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公开(公告)号:US20240107999A1
公开(公告)日:2024-04-04
申请号:US18027430
申请日:2022-06-29
申请人: LG CHEM, LTD.
发明人: Ji Seok LEE , Soonhee KANG , Sanggon KIM , Leehyeon BAEK , Haesung YUN , Hwanhee LEE , Da Sol CHUNG , Seonjung JUNG , Hyungsam CHOI
摘要: 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.
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2.
公开(公告)号:US20200253358A1
公开(公告)日:2020-08-13
申请号:US16758497
申请日:2018-12-11
发明人: Minsung PARK , Haesung YUN , Juhan KIM , Wonjae LEE , Kwang Seoung JEON , Seul Gi KANG , Seung Min OH , Ji Ung PARK
摘要: Provided are a method for manufacturing a mask pack for heavy metal adsorption comprising immersing a cellulose nonwoven fabric in an alkali solution by a cold pad batch method and then aging the cellulose nonwoven fabric at room temperature for 10 minutes to 50 minutes, and immersing the cellulose nonwoven fabric in a carboxymethylation solution by the cold pad batch method and then aging the cellulose nonwoven fabric at room temperature to 60° C. for 10 minutes to 3 hours, and a mask pack for heavy metal adsorption manufactured by the method.
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