Patents by Inventor Leehyeon Baek

Leehyeon Baek 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: 20250230275
    Abstract: Provided are a resin including a unit of Chemical Formula 1, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition: wherein all the variables are described herein.
    Type: Application
    Filed: November 6, 2023
    Publication date: July 17, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Jonghwa Baek, Min Suk Jung, Nana Kang, Jaesoon Bae, Byeongyeon Jung, Heeyeon Moon, Leehyeon Baek, Hyeonah Shin
  • Publication number: 20250176542
    Abstract: Provided are an antibacterial composition including a compound represented by Chemical Formula 1, and the antibacterial composition has improved thermal stability and antibacterial activity: wherein all the variables are described herein.
    Type: Application
    Filed: October 20, 2023
    Publication date: June 5, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Seungmo Lee, Leehyeon Baek, Jeong Yun Lee, Yoon Hyung Hur, Jiyoung Lee, Doowhan Choi
  • Publication number: 20240315242
    Abstract: Provided is a novel compound, more particularly, a novel compound of Chemical Formula 1 exhibiting an excellent antibacterial property while having a polymerizable functional group to prepare an antibacterial polymer, wherein all the variables are described herein.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 26, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Leehyeon Baek, JI Seok Lee, Hyungsam Choi, Seonjung Jung, Soonhee Kang, Haesung Yun, Yoon Hyung Hur
  • Publication number: 20240287238
    Abstract: An elastic antibacterial polyurethane polymer and a method for preparing the same. The polyurethane polymer has excellent antibacterial properties, mechanical properties, and heat resistance and durability. Specifically, the elastic antibacterial polyurethane of the includes a unit(s) derived from (A) an isocyanate compound; and (B) a polyol comprising a polyether glycol and a diol represented by the disclosed Chemical Formula 1, wherein the (B) polyol comprises 0.01 to 40 mol % of the diol represented by Chemical Formula 1.
    Type: Application
    Filed: August 19, 2022
    Publication date: August 29, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Yoon Hyung Hur, Soonhee Kang, Leehyeon Baek, Hyungsam Choi, Seonjung Jung, Ji Seok Lee, Jeong Yun Lee
  • Publication number: 20240284904
    Abstract: An antibacterial composition including a compound represented by the disclosed formula 1 and having an antibacterial activity of 80% or more as measured by the disclosed method 1, against at least one strain of gram-positive bacteria, gram-negative bacteria, and fungus. Since the antibacterial composition includes a hydrophilic functional group and a hydrophobic functional group at the same time, it is advantageous for imparting antibacterial properties.
    Type: Application
    Filed: September 28, 2022
    Publication date: August 29, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Seungmo Lee, Leehyeon Baek, Jeong Yun Lee, Hwanhee Lee, Doowhan Choi, Yoon Hyung Hur, Jiyoung Lee, Hyungsam Choi
  • Publication number: 20240254265
    Abstract: Provided are an antibacterial SAN resin, a method of preparing the same, and an antibacterial ABS resin composition including the same, particularly, an antibacterial SAN resin capable of exhibiting a persistent antibacterial property without leakage of antibacterial substances, a method of preparing the same, and an antibacterial ABS resin composition including the same. Such SAN resin comprises a repeating unit derived from a monomer represented by the following Chemical Formula 1: wherein all the variables are described herein.
    Type: Application
    Filed: June 30, 2022
    Publication date: August 1, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Soonhee Kang, Seonjung Jung, Leehyeon Baek, Hyungsam Choi, Yoon Hyung Hur
  • Publication number: 20240247089
    Abstract: Provided is an antibacterial copolymer, more particularly, an antibacterial copolymer continuously maintaining excellent antibacterial property, wherein the antibacterial copolymer comprises a first repeating unit represented by the following Formula 1; and a second repeating unit derived from a monomer having one or more ethylenically unsaturated groups, wherein all the variables are described herein.
    Type: Application
    Filed: June 27, 2022
    Publication date: July 25, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Ji Seok Lee, Leehyeon Baek, Hyungsam Choi, Seonjung Jung, Soonhee Kang, Haesung Yun, Yoon Hyung Hur
  • Publication number: 20240107999
    Abstract: Provided is an antibacterial composition comprising at least one compound including a quaternary ammonium structure having an acrylate group or a methacrylate group, and having an antibacterial strength A of 90% or more against at least one strain selected from Gram-positive bacteria and Gram-negative bacteria, and an acute oral toxicity dose LD50 of 300 mg/Kg or more, where the antibacterial strength A equals (1?Asample/AReference)×100, where Asample equals an absorbance of an inoculated medium solution incubated with the antibacterial composition, and AReference equals an absorbance of an inoculated medium solution incubated without addition of the antibacterial composition.
