Patents by Inventor Sang Bum AHN
Sang Bum AHN 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: 20250046952Abstract: The present invention relates to an electrode assembly and a method of manufacturing an electrode assembly, wherein the electrode assembly according to one example of the present invention comprises an electrode stack part, in which a basic unit cell obtained by sequentially laminating a separator, a first electrode, a separator, and a second electrode is laminated numerously in two or more layers, and an electrode fixing part, by which the electrode stack part is surrounded and fixed, having a plurality of through-holes.Type: ApplicationFiled: July 1, 2022Publication date: February 6, 2025Applicant: LG Energy Solution, Ltd.Inventors: Jea Bong Jung, Chang Bum Ahn, Sang Jin Seo, Dong Guk Sim, Yeong Cheol Jang
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Patent number: 11952477Abstract: A curable composition includes a curable resin and a magnetic body, wherein the magnetic body comprises magnetic particles and a surface treatment agent present on a surface of the magnetic particles. The curable composition has low viscosity, and fluidity, and capable of effectively cured without causing curing shrinkage or the like to form a cured product having desired physical properties.Type: GrantFiled: February 7, 2019Date of Patent: April 9, 2024Assignee: LG Chem, Ltd.Inventors: Sang Bum Ahn, Jin Kyu Lee
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Patent number: 11872623Abstract: The present invention relates to a thermosetting composition and a method for curing the same, and provides a thermosetting composition capable of realizing uniform curing physical properties of a cured product.Type: GrantFiled: November 6, 2017Date of Patent: January 16, 2024Assignee: LG CHEM, LTD.Inventors: Sang Bum Ahn, Jin Kyu Lee
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Magnetic Body, Curable Composition Comprising the Same and Manufacturing Method of the Magnetic Body
Publication number: 20230154658Abstract: A magnetic body, a curable composition comprising the same, and a method for manufacturing the same are disclosed herein. In some embodiments, a magnetic body includes magnetic particles, and a surface treatment agent bonded to the surface of the magnetic particles, wherein the magnetic particles comprise crystals having a size in a range of 10 nm to 40 nm, wherein the magnetic particles have an average particle diameter in a range of 20 nm to 300 nm, and wherein the magnetic particles have a particle diameter variation coefficient in a range of 5% to 30%. The magnetic body may have an excellent calorific value, and at the same time, may maintain the calorific value uniformly. In the magnetic body, the calorific value characteristics may be freely adjusted. The curable composition of the present application can be easily cured by using a magnetic body that satisfies all the characteristics.Type: ApplicationFiled: October 8, 2020Publication date: May 18, 2023Applicant: LG Chem, Ltd.Inventors: Yeong Hwa Kim, Sang Bum Ahn, Woong Chan Jeong, Jin Kyu Lee -
Patent number: 11549009Abstract: The present invention relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional comprising the same, and provides a composition for 3D printing capable of realizing a three-dimensional shape having precision and excellent curing stability.Type: GrantFiled: December 27, 2016Date of Patent: January 10, 2023Inventors: Sang Bum Ahn, Jin Kyu Lee, Hyeok Jeong
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Patent number: 11499019Abstract: The present application relates to a curable composition. The present application provides a curable composition comprising an internal heat source for generating heat by application of an alternate-current magnetic field from the outside, together with a phthalonitrile compound and a curing agent therefor. The curable composition can precisely control the heat generated from the internal heat source according to the strength of the alternate-current magnetic field to precisely control curing conditions of the curable composition.Type: GrantFiled: November 29, 2017Date of Patent: November 15, 2022Assignee: LG CHEM, LTD.Inventors: Jin Kyu Lee, Seung Hee Lee, Sang Woo Kim, Sang Bum Ahn
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Patent number: 11472971Abstract: The present application relates to a resin composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a resin composition which is capable of precisely forming a three-dimensional shape and implementing uniform curing properties of a three-dimensional shape.Type: GrantFiled: September 26, 2016Date of Patent: October 18, 2022Inventors: Sang Bum Ahn, Jong Min Shin, Jin Kyu Lee
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Patent number: 11476019Abstract: The present application relates to a composition, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a composition capable of embodying a precise formation of a three-dimensional shape using a ceramic material and a uniform curing property of the three-dimensional shape.Type: GrantFiled: December 7, 2020Date of Patent: October 18, 2022Inventors: Jin Kyu Lee, Sang Bum Ahn
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Publication number: 20220289935Abstract: A cured object and a method for producing the same are disclosed herein. In some embodiments, the method of producing a cured object includes introducing a resin composition including a resin and magnetic powder into one or more slots of a tubular object, wherein the resin composition includes a resin and a magnetic powder, wherein the tubular object includes a penetration space and an edge region having the one more slots formed therein, and wherein the penetration space and the one or more slots are formed in a longitudinal direction of the tubular object; inserting a solenoid coil into the penetration space of the tubular object; and generating a magnetic field with the solenoid coil to cure the resin present in the one or more slots of the tubular object. The cured resin object can also have excellent withstand voltage characteristics.Type: ApplicationFiled: July 10, 2020Publication date: September 15, 2022Applicant: LG Chem, Ltd.Inventors: Sang Bum Ahn, Jin Kyu Lee, Kwang Hwan Kim
