Patents by Inventor Kyu-Pal Kim
Kyu-Pal Kim 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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Patent number: 11731105Abstract: The present invention relates to a super absorbent polymer. The super absorbent polymer contains polymer particles formed of large pores in a certain amount or more, and thus can exhibit large surface area and excellent initial absorption capacity. Therefore, when the super absorbent polymer is used, it can provide a sanitary material such as a diaper or a sanitary napkin which can quickly absorb body fluids and impart a dry and soft touch feeling.Type: GrantFiled: August 14, 2018Date of Patent: August 22, 2023Inventors: Ki Hyun Kim, Kyu Pal Kim, Gi Cheul Kim, Seul Ah Lee, Sang Gi Lee
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Patent number: 11613591Abstract: A method for preparing a super absorbent polymer and a superabsorbent polymer prepared from the same are disclosed herein. In some embodiments, a method includes mixing super absorbent polymer particles, water and an additive form a hydrated super absorbent polymer, wherein the super absorbent polymer particles comprise a base polymer powder including a cross-linked polymer polymerized from a water-soluble ethylenically unsaturated monomer having an acidic group of which at least a part is neutralized, and a surface cross-linked layer formed on the base polymer powder, wherein the surface cross-linked layer is formed by further cross-linking the cross-linked polymer, and wherein the additive including a polyoxyalkylene aliphatic hydrocarbon ether carboxylic acid. The method can appropriately control the water content of the super absorbent polymer by water-addition or the like to suppress crushing or the like during transfer, and also can suppress deterioration of physical properties.Type: GrantFiled: August 11, 2020Date of Patent: March 28, 2023Inventors: Kyu Pal Kim, Ui Seok Chung, Gyunhyeok Ahn, Gicheul Kim
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Patent number: 11504696Abstract: The present invention relates to a super absorbent polymer. The super absorbent polymer exhibits excellent initial absorption capacity, and thus can provide a sanitary material such as a diaper or a sanitary napkin which can quickly absorb body fluids and impart a dry and soft touch feeling.Type: GrantFiled: August 14, 2018Date of Patent: November 22, 2022Inventors: Kyu Pal Kim, Gi Cheul Kim, Ki Hyun Kim, Seul Ah Lee, Sang Gi Lee
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Patent number: 11498050Abstract: A method of preparing a superabsorbent polymer, which enables the preparation of the superabsorbent polymer exhibiting an improved absorption rate while maintaining excellent absorption performances is provided.Type: GrantFiled: November 15, 2019Date of Patent: November 15, 2022Inventors: Kyu Pal Kim, Jinuk Choi, Sang Hwa Lee, Gicheul Kim, Ki Hyun Kim, Seul Ah Lee
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Publication number: 20220111351Abstract: A method for preparing superabsorbent polymer is disclosed herein. In some embodiments, a method includes polymerizing a monomer composition to form a hydrogel polymer, wherein the monomer composition comprises a water soluble ethylenically unsaturated monomer and a polymerization initiator, drying and grinding the hydrogel polymer to prepare a base resin powder, surface cross-linking the base resin powder using a surface cross-linking agent to prepare surface cross-linked base resin powder, and hydrating the surface cross-linked base resin powder by pulse spraying water to prepare a superabsorbent polymer, wherein a scattering index of droplets generated during the pulse spraying is 5 to 10, and wherein the scattering index is calculated in accordance with the following Mathematical Formula 1.Type: ApplicationFiled: November 5, 2020Publication date: April 14, 2022Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Kyunghoon Min, Gicheul Kim, Yoon Jae Min, Ki Hyun Kim
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Publication number: 20210340301Abstract: A method for preparing a super absorbent polymer and a superabsorbent polymer prepared from the same are disclosed herein. In some embodiments, a method includes mixing super absorbent polymer particles, water and an additive form a hydrated super absorbent polymer, wherein the super absorbent polymer particles comprise a base polymer powder including a cross-linked polymer polymerized from a water-soluble ethylenically unsaturated monomer having an acidic group of which at least a part is neutralized, and a surface cross-linked layer formed on the base polymer powder, wherein the surface cross-linked layer is formed by further cross-linking the cross-linked polymer, and wherein the additive including a polyoxyalkylene aliphatic hydrocarbon ether carboxylic acid. The method can appropriately control the water content of the super absorbent polymer by water-addition or the like to suppress crushing or the like during transfer, and also can suppress deterioration of physical properties.Type: ApplicationFiled: August 11, 2020Publication date: November 4, 2021Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Ui Seok Chung, Gyunhyeok Ahn, Gicheul Kim
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Publication number: 20210317237Abstract: The present disclosure relates to a method for preparing a super absorbent polymer that can appropriately control the water content of the super absorbent polymer by hydration or the like to suppress crushing or the like during transfer, and also can suppress deterioration of physical properties, such as production of giant particles and nonuniformity of water content during hydration step.Type: ApplicationFiled: August 11, 2020Publication date: October 14, 2021Applicant: LG Chem, Ltd.Inventors: Ui Seok Chung, Kyu Pal Kim, Gyunhyeok Ahn, Gicheul Kim
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Publication number: 20210031169Abstract: The present invention relates to a super absorbent polymer. The super absorbent polymer exhibits excellent initial absorption capacity, and thus can provide a sanitary material such as a diaper or a sanitary napkin which can quickly absorb body fluids and impart a dry and soft touch feeling.Type: ApplicationFiled: August 14, 2018Publication date: February 4, 2021Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Ki Hyun Kim, Seul Ah Lee, Sang Gi Lee
