公开(公告)号：US12234252B2

公开(公告)日：2025-02-25

申请号：US17294522

申请日：2019-11-22

Applicant: LG Chem, Ltd.

Inventor： Jae Kwon Jang ,  Seung Hyo Kim ,  Seung Hwan Jung ,  A Rim Kim

IPC: C07F7/00 ,  C08F4/6592

Abstract: A novel transition metal compound and a catalyst composition including same are disclosed herein. In some embodiments, the transition metal compound is represented by formula 1 disclosed herein. In some embodiments, the catalyst composition comprises the transition metal compound represented by formula 1. The catalyst composition may be useful for preparing an olefin-based polymer having a high molecular weight in a low density region, and may be useful for preparing an olefin-based polymer having a low melting index (MI) in high temperature conditions and a high molecular weight.

公开(公告)号：US20250063942A1

公开(公告)日：2025-02-20

申请号：US18935165

申请日：2024-11-01

Applicant: LG DISPLAY CO., LTD. ,  LG CHEM, LTD.

Inventor： Jicheol SHIN ,  Seonkeun YOO ,  Jeongdae SEO ,  Shinhan KIM ,  JooYong YOON ,  Jun YUN ,  DongHeon KIM ,  YongHan LEE ,  SungJae LEE

IPC: H10K85/60 ,  C07C211/61 ,  C07C255/47 ,  C07D221/20 ,  C07D471/04 ,  C09K11/06 ,  H10K50/17 ,  H10K50/19 ,  H10K101/30

Abstract: Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they may have excellent efficiency or lifespan.

公开(公告)号：US20250059307A1

公开(公告)日：2025-02-20

申请号：US18726279

申请日：2023-03-07

Applicant: LG Chem, Ltd.

Inventor： Joongsoo Kim ,  Yutaek Sung ,  Ka Ram Sun ,  Jinyoung Lee ,  Hyojoon Lee ,  Yeonsoo Kim ,  So Dam Jeong ,  Min Hong Jeon

IPC: C08F210/16

Abstract: Provided is an ethylene/1-hexene copolymer satisfying the following conditions, having excellent long-term stability and processability as well as pipe resistance to internal pressure, and being useful for manufacturing high-pressure heating pipes, PE-RT pipes or large-diameter pipes, a molecular weight distribution (Mw/Mn) is 8 to 12, a broad orthogonal co-monomer distribution (BOCD) is 1 to 2, an integral value in the region where Log M is 6 or more in a gel permeation chromatography GPC curve graph having an x-axis of log M and a y-axis of dw/dlogM is 3.0% or more of the total integral value, and a tie molecule fraction is 6.0% or more.

公开(公告)号：US12226757B2

公开(公告)日：2025-02-18

申请号：US17291558

申请日：2020-09-25

Applicant: LG CHEM, LTD.

Inventor： Ji Yeon Kim ,  Kyungyeon Kang ,  Jun Seon Choi

IPC: B01J21/08 ,  B01J23/00 ,  B01J23/02 ,  B01J23/04 ,  B01J23/18 ,  B01J23/22 ,  B01J23/26 ,  B01J23/28 ,  B01J23/30 ,  B01J23/31 ,  B01J23/34 ,  B01J23/74 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J23/78 ,  B01J23/84 ,  B01J23/843 ,  B01J23/847 ,  B01J23/85 ,  B01J23/88 ,  B01J23/881 ,  B01J23/887 ,  B01J35/10 ,  B01J35/30 ,  B01J35/61 ,  B01J35/63 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08

Abstract: An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1, wherein a first peak having intensity of A appears in the 2θ range of 26.3=0.5°, and a second peak having intensity of B appears in the 2θ range of 28.3±0.5° in X ray diffraction analysis by CuKα, and an intensity ratio (A/B) of the first peak to the second peak is 1.5 or more: MoxBiaFebAcBdCeDfOy  Chemical Formula 1 wherein in Chemical Formula 1, A and B are different from each other, and each independently, are one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, C is one or more elements of Li, Na, K, Rb, and Cs, D is one or more elements of Cr, W, B, Al, Ca, and V, a to f, x, and y are respectively mole fractions of each atom or atomic group, a is 0.1 to 7, b is 0.1 to 7, provided that the sum of a and b is 0.1 to 7, c is 0.1 to 10, d is 0.01 to 5, e is 0.1 to 10, f is 0 to 10, x is 11 to 14, y is a value determined by each oxidation number of Mo, Bi, Fe, A, B, C, and D.

公开(公告)号：US20250051512A1

公开(公告)日：2025-02-13

申请号：US18682376

申请日：2023-07-07

Applicant: LG CHEM, LTD.

