Patents Assigned to LG Chem
  • Publication number: 20240191071
    Abstract: A resin composition comprising an oil-modified polyol component, and a filler, or a cured product thereof that exhibits low adhesion force to a predetermined adherend while exhibiting high thermal conductivity without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized, are described herein.
    Type: Application
    Filed: September 28, 2022
    Publication date: June 13, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Hyun Lee, Do Yeon Kim, Yang Gu Kang, Shin Hee Jun, Ha Na Lee, Ho Yeon Son
  • Publication number: 20240191019
    Abstract: A resin composition comprising a polyol component, and a filler, and a use thereof are described. Such resin composition or a cured product thereof exhibits low adhesion force to a predetermined adherend while exhibiting high thermal conductivity without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized.
    Type: Application
    Filed: September 28, 2022
    Publication date: June 13, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Hyun Lee, Yang Gu Kang
  • Publication number: 20240190856
    Abstract: The present invention relates to a compound showing an excellent agonistic activity for a melanocortin receptor and, more specifically, to the compound of chemical formula 1, a pharmaceutical composition containing same as an active ingredient, and a use thereof. In detail, the compound of the present invention exhibits an excellent agonistic activity for melanocortin-4 receptor and thus, can be advantageously used especially for preventing or treating obesity, diabetes, inflammation, and impotence.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 13, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Eun Sil CHOI, Hee Dong PARK, Seung Wan KANG, Hye Won AHN, Deok Seong PARK
  • Patent number: 12010911
    Abstract: Provided is a fluorene derivative of Chemical Formula 1: and an organic light emitting device comprising the same.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Miyeon Han, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Dong Uk Heo, Junghoon Yang, Heekyung Yun
  • Patent number: 12006390
    Abstract: The present invention relates to a latex composition for dip molding, and such latex composition includes: a carboxylic acid-modified nitrile-based copolymer latex; and a reactive compound having three or more branched chains and a reactive group at a terminal of each of the branched chains, wherein the reactive group is one or more selected from the group consisting of an amine group, a hydroxy group, an epoxy group, a glycidyl group, and an isocyanate group.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Won Sang Kwon, Tae Shik Yoon, Jung Su Han, Myung Su Jang
  • Patent number: 12006336
    Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently an aromatic hydrocarbon ring or aromatic hetero ring that is substituted or unsubstituted; R1 to R9 are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, or a substituted or unsubstituted: silyl, alkyl, alkoxy, cycloalkyl, aryl, amine, or heterocyclic group; m1 is 0 to 3, and m2 and m3 are each 0 to 5; when m1 to m3 are each 2 or more, the substituents in the parenthesis are the same or different; and Z1 to Z4 are each independently CH or N, and n1 and n2 are each 0 to 2, and when Z1 to Z4 are each CH, n1+n2 is 2 to 4, and when one or more of Z1 to Z4 are N, n1+n2 is 1 to 4, and an organic light emitting device including the same.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sujeong Geum, Dong Hoon Lee, Dongheon Kim, Ki Kon Lee
  • Patent number: 12006384
    Abstract: The present application relates to a pinning composition, a laminate comprising the same, and a method for producing the same. The pinning composition of the present application can impart directionality and location selection properties to a polymer membrane comprising a self-assembly structure of a block copolymer. The pinning composition of the present application exhibits excellent reaction selectivity, whereby it can form a vertical lamella structure with a high degree of alignment. In addition, the pinning composition of the present application may be suitable for application to low temperature processes.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Se Jin Ku, Mi Sook Lee, Na Na Kang, Eung Chang Lee, Sung Soo Yoon, No Jin Park, Je Gwon Lee, Eun Young Choi, Hyung Ju Ryu, Yoon Hyung Hur
  • Patent number: 12006449
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin; and a polymer having a melting temperature (Tm) of 60° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sanghun Han, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Seongwook Kang
  • Patent number: 12006308
    Abstract: The present disclosure relates to a polymer compound having a specific structure, including an acrylic resin having a functional group capable of mutual hydrogen bonding with an acrylic resin having imidazole, a resin composition for bonding semiconductors including a thermoplastic resin; a thermosetting resin; a curing agent; and the polymer compound having a specific structure, and an adhesive film for semiconductor produced using the same.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Youngsam Kim, Junghak Kim, Ju Hyeon Kim, Kwang Joo Lee
  • Patent number: 12006335
    Abstract: A compound represented by Formula 1 and an organic light emitting device including the same, and the compound providing lower driving voltage, improved light efficiency, and improved service life characteristics of the organic light emitting device.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyunghee Kim, Tae Yoon Park, Wanpyo Hong, Sujeong Geum, Jongsoo Song
  • Patent number: 12006386
    Abstract: The present invention relates to an alkali soluble, photo-curable and thermo-curable copolymer containing three types of (meth)acrylate repeating units classified by the type of functional groups present at the terminal, and a photosensitive resin composition, a photosensitive resin film, and a color filter using the same.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Hye Jin Park, Changho Cho
