公开(公告)号：US20230331883A1

公开(公告)日：2023-10-19

申请号：US17791423

申请日：2021-09-15

申请人： LG Chem, Ltd.

发明人： Byungguk Kim ,  Sanggon Kim ,  Seonjung Jung ,  Ji Seok Lee ,  Haesung Yun ,  Hyungsam Choi

IPC分类号： C08F120/36 ,  C12N1/20

CPC分类号： C08F120/36 ,  C12N1/20

摘要： A antibacterial polymer having a molecular weight above a certain level, which is highly miscible with other polymers compared to a monomolecular type antibacterial agent and can be added during the melt extrusion process. Further the antibacterial polymer has the advantage of exhibiting excellent antibacterial properties against Gram-negative bacteria and does not elute over time.

公开(公告)号：US11034808B2

公开(公告)日：2021-06-15

申请号：US15532297

申请日：2015-12-02

申请人： LG CHEM, LTD.

发明人： Hyungsam Choi ,  Byungguk Kim ,  Youngsik Eom ,  Chong Kyu Shin ,  Keun Won Song

IPC分类号： C08J5/22 ,  C08G75/20 ,  C08G75/14 ,  H01M2/16 ,  H01M10/0565 ,  C08G61/00 ,  C08L81/00 ,  C08G75/00 ,  C08L65/00 ,  H01M50/409

摘要： The present application relates to a polymer, a method for manufacturing the same, and an electrolyte membrane including the same.

公开(公告)号：US20230356184A1

公开(公告)日：2023-11-09

申请号：US18029802

申请日：2021-10-07

申请人： LG Chem, Ltd.

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

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

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

摘要： 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：US20230056935A1

公开(公告)日：2023-02-23

申请号：US17786183

申请日：2021-09-16

申请人： LG Chem, Ltd.

发明人： Hyeran Moon ,  Haesung Yun ,  Hyungsam Choi ,  Byungguk Kim ,  Seonjung Jung ,  Sanggon Kim ,  Ji Seok Lee

IPC分类号： A01N47/16 ,  A01P1/00 ,  C08F120/36 ,  C08L33/14

摘要： A compound of Chemical Formula 1, an antibacterial and deodorizing composition including the compound of Chemical Formula 1, and a method for preparing the same. By copolymerizing the compound of Chemical Formula to a polymer, excellent antibacterial and deodorizing effects can be provided to the polymer without leaking the compound.

公开(公告)号：US11407858B2

公开(公告)日：2022-08-09

申请号：US16630242

申请日：2018-12-07

申请人： LG CHEM, LTD.

发明人： Byungguk Kim ,  Youngsik Eom ,  Sanggon Kim ,  Yunah Yu ,  Hyungsam Choi

IPC分类号： C08J5/18 ,  C08G73/14

摘要： The present invention relates to a polyamide-imide resin film having a low birefringence index, including: a polyamide-imide block copolymer containing an amide repeating unit to which an isophthaloyl group and an aromatic diamine residue are bonded; an imide repeating unit; and a trivalent functional group containing an aromatic tricarbonyl group.

公开(公告)号：US20230118840A1

公开(公告)日：2023-04-20

申请号：US17792347

申请日：2021-04-13

申请人： LG Chem, Ltd.

发明人： Haesung Yun ,  Seonjung Jung ,  Ji Seok Lee ,  Hyungsam Choi ,  Byungguk Kim ,  Sanggon Kim

IPC分类号： B01J20/26 ,  B01J20/28 ,  C08F20/06 ,  C08J3/24 ,  C08K5/31

摘要： A superabsorbent polymer that may continuously and safely exhibit improved bacterial growth inhibition property and deodorization property, without deterioration of the properties of superabsorbent polymer such as centrifuge retention capacity and absorption under pressure, and the like, and a method for preparing the same are provided.

公开(公告)号：US11618804B2

公开(公告)日：2023-04-04

申请号：US16754630

申请日：2018-11-16

申请人： LG CHEM, LTD.

发明人： Jinhee Lee ,  Byungguk Kim ,  Hyungsam Choi ,  Yunah Yu

IPC分类号： C08G75/0245 ,  C08G65/40 ,  C08G75/0236 ,  C08G75/23 ,  C08J5/22 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1032 ,  H01M8/18

摘要： A polymer including a hydrophilic block and a hydrophobic block, wherein the hydrophilic block includes a unit derived from a compound represented by Chemical Formula 1, and the hydrophobic block includes a unit derived from a fluorine-containing compound, a polymer separator including the same, and a membrane electrode assembly, a fuel cell and a redox flow battery including the same.

公开(公告)号：US11518853B2

公开(公告)日：2022-12-06

申请号：US16630348

申请日：2018-12-07

申请人： LG CHEM, LTD.

发明人： Yunah Yu ,  Hyungsam Choi ,  Byungguk Kim ,  Youngsik Eom ,  Sungyeol Choi ,  Sanggon Kim ,  Duk Hun Jang

IPC分类号： C08G73/14 ,  C08L79/08

摘要： There is provided a polyamide-imide resin film including a polyamide-imide block copolymer having a specific structure and having a predetermined retardation.

公开(公告)号：US20220346379A1

公开(公告)日：2022-11-03

申请号：US17774202

申请日：2020-11-13

申请人： LG Chem, Ltd.

发明人： Haesung Yun ,  Hyungsam Choi ,  Dong Hyun Kim ,  Seonjung Jung ,  Ji Seok Lee ,  Jin Woo Lee ,  Jun Kyu Kim ,  Byungguk Kim ,  Sanggon Kim

IPC分类号： A01N47/44 ,  A01P1/00 ,  C08F220/06 ,  C08J3/24 ,  A61L15/46 ,  A61L15/60 ,  A61L15/24

摘要： Provided are both a superabsorbent polymer capable of continuously and safely exhibiting an improved bacterial growth inhibitory property and a deodorant property without deterioration in the physical properties of the superabsorbent polymer, such as water retention capacity, absorption under pressure, etc., as well as a preparation method for the superabsorbent polymer.