公开(公告)号：US20240286114A1

公开(公告)日：2024-08-29

申请号：US18574462

申请日：2022-06-30

Applicant: LG Chem, Ltd.

Inventor： Kyungrok Ham ,  Beomshin Cho ,  Soonhee Kang ,  Hyungsam Choi ,  Haesung Yun

IPC: B01J20/26 ,  C08K5/1515 ,  C08K5/1539 ,  C08K5/1545 ,  C08L3/04 ,  C08L5/08

CPC classification number: B01J20/262 ,  B01J20/267 ,  C08K5/1515 ,  C08K5/1539 ,  C08K5/1545 ,  C08L3/04 ,  C08L5/08 ,  B01J2220/68 ,  C08L2201/06

Abstract: Provided are a superabsorbent polymer exhibiting excellent biodegradability without deterioration in physical properties of the superabsorbent polymer, such as water retention capacity, absorbency under pressure, etc., and a preparation method thereof. The biodegradable superabsorbent polymer comprises a base polymer including a crosslinked polymer of a non-modified or acidic group-containing modified polysaccharides and a first crosslinking agent, wherein at least part of the base polymer is crosslinked by a second crosslinking agent, the first crosslinking agent includes a cyclic carboxylic acid anhydride, and the second crosslinking agent includes an epoxy-based compound.

公开(公告)号：US11557737B2

公开(公告)日：2023-01-17

申请号：US16772920

申请日：2019-08-23

Applicant: LG Chem, Ltd.

Inventor： Young Kwang Kim ,  Jaesoon Bae ,  Jaechol Lee ,  Yongwook Kim ,  Jiyeon Shin ,  Beomshin Cho

IPC: H01L51/00 ,  C07F7/08 ,  C09D5/22 ,  C09D5/24 ,  C09K11/06 ,  H01L51/50

Abstract: The present specification relates to a compound of Formula 1, a coating composition including the compound, an organic light emitting device formed by using the coating composition, and a manufacturing method thereof.

公开(公告)号：US20210234105A1

公开(公告)日：2021-07-29

申请号：US17057965

申请日：2019-09-30

Applicant: LG Chem, Ltd.

Inventor： Yongwook Kim ,  Young Kwang Kim ,  Beomshin Cho ,  Jaesoon Bae ,  Jaechol Lee ,  Yebyeol Kim

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  C07C15/14

Abstract: There are provided a novel compound represented by the following Chemical Formula 1 and an organic light emitting device using the same, wherein m, n, R, R4, R5, L1 and Ar1 to Ar3 are defined therein.

公开(公告)号：US20240306503A1

公开(公告)日：2024-09-12

申请号：US18269218

申请日：2022-01-04

Applicant: LG Chem, Ltd.

Inventor： Young Kwang Kim ,  Jaechol Lee ,  Yongwook Kim ,  Soyoung Yu ,  Shin Sung Kim ,  Byeong Yun Lim ,  Beomshin Cho ,  Hyunju Choi

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/12

Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same;




wherein A1 to A5, Ar1 Ar2 and R are described herein.

公开(公告)号：US20240261761A1

公开(公告)日：2024-08-08

申请号：US18293084

申请日：2022-08-19

Applicant: LG Chem, Ltd.

Inventor： Soonhee Kang ,  Beomshin Cho ,  Kyungrok Ham ,  Hyungsam Choi ,  Seonjung Jung

IPC: B01J20/26 ,  B01J20/28 ,  B01J20/30 ,  C08F220/06

CPC classification number: B01J20/261 ,  B01J20/28047 ,  B01J20/3021 ,  C08F220/06 ,  B01J2220/68

Abstract: Provided are a superabsorbent polymer and a method of preparing the same, more particularly, a superabsorbent polymer exhibiting an improved bacterial growth-inhibitory property without deterioration in absorption performances of the superabsorbent polymer, and a method of preparing the same. Such superabsorbent polymer comprises a crosslinked polymer of an acrylic acid-based monomer; a polymerizable antibacterial monomer represented by the following Formula 1; and a crosslinking agent:






wherein all the variables are described herein.

