Patents by Inventor Jeong Ju MOON

Jeong Ju MOON 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: 20220162436
    Abstract: The present disclosure relates to a plasticizer composition including a cyclohexane 1,4-diester-based material and a cyclohexane 1,2,4-triester-based material, and may provide a plasticizer maintaining an excellent level of plasticization efficiency when compared with a common phthalate-based plasticizer product and improving mechanical properties, and may also provide a plasticizer having excellent stress resistance as an advantage.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 26, 2022
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Woo Hyuk CHOI, Jeong Ju MOON
  • Publication number: 20220162421
    Abstract: The present disclosure relates to a plasticizer composition characterized in including two or more isophthalates of the same carbon number type, in which alkyl groups bonded to two ester groups have the same carbon number; one or more isophthalates of a different carbon number type, in which alkyl groups bonded to two ester groups have different carbon numbers; wherein the different carbon number type includes both a higher alkyl and a lower alkyl, the carbon number of the higher alkyl is 8 to 10, and the carbon number of the lower alkyl is selected from 5 to 7, thereby, when applied to a resin, showing improved viscosity stability, migration resistance and stress resistance, while maintaining and improving plasticization efficiency and mechanical properties to the same or better level.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 26, 2022
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Woo Hyuk CHOI
  • Patent number: 11286229
    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: Grant
    Filed: October 30, 2017
    Date of Patent: March 29, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Joo Ho Kim, Mi Yeon Lee
  • Patent number: 11186703
    Abstract: The present invention relates to a plasticizer composition, which includes a terephthalate-based material in which alkyl groups bonded to a diester group have a weight average carbon number of greater than 7 and less than 9; and a monobenzoate-based material including one or more compounds represented by Chemical Formula 1, wherein a weight ratio of the terephthalate-based material and the monobenzoate-based material is 99:1 to 1:99. Such a plasticizer composition is environmentally friendly, and can also improve properties such as tensile strength, elongation rate, hardness, and the like and migration resistance to stress so as to be suitable for use.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 30, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Seok Ho Jeong, Mi Yeon Lee, Jeong Ju Moon
  • Patent number: 11186702
    Abstract: Provided is a plasticizer composition, a resin composition and a method of preparing the same. The plasticizer composition comprises two or more kinds of cyclohexane 1,4-diester-based materials; and a citrate-based material. Particularly, a plasticizer capable of improving physical properties such as plasticizer efficiency, migration, tensile strength, elongation rate, stress migration and light resistance, which are required for sheet formulations, when used as a plasticizer for a resin composition by improving poor physical properties generated due to a structural limitation thereof, and a resin composition including the same are provided.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: November 30, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20210363324
    Abstract: Provided is a plasticizer composition, comprising: two or more kinds of terephthalates of the same carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is the same; and one or more kinds of terephthalates of a different carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is different the different carbon number type comprises a higher alkyl and a lower alkyl, the higher alkyl is selected from alkyl groups having a carbon number of 8 or less, and the lower alkyl is selected from alkyl groups having a carbon number of 5 or more.
    Type: Application
    Filed: August 23, 2019
    Publication date: November 25, 2021
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Woo Hyuk CHOI, Yun Ki CHO, Joo Ho KIM, Seok Ho JEONG
  • Publication number: 20210355069
    Abstract: The present disclosure relates to a manufacturing system and a manufacturing method which are capable of continuously manufacturing an ester-based composition, and has a technical feature of being capable of manufacturing an ether-based composition continuously, economically, and efficiently.
    Type: Application
    Filed: July 27, 2021
    Publication date: November 18, 2021
    Inventors: Hyun Kyu KIM, Sung Kyu LEE, Hyoung JUN, Chan Hyu JIN, Jeong Ju MOON, Joo Ho KIM
  • Publication number: 20210355068
    Abstract: The present disclosure relates to a method and a system for manufacturing an ester-based composition which are characterized in sequentially operating a plurality of batch reactors, and since an ester-based composition is semi-continuously manufactured, the productivity is high and the stability of a batch reactor is secured.
    Type: Application
    Filed: July 27, 2021
    Publication date: November 18, 2021
    Inventors: Hyun Kyu Kim, Sung Kyu Lee, Jeong Ju Moon, Hyoung Jun, Chan Hyu Jin
  • Publication number: 20210301104
    Abstract: Provided is a plasticizer composition including a cyclohexane-1,2-diester-based material of Formula 1 and a trimellitate-based material of Formula 2: wherein in Formula 1 and Formula 2, R1to R5 are each independently an alkyl group of 8 to 10 carbon atoms.
    Type: Application
    Filed: June 3, 2019
    Publication date: September 30, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Woo Hyuk CHOI, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG
  • Patent number: 11130852
    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: Grant
    Filed: February 9, 2018
    Date of Patent: September 28, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Seok Ho Jeong, Mi Yeon Lee, Joo Ho Kim
  • Patent number: 11111203
    Abstract: The present disclosure relates to a method and a system for manufacturing an ester-based composition which are characterized in sequentially operating a plurality of batch reactors, and since an ester-based composition is semi-continuously manufactured, the productivity is high and the stability of a batch reactor is secured.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: September 7, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Sung Kyu Lee, Jeong Ju Moon, Hyoung Jun, Chan Hyu Jin
  • Patent number: 11104636
    Abstract: The present disclosure relates to a manufacturing system and a manufacturing method which are capable of continuously manufacturing an ester-based composition, and has a technical feature of being capable of manufacturing an ether-based composition continuously, economically, and efficiently.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: August 31, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Sung Kyu Lee, Hyoung Jun, Chan Hyu Jin, Jeong Ju Moon, Joo Ho Kim
  • Publication number: 20210230098
    Abstract: Provided is a plasticizer composition including: a cyclohexane-1,2-diester-based substance of the following Chemical Formula 1; and a citrate-based substance of the following Chemical Formula 2: wherein in Chemical Formula 1 and Chemical Formula 2: R1 and R2 each independently are a C8 to C10 alkyl group; and R3 to R5 each independently are a C5 to C10 alkyl group.
    Type: Application
    Filed: May 30, 2019
    Publication date: July 29, 2021
    Inventors: Hyun Kyu KIM, Seok Ho JEONG, Woo Hyuk CHOI, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM
  • Publication number: 20210221976
    Abstract: A plasticizer composition which includes a lower non-hybrid-type cyclohexane triester, a lower hybrid-type cyclohexane triester, a higher hybrid-type cyclohexane triester, and a higher non-hybrid-type cyclohexane triester, wherein the alkyl groups of the cyclohexane triesters are a combination of C3-C6 alkyl groups and C7-C10 alkyl groups. When the plasticizer composition is applied to a resin, stress resistance and mechanical properties are maintained at an equivalent level or improved, migration properties, volatile loss characteristics, and plasticization efficiency are balanced, and light resistance and heat resistance are significantly improved.
    Type: Application
    Filed: October 29, 2019
    Publication date: July 22, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Woo Hyuk CHOI
  • Publication number: 20210214524
    Abstract: A plasticizer composition including a cyclohexane-1,2-diester-based material and diisononyl terephthalate. The plasticizer composition is superior to existing phthalate-based plasticizer products in terms of plasticization efficiency, volatile loss, and heat aging elongation retention rate, and can replace phthalate-based plasticizer products.
    Type: Application
    Filed: December 11, 2019
    Publication date: July 15, 2021
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Jeong Ju MOON
  • 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
  • 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
  • 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
  • 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
  • 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