Inventor： Ji Heun LEE ,  Won Seok PARK ,  Tae Hun KWON ,  Jae Chan PARK

IPC: C08G63/183 ,  C08K3/36 ,  C08K5/3492 ,  C08K5/52 ,  C08K5/5313 ,  C08L67/02

Abstract: Disclosed are a polybutylene terephthalate resin composition, a method of preparing the same and a molded article including the same. The polybutylene terephthalate resin composition can provide an excellent physical property balance between mechanical strength and flame retardancy at a level equivalent to or higher than that of a polyester resin composite material containing a halogen-based flame retardant, has excellent processability due to excellent flowability, and is specifically suitable as a material for automotive electronic components.

公开(公告)号：US12221412B2

公开(公告)日：2025-02-11

申请号：US17613868

申请日：2020-09-10

Applicant: LG CHEM, LTD.

Inventor： Yeon Uk Choo ,  Sung Kyu Lee ,  Jae Hun Jeong

IPC: C07C67/54 ,  B01D19/00 ,  B01J19/00 ,  C07C67/08

Abstract: The present disclosure relates to a method for continuously producing a dicarboxylate-based composition and a production system therefor, the method improving a production yield by optimizing process variables of each reactor of a reaction unit in which a plurality of reactors are connected in series.

公开(公告)号：US12218320B2

公开(公告)日：2025-02-04

申请号：US16487295

申请日：2018-08-24

Applicant: LG CHEM, LTD.

Inventor： Ji Ho Yun ,  Sang Jin Kim

IPC: H01M10/48 ,  H01M50/20 ,  H01M50/213 ,  H01M50/50 ,  H01M50/502 ,  H01M50/559 ,  H01M50/548 ,  H01M50/562 ,  H01M50/586

Abstract: A battery module and a manufacturing method therefor are provided. The battery module includes a pair of cylindrical battery cells, a pair of PTC elements at one side of the pair of battery cells, a connection member at an opposite side of the pair of cylindrical battery cells from the one side of the pair of cylindrical battery cells, and a connector having four wires connected to a single connection terminal and configured to electrically connect an external system and the pair of cylindrical battery cells via the connection terminal is provided.

公开(公告)号：US12215251B2

公开(公告)日：2025-02-04

申请号：US17421089

申请日：2020-08-12

Applicant: LG Chem, Ltd.

Inventor： Se Kyung Lee ,  Tae Jung Kim ,  Hyun Woo Kim ,  Seong Du Lee

IPC: C09J153/02 ,  C08K5/01

Abstract: A hot melt adhesive composition is provided that includes: a diblock copolymer including a styrene-based monomer-derived unit and a conjugated diene-based monomer-derived unit; a triblock copolymer which is a coupled polymer of the diblock copolymer; and a crosslinked block copolymer including a crosslinking agent-derived crosslinked part crosslinked with two or more of the diblock copolymer and the triblock copolymer. The conjugated diene-based monomer-derived unit includes an isoprene-derived unit and an epoxidized isoprene rubber.

公开(公告)号：US12215176B2

公开(公告)日：2025-02-04

申请号：US17627568

申请日：2021-07-01

Applicant: LG CHEM, LTD.

Inventor： Jeong A Hwang ,  Dae Young Shin ,  Eun Jung Joo

IPC: C08F212/10 ,  B01D53/00 ,  C08F6/00 ,  C08F6/12

Abstract: Provided is a method of preparing a polymer including: supplying a monomer stream and a solvent stream to a reactor and performing a polymerization reaction to prepare a reaction product; supplying a reactor discharge stream to a volatilization device, separating a polymer from a lower portion of the volatilization device, splitting an upper discharge stream including an unreacted monomer, a solvent, and an inert gas into two or more streams, and divisionally supplying the split streams to a plurality of condensers, respectively; condensing and separating the unreacted monomer and the solvent in each of the condensers and supplying a gaseous stream therefrom to a condenser installed at a rear end of each condenser; and supplying a gaseous stream discharged from a condenser installed at the rearmost end to a vacuum unit.

公开(公告)号：US12215042B2

公开(公告)日：2025-02-04

申请号：US18017794

申请日：2022-07-01

Applicant: LG Chem, Ltd.

Inventor： Suk Yung Oh ,  Yong Heon Cho ,  Jung Su Han ,  Jun Seok Ko ,  Nam Young Yoon ,  Sung Hwan Kim

IPC: C02F1/04 ,  C02F1/66 ,  C02F101/16

Abstract: Provided is a wastewater purification method, the method including: supplying a first mixed stream, in which an acid component and wastewater including water, a nitrile-based monomer, and ammonia are mixed, to a first column; recovering the nitrile-based monomer from an upper discharge stream from the first column; supplying a second mixed stream, in which a lower discharge stream from the first column and a base component are mixed, to a second column; and recovering the ammonia from an upper discharge stream from the second column and separating purified wastewater.