Patents by Inventor Hyo Shin Kwak

Hyo Shin Kwak 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: 20220073480
    Abstract: The present invention relates to a diamine compound, a method of preparing the same, and a composition containing the same. The diamine compound of the present invention may be very usefully used as a monomer used to produce a polyimide film having excellent heat resistance and improved transparency and coefficient of thermal expansion.
    Type: Application
    Filed: September 1, 2021
    Publication date: March 10, 2022
    Inventors: Min Seon Jung, Hyo Shin Kwak, Joo Hyun Lee
  • Publication number: 20220073681
    Abstract: The present invention relates to a polyimide precursor, a polyimide precursor solution, a polyimide film, a manufacturing method thereof, and a use thereof. The polyimide precursor according to the present invention may provide a polyimide film that has excellent heat resistance and satisfies transparency and a low coefficient of linear thermal expansion, and thus the polyimide film will be usefully applicable in the field of flexible displays requiring high dimensional stability.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 10, 2022
    Inventors: Min Seon Jung, Hyo Shin Kwak, Joo Hyun Lee
  • Publication number: 20220045351
    Abstract: Provided is a lithium secondary battery including an anode including a silicon-based anode active material; a cathode; and an electrolyte, the electrolyte including a lithium salt, a non-aqueous organic solvent, and a conjugated diene compound.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 10, 2022
    Inventors: Dai In Park, Hyo Shin Kwak, Myoung Lae Kim, In Haeng Cho
  • Publication number: 20210408532
    Abstract: A cathode active material for a lithium secondary battery includes a lithium metal oxide particle and a thio-based compound formed on at least portion of a surface of the lithium metal oxide particle. The thio-based compound has a double bond that contains a sulfur atom. Chemical stability of the lithium metal oxide particle may be improved and surface residues may be reduced by the thio-based compound.
    Type: Application
    Filed: September 14, 2021
    Publication date: December 30, 2021
    Inventors: Jik Soo KIM, Sang Bok KIM, Hyo Shin KWAK, Myoung Lae KIM, Se Rah MOON, Jin Seok SEO, Mi Jung NOH, Duck Chul HWANG
  • Publication number: 20210324146
    Abstract: Provided are a polyamideimide film, a window cover film, and a display panel including the same. More specifically, a polyamideimide film including an amideimide structure derived from a dianhydride, a diamine, and an aromatic diacid dichloride is provided, wherein a chlorine content in the film is 5 to 33 ppm and a yellow index change amount ?YI is 5 or less, the yellow index change amount being measured in accordance with ASTM E313 after repeating a process of irradiating 0.55 W/m2 of UVA at 340 nm at 40° C. for 20 hours and then blocking UVA for 4 hours three times.
    Type: Application
    Filed: April 19, 2021
    Publication date: October 21, 2021
    Inventors: Hyeon Jeong Kim, Hye Ri Kim, Se Rah Moon, Sang Yoon Park, Hyo Shin Kwak
  • Patent number: 10927097
    Abstract: The present application relates to an indole compound represented by formula (1): a pharmaceutically acceptable salt or isomer thereof, a composition for prevention or treatment of necrosis and necrosis-associated diseases, and a method for preparing the composition, the composition comprising the indole compound or the pharmaceutically acceptable salt or isomer thereof as an active ingredient.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: February 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Heui Sul Park, Sun Young Koo, Hyoung Jin Kim, Sung Bae Lee, Hyo Shin Kwak, Vasily Artemov, Soon Ha Kim
  • Publication number: 20200185774
    Abstract: Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a difluorophosphite olefin compound, and a lithium secondary battery including the same.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 11, 2020
    Inventors: In Haeng Cho, Hyo Shin Kwak, Joo Hyun Lee, Dai In Park
  • Publication number: 20200168911
    Abstract: A cathode active material for a lithium secondary battery includes a lithium metal oxide particle, and an organic poly-phosphate or an organic poly-phosphonate formed on at least portion of a surface of the lithium metal oxide particle. Chemical stability of the lithium metal oxide particle may be improved and surface residues may be reduced by the organic poly-phosphate or the organic poly-phosphonate.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 28, 2020
    Inventors: Sang Bok KIM, Jik Soo KIM, Hyo Shin KWAK, Myoung Lae KIM
  • Publication number: 20200144612
    Abstract: A cathode active material for a lithium secondary battery includes a lithium metal oxide particle and a thio-based compound formed on at least portion of a surface of the lithium metal oxide particle. The thio-based compound has a double bond that contains a sulfur atom. Chemical stability of the lithium metal oxide particle may be improved and surface residues may be reduced by the thio-based compound.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 7, 2020
    Inventors: Jik Soo KIM, Sang Bok KIM, Hyo Shin KWAK, Myoung Lae KIM, Se Rah MOON, Jin Seok SEO, Mi Jung NOH, Duck Chul HWANG
  • Publication number: 20200119398
    Abstract: Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a bisfluorophosphite multicyclic compound, and a lithium secondary battery including the electrolyte.
    Type: Application
    Filed: October 9, 2019
    Publication date: April 16, 2020
    Inventors: In Haeng Cho, Hyo Shin Kwak, Dai In Park, Jin Haek Yang, Joo Hyun Lee, Myoung Lae Kim, Sung Yon Oh, Su Hee Han
  • Publication number: 20200044279
    Abstract: Provided is a lithium secondary battery including an anode including a silicon-based anode active material; a cathode; and an electrolyte, the electrolyte including a lithium salt, a non-aqueous organic solvent, and a conjugated diene compound.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Dai In Park, Hyo Shin Kwak, Myoung Lae Kim, In Haeng Cho
  • Publication number: 20190312248
    Abstract: The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil.
