Patents by Inventor Se Yeol Park
Se Yeol Park 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: 20230390735Abstract: Provided is a method for preparing a superabsorbent polymer. More particularly, provided is a method for preparing a superabsorbent polymer having a reduced amount of coarse particles with a particle size of more than 850 ?m and an improved water content, and exhibiting excellent absorption performances without deviation.Type: ApplicationFiled: June 20, 2022Publication date: December 7, 2023Applicant: LG CHEM, LTD.Inventors: Se Yeol PARK, Gicheul KIM, Yoon Jae MIN
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Publication number: 20230241582Abstract: The present disclosure relates to a super absorbent polymer composition. More specifically, the present disclosure relates to a super absorbent polymer composition prepared such that agglomeration between polymer particles is suppressed by including an additive having a specific structure, and thus an additional pulverizing process is not required after drying.Type: ApplicationFiled: November 10, 2020Publication date: August 3, 2023Applicant: LG Chem, Ltd.Inventors: Se Yeol Park, Gicheul Kim, Hyeon Choi, Mihee Kim, Kiyoul Yoon, Ki Hyun Kim
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Publication number: 20230108529Abstract: The present disclosure relates to a preparation method for a super absorbent polymer film. Specifically, it relates to a preparation method for a new type of super absorbent polymer film, which is thin and exhibits excellent absorption performance while having excellent flexibility and mechanical properties. In addition, the super absorbent polymer film is free from scattering or leaking, and does not require an auxiliary substance such as pulp, so that products can be made thinner and the manufacturing process and costs may be reduced.Type: ApplicationFiled: July 26, 2021Publication date: April 6, 2023Applicant: LG Chem, Ltd.Inventors: Kiyoul Yoon, Seongkyun Kang, Yu Jin Kim, Gicheul Kim, Hyeon Choi, Se Yeol Park
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Publication number: 20230089009Abstract: The present disclosure relates to a polymer film, a preparation method of the same, and a polymer film laminate. Specifically, it relates to a new type of polymer film, which is thin and exhibits excellent absorption performance while having excellent flexibility and mechanical properties. In addition, the polymer film is free from scattering or leaking, and does not require an auxiliary substance such as pulp, so that products can be made thinner and the manufacturing process and costs may be reduced. In addition, the present disclosure also relates to a preparation method of the above-described polymer film, and a polymer film laminate including the new type of polymer film.Type: ApplicationFiled: September 7, 2021Publication date: March 23, 2023Applicant: LG Chem, Ltd.Inventors: Kiyoul Yoon, Seongkyun Kang, Yu Jin Kim, Gicheul Kim, Hyeon Choi, Se Yeol Park
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Publication number: 20230071674Abstract: The present disclosure relates to a preparation method for a super absorbent polymer film. Specifically, it relates to a preparation method for a new type of super absorbent polymer film, which is thin and exhibits excellent absorption performance. In addition, the super absorbent polymer film of the present disclosure has excellent flexibility and excellent mechanical properties, is free from scattering or leaking, and does not require an auxiliary substance such as pulp, so that products can be made thinner and the manufacturing process and costs may be reduced.Type: ApplicationFiled: March 23, 2021Publication date: March 9, 2023Applicant: LG Chem, Ltd.Inventors: Kiyoul Yoon, Seongkyun Kang, Yu Jin Kim, Gicheul Kim, Hyosook Joo, Hyeon Choi, Se Yeol Park
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Publication number: 20230067846Abstract: The present disclosure relates to a super absorbent polymer film and a preparation method of the same. Specifically, it relates to a new type of super absorbent polymer film, which is thin and exhibits excellent absorption performance and high tensile strength. In addition, the super absorbent polymer film of the present disclosure is free from scattering or leaking, and does not require an auxiliary substance such as pulp, so that products can be made thinner and the manufacturing process and costs may be reduced.Type: ApplicationFiled: March 23, 2021Publication date: March 2, 2023Applicant: LG Chem, Ltd.Inventors: Kiyoul Yoon, Seongkyun Kang, Yu Jin Kim, Gicheul Kim, Hyeon Choi, Se Yeol Park
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Publication number: 20220315715Abstract: This invention relates to a method for preparing a superabsorbent polymer, more specifically to a method for preparing a superabsorbent polymer that uses stearic acid or salts thereof in the process of reassembling fine powders, thereby improving processability in the preparation process of the superabsorbent polymer, and realizing excellent absorption properties.Type: ApplicationFiled: October 8, 2020Publication date: October 6, 2022Applicant: LG Chem, Ltd.Inventors: Se Yeol Park, Gicheul Kim, Yun Kyung Do, Sangwon Han