    Type: Application
    Filed: June 29, 2022
    Publication date: April 4, 2024
    Inventors: Ji Seok LEE, Soonhee KANG, Sanggon KIM, Leehyeon BAEK, Haesung YUN, Hwanhee LEE, Da Sol CHUNG, Seonjung JUNG, Hyungsam CHOI
  • Publication number: 20230381077
    Abstract: An antibacterial deodorant composition including: a first compound of Chemical Formula 1; and a second compound different from the first compound, in which the first compound is cross-linked to at least a portion of the second compound, a content of guaiacol is 300 ng or less, a content of 3-methylbutanal is 250 ng or less, and a content of diacetyl is 30 ng or less when the antibacterial deodorant composition is evaluated for deodorization by Method A, and a preparation method thereof.
    Type: Application
    Filed: June 29, 2022
    Publication date: November 30, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Yoon Hyung Hur, Soonhee Kang, Leehyeon Baek, Ue Ryung Seo, Ji Seok Lee, Seonjung Jung, Hyungsam Choi
  • Publication number: 20230264172
    Abstract: The present disclosure relates to a super absorbent polymer, and a preparation method of the same. More specifically, there are provided a super absorbent polymer capable of exhibiting improved bacterial growth-inhibitory property without lowering absorption performance, and a preparation method of the same.
    Type: Application
    Filed: March 17, 2022
    Publication date: August 24, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Soonhee Kang, Seonjung Jung, Hyungsam Choi, Leehyeon Baek, Ji Seok Lee, Haesung Yun
  • Patent number: 11737300
    Abstract: The present disclosure relates to a coating composition and an organic light emitting device.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: August 22, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Ho Gyu Lee, Jaesoon Bae, Seog Jae Seo, Jaechol Lee, Jiyeon Shin, Leehyeon Baek
  • Publication number: 20230110973
    Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein A, L1 to L3, Ar1 to Ar3, R1 to R3, a and b are described herein.
    Type: Application
    Filed: February 17, 2021
    Publication date: April 13, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaechol Lee, Jung Ha Park, Yongwook Kim, Shin Sung Kim, Leehyeon Baek, Keunsoo Lee
  • Publication number: 20220255006
    Abstract: The present specification provides a compound of Chemical Formula 1, a coating composition including the same, and an organic light emitting device using the same.
    Type: Application
    Filed: July 16, 2020
    Publication date: August 11, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Yongwook Kim, Leehyeon Baek, Jumin Lee
  • Patent number: 11228011
    Abstract: The present disclosure relates to an ionic compound including an anion group of Chemical Formula 1, and a coating composition and an organic light emitting device including the same.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 18, 2022
    Inventors: Ho Gyu Lee, Jaesoon Bae, Seog Jae Seo, Jaechol Lee, Jiyeon Shin, Leehyeon Baek
  • Patent number: 11196009
    Abstract: The present specification provides a coating composition including a fluorene derivative, an organic light emitting device formed using the coating composition, and a method for manufacturing the same.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: December 7, 2021
    Inventors: Esder Kang, Young Kwang Kim, Jaesoon Bae, Jae Hak Jeong, Jiyeon Shin, Seog Jae Seo, Jaechol Lee, Sungkyoung Kang, Leehyeon Baek
  • Patent number: 11165037
    Abstract: The present disclosure relates to an organic light emitting device.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: November 2, 2021
    Inventors: Ho Gyu Lee, Jaesoon Bae, Seog Jae Seo, Jaechol Lee, Jiyeon Shin, Leehyeon Baek
  • Publication number: 20210054000
    Abstract: The present invention relates to a novel compound represented by the following Chemical Formula 1, a coating composition including the same, and an organic light emitting device including the same: wherein, R, a to c, R4 to R6, L1, L2, and Ar are as defined herein.
    Type: Application
    Filed: September 11, 2019
    Publication date: February 25, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yongwook Kim, Jaesoon Bae, Jaechol Lee, Kilsun Lee, Young Kwang Kim, Leehyeon Baek, Hyungil Park
  • Publication number: 20200020858
    Abstract: The present disclosure relates to an ionic compound including an anion group of Chemical Formula 1, and a coating composition and an organic light emitting device including the same.
    Type: Application
    Filed: November 24, 2017
    Publication date: January 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ho Gyu Lee, Jaesoon Bae, Seog Jae Seo, Jaechol Lee, Jiyeon Shin, Leehyeon Baek
  • Publication number: 20200020873
    Abstract: The present disclosure relates to an organic light emitting device.
    Type: Application
    Filed: November 24, 2017
    Publication date: January 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ho Gyu Lee, Jaesoon Bae, Seog Jae Seo, Jaechol Lee, Jiyeon Shin, Leehyeon Baek
  • Publication number: 20190280206
    Abstract: The present disclosure relates to a coating composition and an organic light emitting device.
    Type: Application
    Filed: November 24, 2017
    Publication date: September 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Ho Gyu Lee, Jaesoon Bae, Seog Jae Seo, Jaechol Lee, Jiyeon Shin, Leehyeon Baek