    Type: Application
    Filed: December 12, 2017
    Publication date: October 10, 2019
    Inventors: Hyeung-Jin Lee, Hwan-Kyu Jung, Hyo-Shin Kwak, Sang-Hye Shin
  • Patent number: 10322135
    Abstract: The present invention relates to a pharmaceutical composition comprising a compound of formula (1), (2) or (3) as defined in the specification for the prevention or treatment of diseases associated with oxidative stress, mitochondria dysfunction, hypoxic injury, necrosis and/or ischemic reperfusion injury, and a cosmetic composition comprising an indole compound having an antioxidant effect.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: June 18, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Soon Ha Kim, Hyoung Jin Kim, Heui Sul Park, Seon Yeong Gu, Hyo Shin Kwak, Du Hee Park, Hyo Soo Kim, Hyun Jai Cho, Ji Hyun Kim, Ju Young Kim, Kwang Min Park
  • Patent number: 9868731
    Abstract: The present invention relates to an indole amide compound represented by formula (1), a pharmaceutically acceptable salt or isomer thereof, a composition for prevention or treatment of necrosis and necrosis-associated diseases, and a method for preparing the composition, the composition comprising the indole compound or the pharmaceutically acceptable salt or isomer thereof as an active ingredient.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: January 16, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Heui Sul Park, Sun Young Koo, Hyoung Jin Kim, Sung Bae Lee, Hyo Shin Kwak, Seung Yup Paek, Soon Ha Kim
  • Publication number: 20170165272
    Abstract: The present invention relates to a pharmaceutical composition comprising a compound of formula (1), (2) or (3) as defined in the specification for the prevention or treatment of diseases associated with oxidative stress, mitochondria dysfunction, hypoxic injury, necrosis and/or ischemic reperfusion injury, and a cosmetic composition comprising an indole compound having an antioxidant effect
    Type: Application
    Filed: February 24, 2017
    Publication date: June 15, 2017
    Applicant: LG LIFE SCIENCES LTD.
    Inventors: Soon Ha KIM, Hyoung Jin KIM, Heui Sul PARK, Seon Yeong GU, Hyo Shin KWAK, Du Hee PARK, Hyo Soo KIM, Hyun Jai CHO, Ji Hyun KIM, Ju Young KIM, Kwang Min PARK
  • Publication number: 20160200709
    Abstract: The present invention relates to an indole compound represented by formula (1), a pharmaceutically acceptable salt or isomer thereof, a composition for prevention or treatment of necrosis and necrosis-associated diseases, and a method for preparing the composition, the composition comprising the indole compound or the pharmaceutically acceptable salt or isomer thereof as an active ingredient.
    Type: Application
    Filed: August 21, 2014
    Publication date: July 14, 2016
    Applicant: LG LIFE SCIENCES LTD.
    Inventors: Heui Sul PARK, Sun Young KOO, Hyoung Jin KIM, Sung Bae LEE, Hyo Shin KWAK, Vasily ARTEMOV, Soon Ha KIM
  • Publication number: 20160194313
    Abstract: The present invention relates to an indole amide compound represented by formula (1), a pharmaceutically acceptable salt or isomer thereof, a composition for prevention or treatment of necrosis and necrosis-associated diseases, and a method for preparing the composition, the composition comprising the indole compound or the pharmaceutically acceptable salt or isomer thereof as an active ingredient.
    Type: Application
    Filed: August 21, 2014
    Publication date: July 7, 2016
    Applicant: LG LIFE SCIENCES LTD.
    Inventors: Heui Sul PARK, Sun Young KOO, Hyoung Jin KIM, Sung Bae LEE, Hyo Shin KWAK, Seung Yup PAEK, Soon Ha KIM
  • Patent number: 9382334
    Abstract: Provided are an optical film using a cellulose derivative, useful in an image display device, such as a liquid crystal display or the like, a retardation film and a polarization film using the optical film, and a liquid crystal display having excellent view angle characteristics by using these films, while the optical film uses a cellulose derivative resin in which some hydrogen atoms of hydroxy groups of cellulose are substituted with three or more kinds of substituents.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: July 5, 2016
    Assignee: SK Innovation Co., Ltd.
    Inventors: Myoung Lae Kim, Hyuk Jun Kim, Won Yeob Kim, Min Joung Im, Yeong Min Jo, Seung Eon Lee, Hyo Shin Kwak
  • Patent number: 9000028
    Abstract: The present invention relates to indole or indazole compounds, pharmaceutically acceptable salts or isomers thereof which are useful for the prevention or treatment of cellular necrosis and necrosis-associated diseases. The present invention also relates to a method and a composition for the prevention or treatment of cellular necrosis and necrosis-associated diseases, comprising said indole or indazole compounds as an active ingredient.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: April 7, 2015
    Assignee: LG Life Sciences Ltd.
    Inventors: Soon Ha Kim, Hyoung Jin Kim, Sun Young Koo, Chul Woong Chung, Sung Bae Lee, Heui Sul Park, Seung Hyun Yoon, Hyo Shin Kwak, Dong Ook Seo, Eok Park
  • Publication number: 20150068427
    Abstract: Provided is an optical film used for the optical compensation, in which additives are added to thereby have a good stability at high temperature and high humidity, a higher chromaticity, a higher Haze and a higher moisture resistance, as well as a small thickness direction retardation (Rth).
    Type: Application
    Filed: May 7, 2013
    Publication date: March 12, 2015
    Inventors: Won Yeob Kim, Myoung Lae Kim, Hyuk Jun Kim, Yong Gyun Cho, Min Joung Im, Yeong Min Jo, Seung Eon Lee, Hyo Shin Kwak