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Patent number: 10889673Abstract: The present invention relates to a super absorbent polymer and a preparation method thereof, the super absorbent polymer including: surface cross-linked polymer particles prepared by surface cross-linking particles of a base resin, the base resin polymerized from a monomer composition including water-soluble ethylene-based unsaturated monomers having at least partially neutralized acidic groups; and a water-soluble component, wherein the water-soluble component has a weight average molecular weight of 150,000 to 300,000 g/mol. The super absorbent polymer may have high centrifuge retention capacity and excellent permeability at the same time, while having low content of the water-soluble component.Type: GrantFiled: October 12, 2018Date of Patent: January 12, 2021Inventors: Sang Gi Lee, Chul Hee Ryu, Kyu Pal Kim, Bhom Ri Kim
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Publication number: 20200368722Abstract: A method of preparing a superabsorbent polymer, which enables the preparation of the superabsorbent polymer exhibiting an improved absorption rate while maintaining excellent absorption performances is provided.Type: ApplicationFiled: November 15, 2019Publication date: November 26, 2020Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Jinuk Choi, Sang Hwa Lee, Gicheul Kim, Ki Hyun Kim, Seul Ah Lee
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Publication number: 20200188876Abstract: The present invention relates to a super absorbent polymer. The super absorbent polymer contains polymer particles formed of large pores in a certain amount or more, and thus can exhibit large surface area and excellent initial absorption capacity. Therefore, when the super absorbent polymer is used, it can provide a sanitary material such as a diaper or a sanitary napkin which can quickly absorb body fluids and impart a dry and soft touch feeling.Type: ApplicationFiled: August 14, 2018Publication date: June 18, 2020Applicant: LG Chem, Ltd.Inventors: Ki Hyun Kim, Kyu Pal Kim, Gi Cheul Kim, Seul Ah Lee, Sang Gi Lee
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Patent number: 10683375Abstract: The present invention relates to a superabsorbent polymer having excellent short time free absorbency. The superabsorbent polymer may exhibit excellent centrifuge retention capacity and absorbency under load, as well as excellent short time free absorbency. Thus, it can fundamentally solve the problems of the existing superabsorbent polymer and technical requirement of the art, and can provide various hygienic goods exhibiting more excellent properties.Type: GrantFiled: January 5, 2017Date of Patent: June 16, 2020Assignee: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Patent number: 10669382Abstract: The present invention relates to a superabsorbent polymer exhibiting excellent heat stability.Type: GrantFiled: January 5, 2017Date of Patent: June 2, 2020Assignee: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Patent number: 10669381Abstract: The present invention relates to a method for a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention makes it possible to provide a super absorbent polymer in which characteristics such as a centrifuge retention capacity and an absorption rate are improved in a balanced manner.Type: GrantFiled: March 18, 2016Date of Patent: June 2, 2020Assignee: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Kyu Pal Kim
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Publication number: 20200123329Abstract: The present invention relates to a super absorbent polymer and a method for producing same. The super absorbent polymer can achieve a high deodorizing function while exhibiting excellent absorption properties. As such, by using the super absorbent polymer, adult diapers having a thin thickness and high deodorizing function can be provided.Type: ApplicationFiled: June 23, 2016Publication date: April 23, 2020Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Sung Soo Park
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Patent number: 10626225Abstract: The present invention relates to a method for a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention makes it possible to provide a super absorbent polymer in which characteristics such as a centrifuge retention capacity and an absorption rate are improved in a balanced manner.Type: GrantFiled: March 18, 2016Date of Patent: April 21, 2020Assignee: LG Chem, Ltd.Inventors: Seung Mo Lee, Gi Cheul Kim, Kyu Pal Kim
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Publication number: 20190100627Abstract: The present invention relates to a superabsorbent polymer exhibiting excellent heat stability.Type: ApplicationFiled: January 5, 2017Publication date: April 4, 2019Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Publication number: 20190071523Abstract: The present invention relates to a superabsorbent polymer having excellent short time free absorbency. The superabsorbent polymer may exhibit excellent centrifuge retention capacity and absorbency under load, as well as excellent short time free absorbency. Thus, it can fundamentally solve the problems of the existing superabsorbent polymer and technical requirement of the art, and can provide various hygienic goods exhibiting more excellent properties.Type: ApplicationFiled: January 5, 2017Publication date: March 7, 2019Applicant: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Publication number: 20190040173Abstract: The present invention relates to a super absorbent polymer and a preparation method thereof, the super absorbent polymer including: surface cross-linked polymer particles prepared by surface cross-linking particles of a base resin, the base resin polymerized from a monomer composition including water-soluble ethylene-based unsaturated monomers having at least partially neutralized acidic groups; and a water-soluble component, wherein the water-soluble component has a weight average molecular weight of 150,000 to 300,000 g/mol. The super absorbent polymer may have high centrifuge retention capacity and excellent permeability at the same time, while having low content of the water-soluble component.Type: ApplicationFiled: October 12, 2018Publication date: February 7, 2019Applicant: LG Chem, Ltd.Inventors: Sang Gi Lee, Chul Hee Ryu, Kyu Pal Kim, Bhom Ri Kim
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Patent number: 10150829Abstract: The present invention relates to a super absorbent polymer and a preparation method thereof, the super absorbent polymer including: surface cross-linked polymer particles prepared by surface cross-linking particles of a base resin, the base resin polymerized from a monomer composition including water-soluble ethylene-based unsaturated monomers having at least partially neutralized acidic groups; and a water-soluble component, wherein the water-soluble component has a weight average molecular weight of 150,000 to 300,000 g/mol. The super absorbent polymer may have high centrifuge retention capacity and excellent permeability at the same time, while having low content of the water-soluble component.Type: GrantFiled: November 4, 2015Date of Patent: December 11, 2018Assignee: LG Chem, Ltd.Inventors: Sang Gi Lee, Chul Hee Ryu, Kyu Pal Kim, Bhom Ri Kim