  • Patent number: 12006392
    Abstract: The present invention relates to a post-processing apparatus configured to post-process latex, the post-processing apparatus including: a receiving tank having therein a receiving part and having an inlet port through which the latex is introduced into the receiving part and a discharge port through which the latex is discharged; an ultrasonic wave generating device configured to generate ultrasonic waves to the latex accommodated in the receiving tank; a pressure reducing part configured to reduce a pressure of the receiving part of the receiving tank to discharge an unreacted monomer to the outside of the receiving tank; and a partition part provided in the receiving part of the receiving tank and comprising a plurality of partitions disposed in a direction from the inlet port toward the discharge port of the receiving tank, in which the latex accommodated in the receiving part moves along upper and lower sides of the plurality of partitions.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Se Woong Lee, Young Man Song, Hyeong Joon Kim, Hyun Min Lee
  • Patent number: 12006428
    Abstract: The present invention provides a thermoplastic resin composition which comprises: a first polymer formed by graft polymerization of a diene-based rubber polymer with an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; a second polymer comprising an aromatic vinyl-based monomer unit and a vinyl cyanide-based monomer unit; a third polymer formed by graft polymerization of an olefin-based polymer with an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; and a fourth polymer comprising an olefin-based monomer unit and having a density of 0.92 to 0.94 g/cm3 as measured in accordance with ASTM D1505, a softening point of 100 to 120° C. as measured in accordance with ASTM D1525, and a melt flow index of 5 to 7 g/10 min as measured in accordance with ASTM D1238 at 190° C. and 2.16 kg, wherein the thermoplastic resin composition comprises the fourth polymer at 1 to 10 wt %.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jun Ho Choe, Seung Cheol Ryoo, Seong Lyong Kim, Dae San Jung
  • Patent number: 12006378
    Abstract: There are provided a polyethylene capable of improving tensile strength while maintaining excellent processability and Mooney viscosity characteristics when preparing a chlorinated polyethylene compound by implementing a molecular structure having a low content of low molecular weight and a high content of high molecular weight, and a chlorinated polyethylene prepared using the same.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Cheolhwan Jeong, Si Jung Lee, Sun Mi Kim, Ue Ryung Seo, Yi Young Choi, Bog Ki Hong
  • Patent number: 12006405
    Abstract: The present invention relates to a super absorbent polymer and a method for producing same. The super absorbent polymer can achieve a high deodorizing function while exhibiting excellent absorption properties. As such, by using the super absorbent polymer, adult diapers having a thin thickness and high deodorizing function can be provided.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyu Pal Kim, Gi Cheul Kim, Sung Soo Park
  • Patent number: 12006575
    Abstract: Provided is a barrier film comprising a base layer, and an inorganic layer including Si, N, and O, and including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, wherein the film has a water vapor transmission rate of 5.0×10?4 g/m2·day or less as measured under conditions of a temperature of 38° C. and 100% relative humidity after being stored at 85° C. and 85% relative humidity conditions for 250 hours, or wherein the inorganic layer has a compactness expressed through an etching rate of 0.17 nm/s in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s. The barrier film has excellent barrier properties and optical properties and can be used for electronic products that are sensitive to moisture and the like.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sung Jin Shin, Jang Yeon Hwang, Hee Joon Jeong, Bo Ra Park, Hee Wang Yang
  • Patent number: 12010900
    Abstract: Provided is a circularly polarizing plate capable of improving a reflection color by using a retardation film with flat dispersion characteristics, and an OLED device comprising the circularly polarizing plate.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Keun Lee, Hyun Hee Son, Mun Kyu Joo, Deok Hwan Kim, Dong Choon Kim
  • Patent number: 12010912
    Abstract: A novel heterocyclic compound of Chemical Formula 1 and organic light emitting device including the same.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Min Woo Jung, Dong Hoon Lee, Boonjae Jang, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Patent number: 12006429
    Abstract: The present invention provides a thermoplastic resin composition which includes: a first copolymer including a core including a conjugated diene-based polymer and a shell including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit; and a second copolymer including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit, wherein the first copolymer has a degree of grafting of 32 to 50%, the second copolymer has a weight-average molecular weight of 85,000 to 115,000 g/mol, and the thermoplastic resin composition includes the first copolymer at 30 wt % or less and an oligomer residue at 1.1 wt % or less. Specifically, the thermoplastic resin composition can shorten an injection molding time.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Seo Hwa Kim, Byoung Il Kang, Eun Jung Choi, Taek Jun Jung, Jeong In Cho, Dong Kun Shin
  • Patent number: 12006456
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 53° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hui Je Lee, Yoonkyung Kwon, Byungsu Park, Seongwook Kang, Sanghun Han