公开(公告)号：US11751470B2

公开(公告)日：2023-09-05

申请号：US17057965

申请日：2019-09-30

Applicant: LG Chem, Ltd.

Inventor： Yongwook Kim ,  Young Kwang Kim ,  Beomshin Cho ,  Jaesoon Bae ,  Jaechol Lee ,  Yebyeol Kim

IPC: C07C15/14 ,  H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K101/10

CPC classification number: H10K85/40 ,  C07C15/14 ,  C07F7/0812 ,  C09K11/06 ,  H10K85/626 ,  C07C2603/24 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K85/622 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6574 ,  H10K2101/10

Abstract: There are provided a novel compound represented by the following Chemical Formula 1 and an organic light emitting device using the same,






wherein m, n, R, R4, R5, L1 and Ar1 to Ar3 are defined therein.

公开(公告)号：US20220085295A1

公开(公告)日：2022-03-17

申请号：US17421520

申请日：2020-02-24

Applicant: LG Chem, Ltd.

Inventor： Yongwook Kim ,  Jaesoon Bae ,  Jaechol Lee ,  Young Kwang Kim ,  Juhwan Kim ,  Dongyoon Khim ,  Beomshin Cho

IPC: H01L51/00 ,  C07D307/77 ,  C09K11/06 ,  C07D307/91 ,  C07C211/61 ,  C07D493/04 ,  C07F7/08

Abstract: The present disclosure provides a novel heterocyclic compound represented by the following Chemical Formula 1 and an organic light emitting device comprising the same: wherein R1, R2, L, X, Z1, Z2, L1, L2, and Ar1 to Ar4 are described herein.

公开(公告)号：US20250145805A1

公开(公告)日：2025-05-08

申请号：US18832707

申请日：2023-06-09

Applicant: LG Chem, Ltd.

Inventor： Hyunwoo Park ,  Hong Shik Shim ,  Kwang Seoung Jeon ,  Haesung Yun ,  Beomshin Cho ,  Sunah Kang ,  Gi Hong Kim ,  Hwaheon Je

IPC: C08L3/02 ,  C08L67/02

Abstract: Provided are a biodegradable composition and a biodegradable film, each comprising polybutylene adipate terephthalate_(PBAT), a thermoplastic starch, and polybutylene adipate terephthalate (PBAT) grafted with starch maleate.

公开(公告)号：US20230180596A1

公开(公告)日：2023-06-08

申请号：US17923768

申请日：2021-06-22

Applicant: LG Chem, Ltd.

Inventor： Byeong Yun Lim ,  Jaechol Lee ,  Yongwook Kim ,  Soyoung Yu ,  Shin Sung Kim ,  Young Kwang Kim ,  Beomshin Cho

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  C07C15/28

CPC classification number: H10K85/626 ,  C09K11/02 ,  C09K11/06 ,  C07C15/28 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C07C2603/24 ,  C07C2602/10 ,  C07B2200/05 ,  H10K50/11

Abstract: The present disclosure provides a novel compound of the following Chemical Formula 1 and an organic light emitting device including the same,






wherein all the variables are descried herein.

公开(公告)号：US20230115435A1

公开(公告)日：2023-04-13

申请号：US17801887

申请日：2021-07-19

Applicant: LG Chem, Ltd.

Inventor： Shin Sung Kim ,  Jaechol Lee ,  Yongwook Kim ,  Young Kwang Kim ,  Byeong Yun Lim ,  Beomshin Cho ,  Hyunju Choi

IPC: H01L51/00 ,  C07D491/22 ,  C09K11/06

Abstract: The present disclosure provides a novel compound of Chemical Formula 1 and an organic light emitting device including the same, X1, X2, A4, A5, Ar1, Ar2, and R1 to R4 are described herein.