公开(公告)号：US20240315242A1

公开(公告)日：2024-09-26

申请号：US18576595

申请日：2022-06-28

Applicant: LG Chem, Ltd.

Inventor： Leehyeon Baek ,  JI Seok Lee ,  Hyungsam Choi ,  Seonjung Jung ,  Soonhee Kang ,  Haesung Yun ,  Yoon Hyung Hur

IPC: A01N37/44 ,  A01P1/00 ,  C07C219/06

CPC classification number: A01N37/44 ,  A01P1/00 ,  C07C219/06

Abstract: Provided is a novel compound, more particularly, a novel compound of Chemical Formula 1 exhibiting an excellent antibacterial property while having a polymerizable functional group to prepare an antibacterial polymer,






wherein all the variables are described herein.

公开(公告)号：US20240287238A1

公开(公告)日：2024-08-29

申请号：US18571536

申请日：2022-08-19

Applicant: LG Chem, Ltd.

Inventor： Yoon Hyung Hur ,  Soonhee Kang ,  Leehyeon Baek ,  Hyungsam Choi ,  Seonjung Jung ,  Ji Seok Lee ,  Jeong Yun Lee

IPC: C08G18/08 ,  C08G18/32 ,  C08G18/48

CPC classification number: C08G18/0814 ,  C08G18/3228 ,  C08G18/3275 ,  C08G18/4854

Abstract: An elastic antibacterial polyurethane polymer and a method for preparing the same. The polyurethane polymer has excellent antibacterial properties, mechanical properties, and heat resistance and durability. Specifically, the elastic antibacterial polyurethane of the includes a unit(s) derived from (A) an isocyanate compound; and (B) a polyol comprising a polyether glycol and a diol represented by the disclosed Chemical Formula 1, wherein the (B) polyol comprises 0.01 to 40 mol % of the diol represented by Chemical Formula 1.

公开(公告)号：US20230087087A1

公开(公告)日：2023-03-23

申请号：US17794136

申请日：2021-09-17

Applicant: LG Chem, Ltd.

Inventor： Hyungsam Choi ,  Haesung Yun ,  Kyungrok Ham ,  Beomshin Cho ,  Donghwan Lee ,  Ji Myeong Lee ,  Seonjung Jung ,  Soonhee Kang

IPC: A61L15/60 ,  A61L15/28 ,  C08B31/00 ,  C08B37/08 ,  C08F251/00

Abstract: The present disclosure provides a biodegradable super absorbent polymer including a crosslinked polymer of a monomer including a modified polysaccharide having a maleic acid group (—OCOCH═CHCOOH) and a sulfosuccinic acid group (—OCOCH(SO3H)CH2COOH), which exhibits excellent biodegradability without deterioration in physical properties of the super absorbent polymer such as centrifuge retention capacity and absorbency under pressure, and a method for producing the same.

公开(公告)号：US20250101159A1

公开(公告)日：2025-03-27

申请号：US18727872

申请日：2023-10-13

Applicant: LG Chem, Ltd.

Inventor： Ue Ryung Seo ,  Seungmo Lee ,  Soonhee Kang ,  Yoon Hyung Hur ,  Ji Seok Lee ,  Hyungsam Choi

IPC: C08F220/34 ,  A01N37/12 ,  A01P1/00

Abstract: A antibacterial resin includes a copolymer having a first unit derived from styrene and a second unit derived from a monomer represented by Chemical Formula 1. The copolymer has a weight average molecular weight of 10,000 g/mol or more and 1,000,000 g/mol or less. A molded article includes the antibacterial resin.

公开(公告)号：US20230356184A1

公开(公告)日：2023-11-09

申请号：US18029802

申请日：2021-10-07

Applicant: LG Chem, Ltd.

Inventor： Ji Seok Lee ,  Hyungsam Choi ,  Seonjung Jung ,  Haesung Yun ,  Byungguk Kim ,  Sanggon Kim ,  Soonhee Kang

IPC: B01J20/26 ,  C08F220/06 ,  C08F222/10 ,  C08F220/34 ,  C08J3/12 ,  C08J3/24

CPC classification number: B01J20/261 ,  B01J20/267 ,  C08F220/06 ,  C08F222/102 ,  C08F220/34 ,  C08J3/12 ,  C08J3/245 ,  B01J2220/68

Abstract: Provided are a superabsorbent polymer and a preparation method thereof, more particularly, a superabsorbent polymer exhibiting improved bacterial growth-inhibiting property without deterioration in its water retention capacity, and a preparation method thereof.

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：US20240254265A1

公开(公告)日：2024-08-01

申请号：US18578117

申请日：2022-06-30

Applicant: LG Chem, Ltd.

Inventor： Soonhee Kang ,  Seonjung Jung ,  Leehyeon Baek ,  Hyungsam Choi ,  Yoon Hyung Hur

IPC: C08F212/10 ,  C08L25/12

CPC classification number: C08F212/10 ,  C08L25/12 ,  C08L2207/00

Abstract: Provided are an antibacterial SAN resin, a method of preparing the same, and an antibacterial ABS resin composition including the same, particularly, an antibacterial SAN resin capable of exhibiting a persistent antibacterial property without leakage of antibacterial substances, a method of preparing the same, and an antibacterial ABS resin composition including the same. Such SAN resin comprises a repeating unit derived from a monomer represented by the following Chemical Formula 1:






wherein all the variables are described herein.

公开(公告)号：US20250129009A1

公开(公告)日：2025-04-24

申请号：US18836590

申请日：2023-09-15

Applicant: LG CHEM, LTD.

Inventor： Saebomi Park ,  Yeonjoo Kang ,  Bomee Jang ,  Su Youn Han ,  Soonhee Kang ,  Ji Seok Lee ,  Hyungsam Choi

IPC: C07C219/20 ,  A01N33/12 ,  A01P1/00 ,  G01N21/31

Abstract: The present invention relates to a compound including a quaternary ammonium structure having an acrylate group or a methacrylate group and a method for confirming the presence (or lack thereof) or target impurities. The method for confirming impurities can be applied to quality management such as quality control (QC) and is capable of efficiently being carried out in a short time period.

公开(公告)号：US20250122144A1

公开(公告)日：2025-04-17

申请号：US18728572

申请日：2023-10-13

Applicant: LG Chem, Ltd.

Inventor： Ue Ryung Seo ,  Soonhee Kang ,  Ji Seok Lee ,  Hyungsam Choi

IPC: C07C219/08 ,  A01N37/12 ,  A01P1/00

Abstract: A compound represented by Chemical Formula 1 is dissolved in at least two of ether, toluene or ethyl acetate at room temperature, and a molded article is formed including the same.

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.