公开(公告)号：US20240392066A1

公开(公告)日：2024-11-28

申请号：US18266999

申请日：2022-09-02

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Hye Jin Yim ,  Jaesoon Bae ,  Jonghwa Baek ,  Hyeonah Shin ,  Min Suk Jung

IPC: C08G64/16 ,  C08G64/30

Abstract: A polycarbonate resin including a unit of Chemical Formula 1, a method for preparing the same, a polycarbonate resin composition including the same, and a molded article including the polycarbonate resin composition are disclosed herein. In some embodiments, a polycarbonate resin including a unit of Chemical Formula 1: Ar1 and Ar2 are each independently an aryl group, or a heteroaryl group, R1 is hydrogen, deuterium, a halogen group, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a silyl group, an aryl group, or a heteroaryl group, r1 is 1 or 2, X1 to X4 are each independently O or S, Z1 and Z2 are each independently an alkylene group, or a cycloalkylene group, and a and b are each independently an integer from 1 to 10.

公开(公告)号：US20250163215A1

公开(公告)日：2025-05-22

申请号：US18837272

申请日：2023-10-06

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Seungmin Yoo ,  Hye Jin Yim ,  Seungmook Lee ,  Hyeonwoo Baek ,  Jaesoon Bae

IPC: C08G64/16 ,  C08G64/06 ,  C08G64/30 ,  G02B1/04

Abstract: Provided are a resin including a unit of Chemical Formula 1 and a unit of Chemical Formula 2, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition, wherein all the variables are described herein.

公开(公告)号：US20240384028A1

公开(公告)日：2024-11-21

申请号：US18035572

申请日：2022-08-12

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Hye Jin Yim ,  Jaesoon Bae ,  Jonghwa Baek ,  Hyeonah Shin ,  Min Suk Jung

IPC: C08G64/16 ,  C08G64/30

Abstract: A polycarbonate resin including a unit of Chemical Formula 1 and a unit of Chemical Formula 2, a method for preparing the same, a polycarbonate resin composition including the same, and a molded article are disclosed herein: Ar1 and Ar2 are independently an aryl group, or a heteroaryl group, R1 is hydrogen, deuterium, a halogen group, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a silyl group, an aryl group, or a heteroaryl group, R2 and R3 are different from each other, r1 is 1 or 2, r2 and r3 are each an integer from 1 to 4, L1 and L2 are independently an arylene group, X1 to X8 are independently O or S, Z1 to Z4 are independently an alkylene group, or a cycloalkylene group, and a, b, c and d are independently an integer from 1 to 10.

公开(公告)号：US20240043610A1

公开(公告)日：2024-02-08

申请号：US18037679

申请日：2022-09-02

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Min Suk Jung ,  Jaesoon Bae ,  Hyeonah Shin ,  Hye Jin Yim

IPC: C08G63/42 ,  C08G63/183

CPC classification number: C08G63/42 ,  C08G63/183 ,  G02B1/041

Abstract: A resin, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are disclosed in herein. In some embodiments, a resin includes a unit of Chemical Formula 1 and a unit of Chemical Formula 2:









wherein, in Chemical Formulae 1 and 2, Ar1, Ar2, R1, r1, X1 to X4, X9, X10, Z1, Z2, Z5, La, La″, a, b, p, t, m, n, L11, l11, X11 to X16, Z11 to Z13, Lb, Lb′, a′, b′, p′, C″, m″ and n″ are defined herein.

公开(公告)号：US20230407005A1

公开(公告)日：2023-12-21

申请号：US18037001

申请日：2022-08-12

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Min Suk Jung ,  Jaesoon Bae ,  Hyeonah Shin ,  Hye Jin Yim

IPC: C08G65/42 ,  C08L71/10 ,  G02B1/04

CPC classification number: C08G65/42 ,  C08L71/10 ,  G02B1/041

Abstract: A resin, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are disclosed herein. In some embodiments, the resin includes a unit of Chemical Formula 1 and a unit of Chemical Formula 2






wherein, in Chemical Formulae 1 and 2, Ar1, Ar2, R1 to R3, r1 to r3, L1, L2, X1 to X10, X′9, X′10, Z1 to Z6, La, La′, La″, La′″, a, b, c, d, p, q, t, t′, m, n, m′ and n′ are defined herein.

公开(公告)号：US20240425646A1

公开(公告)日：2024-12-26

申请号：US18703095

申请日：2023-07-03

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Jonghwa Baek ,  Kyeongmun Kim ,  Jaesoon Bae ,  Hye Jin Yim ,  Hyeonwoo Baek ,  Seungmin Yoo ,  Seungmook Lee

IPC: C08G64/16 ,  C08G64/06 ,  C08G64/30 ,  G02B1/04

Abstract: Provided are a polycarbonate resin including a unit of Chemical Formula 1, a method for preparing the same, a polycarbonate resin composition including the same, and a molded article including the polycarbonate resin composition, where all the variables are described herein.

公开(公告)号：US20240301133A1

公开(公告)日：2024-09-12

申请号：US18569821

申请日：2023-02-08

Applicant: LG Chem, LTD.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Min Suk Jung ,  Hyeonah Shin ,  Hye Jin Yim ,  Jaesoon Bae

IPC: C08G63/64 ,  C08G63/672 ,  G02B1/04

CPC classification number: C08G63/64 ,  C08G63/672 ,  G02B1/041

Abstract: A resin including a unit of Chemical Formula 1, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are described:






wherein all the variables are described herein.

公开(公告)号：US20240141100A1

公开(公告)日：2024-05-02

申请号：US18273398

申请日：2022-05-16

Applicant: LG Chem, Ltd.

Inventor： Min Suk Jung ,  Kyeongmun Kim ,  Jaesoon Bae ,  Jonghwa Baek ,  Hyeonah Shin ,  Kyeongmin Kim ,  Bora Shin ,  Hye Jin Yim ,  Il Hwan Choi

IPC: C08G63/66 ,  G02B1/04

CPC classification number: C08G63/66 ,  G02B1/041

Abstract: A resin including a unit represented by Chemical Formula 1, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition is described:




wherein all the variables are described herein.

公开(公告)号：US20230295372A1

公开(公告)日：2023-09-21

申请号：US18020528

申请日：2022-05-16

Applicant: LG Chem, Ltd.

Inventor： Min Suk Jung ,  Jaesoon Bae ,  Hyeonah Shin ,  Kyeongmun Kim ,  Kyeongmin Kim ,  Bora Shin

IPC: C08G63/688 ,  C08G63/672

CPC classification number: C08G63/6886 ,  C08G63/672

Abstract: The present application relates to a resin including a unit represented by Chemical Formula 1, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition.

公开(公告)号：US20250101172A1

公开(公告)日：2025-03-27

申请号：US18729793

申请日：2023-10-04

Applicant: LG Chem, Ltd.

Inventor： Il Hwan Choi ,  Kyeongmun Kim ,  Jaesoon Bae ,  Hyeonwoo Baek ,  Seungmin Yoo ,  Seungmook Lee ,  Hye Jin Yim

IPC: C08G64/06 ,  C08G64/30 ,  G02B1/04

Abstract: Provided is a polycarbonate resin having a relaxation time of 2 seconds to 15 seconds at 250° C. and a residual phenol content of 3,000 ppm or less.