Patents by Inventor Chang Hong KO
Chang Hong KO 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: 20250202058Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, and the filler is surface-modified and has a particle diameter D100 of about 1.5 ?m or less.Type: ApplicationFiled: December 13, 2024Publication date: June 19, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Sam Jin PARK, Chang Hong KO, Min Jeong LEE, Eon Mi LEE, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250202046Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler and an adhesive binder. The binder includes a (meth)acryl-based binder containing a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent. The filler has a particle diameter D100 of about 1.0 m or less. The adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.Type: ApplicationFiled: December 10, 2024Publication date: June 19, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Eon Mi LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Min Jeong LEE, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250202047Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent; and a filler. The binder includes a (meth)acryl-based binder containing a structural unit derived from (meth)acrylamide or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.Type: ApplicationFiled: December 13, 2024Publication date: June 19, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Sam Jin PARK, Chang Hong KO, Min Jeong LEE, Eon Mi LEE, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250174826Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a separator for a rechargeable lithium battery including a porous base and a coating layer located on at least one surface of the porous base. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a second structural unit containing a heterocyclic ketone group. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.Type: ApplicationFiled: November 27, 2024Publication date: May 29, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jin Weon SEO, Chang Hong KO, Soo Hee KIM, Sam Jin PARK, Min Jeong LEE, Jung Yoon LEE, Yoo Bin HAN, Eon Mi LEE
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Publication number: 20250174827Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the. An example separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The adhesive binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a heterocyclic ketone group-containing second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of about 1.0 ?m or less, and the adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.Type: ApplicationFiled: November 27, 2024Publication date: May 29, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jin Weon SEO, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Eon Mi LEE, Min Jeong LEE, Yoo Bin HAN, Jung Yoon LEE
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Publication number: 20250167397Abstract: The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder that includes a (meth)acryl-based binder containing a first structural unit and a second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of 1.0 ?m or less, and the adhesive binder includes a first structural unit derived from a vinyl aromatic-based monomer, a second structural unit derived from an alkyl (meth)acrylate, and a third structural unit derived from a phosphonate-based monomer.Type: ApplicationFiled: November 22, 2024Publication date: May 22, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Min Jeong LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN, Eon Mi LEE
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Publication number: 20250158224Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide, and a second structural unit including at least one of a structural unit derived from (meth)acrylic acid, (meth)acrylate, and a structural unit derived from (meth)acrylamido sulfonic acid. The cross-linking agent includes an aziridine-based cross-linking agent in an amount ranging from about 5 wt % to about 50 wt % with respect to the (meth)acryl-based binder, and the filler has a particle diameter D100 of about 0.7 ?m or less.Type: ApplicationFiled: November 13, 2024Publication date: May 15, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Soo Hee KIM, Jung Yoon LEE, Jin Weon SEO, Eon Mi LEE, Sam Jin PARK, Min Jeong LEE, Yoo Bin HAN, Chang Hong KO
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Publication number: 20180294458Abstract: The present invention relates to: a separator comprising a porous substrate, and a heat resistant porous layer on one or both surfaces of the porous substrate, wherein the heat resistant porous layer comprises a cross-linked product of a cross-linkable functional group-containing phosphate-based or phosphonate-based monomer, oligomer, or polymer; an electrochemical cell comprising the same; or a method for preparing the separator.Type: ApplicationFiled: April 22, 2016Publication date: October 11, 2018Inventors: Chang Hong KO, Dong Wan SEO, Mok Yun JIN
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Publication number: 20150057423Abstract: The present invention relates to a polycarbonate-polysiloxane copolymer containing a polysiloxane unit. The polycarbonate-polysiloxane copolymer of the present invention includes an aliphatic terminal having a specific carbon number, thereby having excellent impact properties at low temperature, and high transparency.Type: ApplicationFiled: October 26, 2012Publication date: February 26, 2015Applicant: Cheil Industries Inc.Inventors: Jeung Gon Kim, Jung Woo Park, Chang Hong Ko, Tae Joon Park, Hong Gi Ahn
