公开(公告)号：US20240107999A1

公开(公告)日：2024-04-04

申请号：US18027430

申请日：2022-06-29

Applicant: LG CHEM, LTD.

Inventor： Ji Seok LEE ,  Soonhee KANG ,  Sanggon KIM ,  Leehyeon BAEK ,  Haesung YUN ,  Hwanhee LEE ,  Da Sol CHUNG ,  Seonjung JUNG ,  Hyungsam CHOI

IPC: A01N33/12 ,  A01P1/00 ,  C12Q1/18

CPC classification number: A01N33/12 ,  A01P1/00 ,  C12Q1/18

Abstract: Provided is an antibacterial composition comprising at least one compound including a quaternary ammonium structure having an acrylate group or a methacrylate group, and having an antibacterial strength A of 90% or more against at least one strain selected from Gram-positive bacteria and Gram-negative bacteria, and an acute oral toxicity dose LD50 of 300 mg/Kg or more, where the antibacterial strength A equals (1−Asample/AReference)×100, where Asample equals an absorbance of an inoculated medium solution incubated with the antibacterial composition, and AReference equals an absorbance of an inoculated medium solution incubated without addition of the antibacterial composition.

公开(公告)号：US20200157283A1

公开(公告)日：2020-05-21

申请号：US16630348

申请日：2018-12-07

Applicant: LG CHEM, LTD.

Inventor： Yunah YU ,  Hyungsam CHOI ,  Byungguk KIM ,  Youngsik EOM ,  Sungyeol CHOI ,  Sanggon KIM ,  Duk Hun JANG

IPC: C08G73/14 ,  C08L79/08

Abstract: 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：US20190077918A1

公开(公告)日：2019-03-14

申请号：US15741642

申请日：2017-07-07

Applicant: LG CHEM, LTD.

Inventor： Sanggon KIM ,  Hyungsam CHOI ,  Duk Hun JANG

IPC: C08G75/0245 ,  C08G75/0227 ,  C08G75/20 ,  C08J5/18

CPC classification number: C08G75/0245 ,  C08G75/0204 ,  C08G75/0209 ,  C08G75/0227 ,  C08G75/0236 ,  C08G75/20 ,  C08J5/18 ,  C08J2381/02 ,  C08J2381/06 ,  C08L81/02 ,  C08L81/06

Abstract: The present disclosure provides a sulfide-based polymer, a film comprising the same, and a method for preparing the same.