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Patent number: 11232891Abstract: The present application relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides an ink composition capable of realizing precise formation of a three-dimensional shape and uniform curing physical properties of the three-dimensional shape.Type: GrantFiled: November 21, 2017Date of Patent: January 25, 2022Assignee: LG CHEM, LTD.Inventors: Sai Bom Park, Jin Kyu Lee, Sang Bum Ahn
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Patent number: 11203152Abstract: A nozzle assembly comprising a housing, a nozzle disposed in the housing and connected to an ink supply part, a first coil, which is disposed in the housing, for generating a magnetic field when a power source is applied, a second coil disposed in the housing, disposed so as to surround the nozzle and the first coil and generating a magnetic field when a power source is applied, provided that at least one of the magnetic field effective area and the magnetic field intensity is different from that of the first coil, and a lift part for lifting the nozzle and the first and second coils, respectively, so as to be positioned in the housing or exposed to the outside of the housing.Type: GrantFiled: April 25, 2018Date of Patent: December 21, 2021Inventors: Choong Man Bae, Sang Bum Ahn, Jin Kyu Lee
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Publication number: 20210098160Abstract: The present application relates to a composition, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a composition capable of embodying a precise formation of a three-dimensional shape using a ceramic material and a uniform curing property of the three-dimensional shape.Type: ApplicationFiled: December 7, 2020Publication date: April 1, 2021Applicant: LG Chem, Ltd.Inventors: Jin Kyu Lee, Sang Bum Ahn
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Publication number: 20210032433Abstract: A curable composition includes a curable resin and a magnetic body, wherein the magnetic body comprises magnetic particles and a surface treatment agent present on a surface of the magnetic particles. The curable composition has low viscosity, and fluidity, and capable of effectively cured without causing curing shrinkage or the like to form a cured product having desired physical properties.Type: ApplicationFiled: February 7, 2019Publication date: February 4, 2021Applicant: LG Chem, Ltd.Inventors: Sang Bum Ahn, Jin Kyu Lee
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Patent number: 10892075Abstract: The present application relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a composition for 3D printing capable of embodying a precise formation of a three-dimensional shape using a ceramic material and a uniform curing property of the three-dimensional shape.Type: GrantFiled: September 26, 2016Date of Patent: January 12, 2021Inventors: Jin Kyu Lee, Sang Bum Ahn
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Publication number: 20200325286Abstract: The present application relates to a curable composition. The present application provides a curable composition comprising an internal heat source for generating heat by application of an alternate-current magnetic field from the outside, together with a phthalonitrile compound and a curing agent therefor. The curable composition can precisely control the heat generated from the internal heat source according to the strength of the alternate-current magnetic field to precisely control curing conditions of the curable composition.Type: ApplicationFiled: November 29, 2017Publication date: October 15, 2020Inventors: Jin Kyu LEE, Seung Hee LEE, Sang Woo KIM, Sang Bum AHN
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Publication number: 20200262999Abstract: The present invention relates to a thermosetting composition and a method for curing the same, and provides a thermosetting composition capable of realizing uniform curing physical properties of a cured product.Type: ApplicationFiled: November 6, 2017Publication date: August 20, 2020Inventors: Sang Bum AHN, Jin Kyu LEE
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Publication number: 20200130272Abstract: A nozzle assembly comprising a housing, a nozzle disposed in the housing and connected to an ink supply part, a first coil, which is disposed in the housing, for generating a magnetic field when a power source is applied, a second coil disposed in the housing, disposed so as to surround the nozzle and the first coil and generating a magnetic field when a power source is applied, provided that at least one of the magnetic field effective area and the magnetic field intensity is different from that of the first coil, and a lift part for lifting the nozzle and the first and second coils, respectively, so as to be positioned in the housing or exposed to the outside of the housing.Type: ApplicationFiled: April 25, 2018Publication date: April 30, 2020Applicant: LG Chem, Ltd.Inventors: Choong Man Bae, Sang Bum Ahn, Jin Kyu Lee
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Publication number: 20190318857Abstract: The present application relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides an ink composition capable of realizing precise formation of a three-dimensional shape and uniform curing physical properties of the three-dimensional shape.Type: ApplicationFiled: November 21, 2017Publication date: October 17, 2019Inventors: Sai Bom PARK, Jin Kyu LEE, Sang Bum AHN
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Publication number: 20190040248Abstract: The present invention relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional comprising the same, and provides a composition for 3D printing capable of realizing a three-dimensional shape having precision and excellent curing stability.Type: ApplicationFiled: December 27, 2016Publication date: February 7, 2019Applicant: LG Chem, Ltd.Inventors: Sang Bum Ahn, Jin Kyu Lee, Hyeok Jeong
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Publication number: 20180273776Abstract: The present application relates to a resin composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a resin composition which is capable of precisely forming a three-dimensional shape and implementing uniform curing properties of a three-dimensional shape.Type: ApplicationFiled: September 26, 2016Publication date: September 27, 2018Applicant: LG Chem, Ltd.Inventors: Sang Bum Ahn, Jong Min Shin, Jin Kyu Lee