Patents by Inventor Joo-Ho Kim

Joo-Ho 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).

  • METHOD OF PREPARING ESTER-BASED COMPOSITION
    Publication number: 20210179530
    Abstract: The present invention relates to a method of preparing an ester-based composition, which includes mixing a dibenzoic acid and a carboxylic acid to prepare an acid mixture and reacting the acid mixture with an alcohol, wherein a product of the reaction includes a benzoic acid ester-based material and a carboxylic acid ester-based material. The preparation method can improve a reaction rate and a temperature rising rate, and can also reduce energy, by adding a carboxylic acid and/or a carboxylic acid ester-based material in a preparation process.
    Type: Application
    Filed: October 30, 2017
    Publication date: June 17, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Mi Yeon LEE
  • Ester-based compound, composition comprising the same, method for preparing the same and resin composition comprising the same
    Patent number: 11034818
    Abstract: The present invention relates to an ester-based plasticizer composition, a method for preparing the same and a resin composition comprising the same. The ester-based plasticizer composition according to one embodiment of the present invention is a novel terephthalate-based ester compound for a plasticizer prepared by transesterification. When the ester-based plasticizer composition used in a resin composition, it is capable of providing excellent properties such as migration resistance and volatility resistance as well as excellent resistance for stress, tensile strength and elongation rate.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: June 15, 2021
    Assignee: LG CHEM LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • System for continuously purifying reaction product of esterification
    Patent number: 11021432
    Abstract: The present disclosure relates to a system and a method for continuously purifying a reaction product of esterification, where the system includes a neutralizer, a distiller, and a product purifier. Through the present system and the method, it is possible to perform a continuous purification process efficiently, and to reduce lower alcohol wastewater generated during purification.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: June 1, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Sung Kyu Lee, Hyoung Jun, Chan Hyu Jin, Jeong Ju Moon, Joo Ho Kim
  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20210155788
    Abstract: A plasticizer composition and a resin composition including the plasticizer composition. The resin composition addresses limitations associated with conventional plasticizers by improving various properties such as plasticization efficiency and mechanical properties including migration properties, volatile loss, tensile strength and elongation rate. The plasticizer composition is also capable of improving properties such as elongation retention and cold tolerance.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 27, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG
  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20210130577
    Abstract: A plasticizer composition and a resin composition including the same. The plasticizer composition includes a terephthalate-based material including a mixture of dibutyl terephthalate, butyl(2-ethylhexyl) terephthalate and di(2-ethylhexyl) terephthalate; and a glyceride-based material. The plasticizer composition has improved physical properties such as tensile strength, elongation rate and modulus and also has excellent properties attributable to the inclusion of a terephthalate-based material, such as excellent transmittance, transparency and migration loss properties.
    Type: Application
    Filed: December 4, 2018
    Publication date: May 6, 2021
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Yun Ki Cho, Joo Ho Kim, Seok Ho Jeong
  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20210115028
    Abstract: Provided is a plasticizer composition, including: a cyclohexane-1,2-diester-based substance in which two alkyl groups are bonded to the ester groups, and the alkyl groups each independently are a C4 to C12 alkyl group; and an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 1: wherein in Chemical Formula 1: R1 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R2 is a C4 to C10 alkyl group.
    Type: Application
    Filed: May 29, 2019
    Publication date: April 22, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM
  • AUTOMATED IMMUNOASSAY DEVICE AND METHOD USING LARGE MAGNETIC PARTICLE COMPLEX
    Publication number: 20210101144
    Abstract: The present invention relates to an immunoassay apparatus and a method thereof. The immunoassay apparatus including a cartridge 13 in which a tube for T tip 9, a reaction tube 11, a tube for washing 3, and a tube for signal measurement 5 are integrally coupled or individually configured; a T tip 7 and a magnetic rod 31 used for performing reaction and washing processes while moving large magnetic particles m, capture materials, signal materials, and analyte materials with magnetic force by entering successively a plurality of tubes 3 and 5; a cartridge holder 15 in which the cartridge 13 is seated; and a heating member 17 that generates heat by being disposed at a region in which the reaction tube 11 is seated in the cartridge holder 15; is configured in a state where each of the different shapes of magnetic particles is bound with materials.
    Type: Application
    Filed: April 27, 2018
    Publication date: April 8, 2021
    Applicant: EzDia Tech Inc.
    Inventors: Joo-ho KIM, Mun-tak SON
  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20210070964
    Abstract: The present invention is a plasticizer composition which includes a trimellitate-based plasticizer and a citrate-based plasticizer, and does not contain epoxidized oil, and particularly, may provide a plasticizer composition which may improve physical properties such as migration resistance, tensile strength, an elongation rate, a retention characteristic and low-temperature resistance, required in the use of a plasticizer of a resin composition by improving problems inherent in a conventional plasticizer, and a resin composition including the same.
    Type: Application
    Filed: February 9, 2018
    Publication date: March 11, 2021
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Seok Ho JEONG, Mi Yeon LEE, Joo Ho KIM
  • ORGANIC LIGHT EMITTING DIODE
    Publication number: 20210066619
    Abstract: An organic light emitting device including a compound of Chemical Formula 1 and a compound of Chemical Formula 2, wherein
    Type: Application
    Filed: May 17, 2019
    Publication date: March 4, 2021
    Inventors: Woochul LEE, Ji Young CHOI, Joo Ho KIM, Dong Hoon LEE, Sang Duk SUH, Hoon Jun KIM
  • ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20210020844
    Abstract: The present specification relates to a compound represented by the following Formula 1 and an organic light emitting device including the same. The compound is used as a material for an organic material layer of the organic light emitting device.