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Publication number: 20220143578Abstract: The present disclosure relates to a super absorbent polymer composition. More specifically, the present disclosure relates to a super absorbent polymer composition prepared such that agglomeration between polymer particles is suppressed by including an additive having a specific structure, and thus an additional pulverizing process is not required after drying.Type: ApplicationFiled: November 10, 2020Publication date: May 12, 2022Applicant: LG Chem, Ltd.Inventors: Se Yeol Park, Gicheul Kim, Hyeon Choi, Mihee Kim, Kiyoul Yoon, Ki Hyun Kim
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Patent number: 11198768Abstract: The present invention relates to a method for preparing superabsorbent polymer. According to the preparation method of the present invention, the surface penetration depth of a surface crosslinking agent can be appropriately controlled, and superabsorbent polymer with excellent properties can be prepared though homogeneous surface crosslinking. Thus, superabsorbent polymer with improved absorption property can be provided without deterioration of absorbency under load.Type: GrantFiled: March 17, 2016Date of Patent: December 14, 2021Inventors: Ju Eun Kim, Gi Cheul Kim, Se Yeol Park, Ki Hyun Kim
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Patent number: 10144809Abstract: The present invention relates to a method for preparing super absorbent polymer, and the method for preparing super absorbent polymer according to the present invention may reduce the content of non-reacted monomers in the super absorbent polymer, by using three kinds of polymerization initiators.Type: GrantFiled: December 10, 2015Date of Patent: December 4, 2018Assignee: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Kum Hyoung Lee, Se Yeol Park
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Patent number: 10066061Abstract: The present invention relates to a method for preparing super absorbent polymer, and the method for preparing super absorbent polymer according to the present invention may reduce the content of non-reacted monomers in the super absorbent polymer, by using three kinds of polymerization initiators.Type: GrantFiled: December 10, 2015Date of Patent: September 4, 2018Assignee: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Kum Hyoung Lee, Se Yeol Park
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Publication number: 20180244867Abstract: The present invention relates to a method for preparing superabsorbent polymer. According to the preparation method of the present invention, the surface penetration depth of a surface crosslinking agent can be appropriately controlled, and superabsorbent polymer with excellent properties can be prepared though homogeneous surface crosslinking. Thus, superabsorbent polymer with improved absorption property can be provided without deterioration of absorbency under load.Type: ApplicationFiled: March 17, 2016Publication date: August 30, 2018Applicant: LG Chem, Ltd.Inventors: Ju Eun Kim, Gi Cheul Kim, Se Yeol Park, Ki Hyun Kim
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Patent number: 10052611Abstract: Provided is a method of preparing a superabsorbent polymer. In the method of preparing the superabsorbent polymer according to the present disclosure, a polymer resulting from polymerization of ethylene-based unsaturated monomers is subjected to a reassembling process by mixing with a compound of a particular Chemical Formula and water. According to the preparation method of the present disclosure, provided is a method of preparing a superabsorbent polymer having improved water holding capacity and a reduced content of residual monomers, thereby improving quality of final polymer products.Type: GrantFiled: December 10, 2015Date of Patent: August 21, 2018Assignee: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Sang Gi Lee, Kum Hyoung Lee, Se Yeol Park
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Publication number: 20170297002Abstract: Provided is a method of preparing a superabsorbent polymer. In the method of preparing the superabsorbent polymer according to the present disclosure, a polymer resulting from polymerization of ethylene-based unsaturated monomers is subjected to a reassembling process by mixing with a compound of a particular Chemical Formula and water. According to the preparation method of the present disclosure, provided is a method of preparing a superabsorbent polymer having improved water holding capacity and a reduced content of residual monomers, thereby improving quality of final polymer products.Type: ApplicationFiled: December 10, 2015Publication date: October 19, 2017Applicant: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Sang Gi Lee, Kum Hyoung Lee, Se Yeol Park
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Publication number: 20170198105Abstract: The present invention relates to a method for preparing super absorbent polymer, and the method for preparing super absorbent polymer according to the present invention may reduce the content of non-reacted monomers in the super absorbent polymer, by using three kinds of polymerization initiators.Type: ApplicationFiled: December 10, 2015Publication date: July 13, 2017Applicant: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Kum Hyoung Lee, Se Yeol Park