Patents by Inventor Soonhee KANG
Soonhee KANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240315242Abstract: 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.Type: ApplicationFiled: June 28, 2022Publication date: September 26, 2024Applicant: LG Chem, Ltd.Inventors: Leehyeon Baek, JI Seok Lee, Hyungsam Choi, Seonjung Jung, Soonhee Kang, Haesung Yun, Yoon Hyung Hur
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Publication number: 20240287238Abstract: 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.Type: ApplicationFiled: August 19, 2022Publication date: August 29, 2024Applicant: LG Chem, Ltd.Inventors: Yoon Hyung Hur, Soonhee Kang, Leehyeon Baek, Hyungsam Choi, Seonjung Jung, Ji Seok Lee, Jeong Yun Lee
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Publication number: 20240286114Abstract: 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.Type: ApplicationFiled: June 30, 2022Publication date: August 29, 2024Applicant: LG Chem, Ltd.Inventors: Kyungrok Ham, Beomshin Cho, Soonhee Kang, Hyungsam Choi, Haesung Yun
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Publication number: 20240261761Abstract: 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.Type: ApplicationFiled: August 19, 2022Publication date: August 8, 2024Applicant: LG Chem, Ltd.Inventors: Soonhee Kang, Beomshin Cho, Kyungrok Ham, Hyungsam Choi, Seonjung Jung
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Publication number: 20240254265Abstract: 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.Type: ApplicationFiled: June 30, 2022Publication date: August 1, 2024Applicant: LG Chem, Ltd.Inventors: Soonhee Kang, Seonjung Jung, Leehyeon Baek, Hyungsam Choi, Yoon Hyung Hur
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Publication number: 20240247089Abstract: Provided is an antibacterial copolymer, more particularly, an antibacterial copolymer continuously maintaining excellent antibacterial property, wherein the antibacterial copolymer comprises a first repeating unit represented by the following Formula 1; and a second repeating unit derived from a monomer having one or more ethylenically unsaturated groups, wherein all the variables are described herein.Type: ApplicationFiled: June 27, 2022Publication date: July 25, 2024Applicant: LG Chem, Ltd.Inventors: Ji Seok Lee, Leehyeon Baek, Hyungsam Choi, Seonjung Jung, Soonhee Kang, Haesung Yun, Yoon Hyung Hur
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Publication number: 20240107999Abstract: 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.Type: ApplicationFiled: June 29, 2022Publication date: April 4, 2024Inventors: Ji Seok LEE, Soonhee KANG, Sanggon KIM, Leehyeon BAEK, Haesung YUN, Hwanhee LEE, Da Sol CHUNG, Seonjung JUNG, Hyungsam CHOI
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Publication number: 20240108001Abstract: An antibacterial composition according to an exemplary embodiment of the present technology comprises one or more compounds comprising a quaternary ammonium structure having an acrylate group or a methacrylate group, in which a critical micelle concentration of the compound comprising the quaternary ammonium structure is 0.1 wt % to 3 wt %.Type: ApplicationFiled: July 13, 2022Publication date: April 4, 2024Applicant: LG Chem, Ltd.Inventors: Yeonjoo Kang, Ji Seok Lee, Soonhee Kang, Sung Joon Oh
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Publication number: 20230381077Abstract: An antibacterial deodorant composition including: a first compound of Chemical Formula 1; and a second compound different from the first compound, in which the first compound is cross-linked to at least a portion of the second compound, a content of guaiacol is 300 ng or less, a content of 3-methylbutanal is 250 ng or less, and a content of diacetyl is 30 ng or less when the antibacterial deodorant composition is evaluated for deodorization by Method A, and a preparation method thereof.Type: ApplicationFiled: June 29, 2022Publication date: November 30, 2023Applicant: LG Chem, Ltd.Inventors: Yoon Hyung Hur, Soonhee Kang, Leehyeon Baek, Ue Ryung Seo, Ji Seok Lee, Seonjung Jung, Hyungsam Choi
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Patent number: 11814544Abstract: The present disclosure relates to a substrate in which an antimicrobial coating agent including urushiol and an inorganic antimicrobial agent is fixed and coated onto the surface, and a method for antimicrobial coating on the surface of the substrate.Type: GrantFiled: September 27, 2019Date of Patent: November 14, 2023Assignee: LG CHEM, LTD.Inventors: Minsung Park, Soonhee Kang, Kwang Seoung Jeon
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Publication number: 20230356184Abstract: 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.Type: ApplicationFiled: October 7, 2021Publication date: November 9, 2023Applicant: LG Chem, Ltd.Inventors: Ji Seok Lee, Hyungsam Choi, Seonjung Jung, Haesung Yun, Byungguk Kim, Sanggon Kim, Soonhee Kang
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Publication number: 20230264172Abstract: The present disclosure relates to a super absorbent polymer, and a preparation method of the same. More specifically, there are provided a super absorbent polymer capable of exhibiting improved bacterial growth-inhibitory property without lowering absorption performance, and a preparation method of the same.Type: ApplicationFiled: March 17, 2022Publication date: August 24, 2023Applicant: LG Chem, Ltd.Inventors: Soonhee Kang, Seonjung Jung, Hyungsam Choi, Leehyeon Baek, Ji Seok Lee, Haesung Yun
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Publication number: 20230120607Abstract: The present disclosure relates to an antibacterial polymer composition, and more particularly, to an antibacterial polymer composition that enables the preparation of a coating layer exhibiting excellent antibacterial properties.Type: ApplicationFiled: October 7, 2021Publication date: April 20, 2023Applicant: LG Chem, Ltd.Inventors: Ji Seok Lee, Hyungsam Choi, Seonjung Jung, Soonhee Kang, Haesung Yun
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Publication number: 20230087087Abstract: 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.Type: ApplicationFiled: September 17, 2021Publication date: March 23, 2023Applicant: LG Chem, Ltd.Inventors: Hyungsam Choi, Haesung Yun, Kyungrok Ham, Beomshin Cho, Donghwan Lee, Ji Myeong Lee, Seonjung Jung, Soonhee Kang
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Publication number: 20210301152Abstract: The present disclosure relates to a substrate in which an antimicrobial coating agent including urushiol and an inorganic antimicrobial agent is fixed and coated onto the surface, and a method for antimicrobial coating on the surface of the substrate.Type: ApplicationFiled: September 27, 2019Publication date: September 30, 2021Applicant: LG CHEM, LTD.Inventors: Minsung PARK, Soonhee KANG, Kwang Seoung JEON
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Publication number: 20210140100Abstract: The present disclosure provides a bio-cellulose sheet including a nonwoven fabric and bio-cellulose and having a structure in which the nonwoven fabric fiber and the bio-cellulose fiber are entangled, a preparation method thereof, and a beauty pack including the sheet.Type: ApplicationFiled: September 27, 2019Publication date: May 13, 2021Applicant: LG CHEM, LTD.Inventors: Soonhee KANG, Minsung PARK