    Type: Application
    Filed: October 4, 2019
    Publication date: January 21, 2021
    Inventors: Sang Duk Suh, Ji Young Choi, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Dong Hoon Lee
  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20210002204
    Abstract: Provided is a plasticizer composition, comprising: a cyclohexane-1,4-diester-based substance of the following Chemical Formula 1; an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 2; and a citrate-based substance of the following Chemical Formula 3: wherein in Chemical Formula 1 to Chemical Formula 3: R1 and R2 each independently are a C8 alkyl group; R3 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R4 to R7 each independently are a C4 to C10 alkyl group.
    Type: Application
    Filed: June 3, 2019
    Publication date: January 7, 2021
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Seok Ho JEONG, Yun Ki CHO, Joo Ho KIM
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20200411771
    Abstract: An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.
    Type: Application
    Filed: June 11, 2019
    Publication date: December 31, 2020
    Inventors: Joo Ho KIM, Ji Young CHOI, Woochul LEE, Dong Hoon LEE, Dongheon KIM, Sang Duk SUH, Hyungjin LEE
  • Plasticizer composition, resin composition and methods of preparing the same
    Patent number: 10865289
    Abstract: The present invention relates to a plasticizer composition, a resin composition and methods of preparing the same, and provides a plasticizer which is environmentally friendly so as to be suitable for use, exhibits excellent transparency and adhesiveness, and can be improved in basic properties such as tensile strength, an elongation rate, hardness and the like when used as a plasticizer for a resin composition, and a resin composition including the same.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: December 15, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Plasticizer composition and resin composition including the same
    Patent number: 10851220
    Abstract: A plasticizer composition and a resin composition including the same. The plasticizer composition includes a terephthalate-based material including a mixture of dibutyl terephthalate, butyl(2-ethylhexyl) terephthalate and di(2-ethylhexyl) terephthalate; and a triethylene glycol diester-based material including a mixture of triethylene glycol bis(2-ethylhexanoate), (2-ethylhexanoyloxy) triethylene glycol benzoate and triethylene glycol dibenzoate. A material prepared from the resin composition has excellent mechanical properties, such as tensile strength, elongation rate, modulus, transmittance, transparency and plasticization efficiency.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Seok Ho Jeong, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim
  • Plasticizer composition, resin composition, and methods for preparing same
    Patent number: 10851219
    Abstract: The present invention relates to a plasticizer composition, a resin composition, and methods for preparing the same. The present invention can provide: a plasticizer capable of improving properties, such as plasticization efficiency, transitivity, tensile strength, elongation, and tension/elongation retention, required when a resin composition is used as a plasticizer, by improving poor properties caused due to structural limitations; and a resin composition containing the same.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • ORGANIC LIGHT EMITTING ELEMENT
    Publication number: 20200373496
    Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a first host material comprising a compound of Chemical Formula A: a second host material including a compound of Chemical Formula B: and a dopant material comprising a compound of Chemical Formula C or D:
    Type: Application
    Filed: September 18, 2018
    Publication date: November 26, 2020
    Inventors: Woochul LEE, Ki Dong KOO, Ji Young CHOI, Young Seok KIM, Joo Ho KIM, Kongkyeom KIM, Dongheon KIM, Younghee LEE, Ki Kon LEE, Sujeong GEUM, Jung Min YOON
  • Plasticizer composition and resin composition including same
    Patent number: 10844194
    Abstract: The present invention relates to a plasticizer composition, a resin composition including the same, and a method of preparing the same. The plasticizer composition includes a cyclohexane 1,4-diester-based material; and an epoxidized alkyl ester-based material, wherein a weight ratio of the cyclohexane 1,4-diester-based material and the epoxidized alkyl ester-based material is 99:1 to 1:99, and the epoxidized alkyl ester-based material has an oxirane index (O.I.) of 1.5 or more. When the plasticizer composition is used as a plasticizer for a resin composition, properties such as plasticization efficiency, migration ability, tensile strength, elongation rate, migration upon stress, absorption rate, and the like may be improved.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Mi Yeon Lee, Joo Ho Kim, Seok Ho Jeong
  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20200354544
    Abstract: A plasticizer composition, and a resin composition including the same. The plasticizer composition includes 70 to 99 wt % of a first plasticizer including a terephthalate-based material and a citrate-based material in a specific weight ratio; and 1 to 30 wt % of a second plasticizer including an epoxidized alkyl ester composition. The plasticizer composition has enhanced physical properties, such as thermal stability and light resistance. In addition, the plasticizer composition has stable and improved tensile and elongation properties, migration resistance and volatile loss.
    Type: Application
    Filed: October 11, 2018
    Publication date: November 12, 2020
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Yun Ki CHO
  • Plasticizer composition and resin composition including the same
    Patent number: 10822472
    Abstract: The present invention relates to a plasticizer composition and a resin composition including the same, and can provide a plasticizer composition in which a terephthalate-based material and a cyclohexane 1,4-diester-based material are mixed, and the sum of carbon atoms of alkyl groups bonded to the two materials is in the range of 34 to 40, and by which environmental friendliness can be secured, mechanical properties such as tensile strength and an elongation rate and physical properties such as migration properties and volatile loss can be improved to levels equal to or higher than those of existing products, and effects of improving processability and plasticizing efficiency can be expected, and a resin composition including the same.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: November 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Plasticizer composition, resin composition and method for preparing thereof
    Patent number: 10800900
    Abstract: The present invention relates to a plasticizer composition, a resin composition and a method for preparing thereof. The present invention can provide a plasticizer composition, which can improve properties required to the plasticizer composition contained in a vinyl chloride-based resin composition, such as plasticizing efficiency, tensile retention and elongation retention, volatile loss, and migration resistance, to a level equal to or better than the existing plasticizer composition, and a resin composition comprising thereof.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong