable of effectively adsorbing and decreasing compounds inducing odor in sanitary products such as a diaper, etc. without deterioration of the properties of superabsorbent polymer such as centrifugal retention capacity, absorbency under load, and penetration, and does not induce caking, it can be usefully used in sanitary products, etc.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: March 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Woo Lee, Young Sam Kim, Young In Yang, Su Jin Kim
  • Publication number: 20200047157
    Abstract: Disclosed are a superabsorbent polymer having improved anti-caking properties and a method of preparing the same, and the superabsorbent polymer having improved anti-caking properties includes a superabsorbent polymer, microparticles, and water, and to improve anti-caking properties of the superabsorbent polymer, the temperature of the superabsorbent polymer or water upon addition of water or the aging time upon stirring is adjusted, thereby preventing caking of the particles.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Young-In Yang, Young-Sam Kim, Jun-Kyu Kim, Bo-Hee Park, Ung-Gu Kang, Min-Gyu Kim, Su-Jin Kim
  • Patent number: 10544048
    Abstract: Disclosed is a water-dispersed aerogel, having an eco-friendly composition that contains an organic solvent in a decreased amount while increasing ease of use of aerogel microparticles in a liquid phase and a method of manufacturing the water-dispersed aerogel is also provided.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: January 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Young-In Yang, Young-Sam Kim, Kyoung-Shil Oh, Ye-Hon Kim
  • Patent number: 10534127
    Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a liquid crystal display panel, a light guide plate configured to guide blue light from a blue light source to the liquid crystal display panel and a light conversion sheet comprising a light conversion layer and a light compensation pattern positioned on edges of the light conversion layer configured to compensate blue light leakage at the edges of the light conversion sheet, wherein the light conversion sheet is positioned between the liquid crystal display panel and the light guide panel.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: January 14, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Young Sam Kim, Jong Chil Lee