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Publication number: 20140187691Abstract: A flame retardant includes a polymer including a unit represented by Formula 1: wherein A and B are each independently a single bond, C1 to C5 alkylene, C1 to C5 alkylidene, C5 to C6 cycloalkylidene, —S— or —SO2—, provided that A and B are different from each other; R1 and R4 are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C6 to C20 aryl, or substituted or unsubstituted C6 to C20 aryloxy; R2, R3, R5 and R6 are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl, or halogen; a, b, c and d are each independently an integer from 0 to 4; m is an integer from 0 to 500; and n is an integer from 1 to 500. The flame retardant polyamide resin composition can have excellent flame retardancy and can maintain crystallinity.Type: ApplicationFiled: December 12, 2013Publication date: July 3, 2014Applicant: Cheil Industries Inc.Inventors: Seung Woo JANG, Chang Hong KO, Min Soo LEE, Sung Hee AHN
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Publication number: 20140179858Abstract: A phosphorous copolymer, a method for preparing the same, and a flame retardant thermoplastic resin composition including the same is disclosed. The phosphorous copolymer includes a repeat unit represented by Formula 1: wherein each A is independently a single bond, C1 to C5 alkylene, C1 to C5 alkylidene, C5 to C6 cycloalkylidene, —S—, or —SO2—; R1 and R2 are each independently substituted or unsubstituted C1 to C6 alkyl or substituted or unsubstituted C6 to C20 aryl; R3 and R4 are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl, or halogen; a and b are each independently an integer from 0 to 4; and m and n are each independently an integer from 1 to 500.Type: ApplicationFiled: July 23, 2013Publication date: June 26, 2014Applicant: Cheil Industries Inc.Inventors: Seung Woo JANG, Chang Hong KO
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Patent number: 8410238Abstract: Disclosed is a bishydroxyarylsiloxane compound. The bishydroxyarylsiloxane compound has a novel structure in which a particular moiety is introduced between siloxane blocks. Due to this structure, the physical properties of a copolymer of the bishydroxyarylsiloxane compound and a polymer can be tuned. Further disclosed is a method for preparing the bishydroxyarylsiloxane compound.Type: GrantFiled: December 29, 2010Date of Patent: April 2, 2013Assignee: Cheil Industries Inc.Inventors: Chang Hong Ko, Min Soo Lee, Sang Hyun Hong, Beom Jun Joo, Won Gi Lee
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Patent number: 8410203Abstract: Disclosed herein is a phosphorus compound represented by Formula 1: wherein each R is the same or different and is independently hydrogen, C1-C6 alkyl or C6-C12 aryl.Type: GrantFiled: October 12, 2011Date of Patent: April 2, 2013Assignee: Cheil Industries Inc.Inventors: Min Soo Lee, Im Hyuck Bae, Seon Ae Lee, Sang Hyun Hong, Chang Hong Ko, Boem Jun Joo, Jin Hwan Kim, Ik Hyun Yu, Thi Hai Vo, Thanh Kieu Giang, Thi Thuy Hang Nguyen
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Publication number: 20120259058Abstract: The present invention provides a thermoplastic resin composition that can have excellent flame retardancy comprising about 100 parts by weight of a base resin including about 30 to about 100% by weight of a polycarbonate-based resin (A); and about 0.1 to about 40 parts by weight of a phosphorus-containing compound in the form of polymer (C). The thermoplastic resin composition can have excellent flame retardancy, can exhibit a balance of properties such as impact strength, heat resistance, flowability, and the like, and can be environment-friendly.Type: ApplicationFiled: June 18, 2012Publication date: October 11, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Chang Hong Ko, Seon Ae Lee, Beom Jun Joo, Im Hyuck Bae, Won Gi Lee
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Publication number: 20120172506Abstract: A polyphosphonate having an acid value of about 5.5 mg KOH/g or less and represented by Formula 1: wherein: A is a single bond, C1 to C5 alkylene, C1 to C5 alkylidene, C5 to C6 cycloalkylidene, —S— or —SO2-, R is substituted or unsubstituted C6 to C20 aryl or substituted or unsubstituted C6 to C20 aryloxy, R1 and R2 are the same or different and are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C 12 aryl or halogen, a and b are the same or different and are each independently an integer from about 0 to about 4, and n is an integer from about 1 to about 500.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Min Soo LEE, Chang Hong KO, Seon Ae LEE, Sang Hyun HONG
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Publication number: 20120172547Abstract: A cross-linked polyphosphonate and a thermoplastic resin composition including the cross-linked polyphosphonate are disclosed. The composition may have excellent flame retardancy and mechanical strength and superior appearance and heat resistance.Type: ApplicationFiled: December 14, 2011Publication date: July 5, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Seon Ae LEE, Chang Hong KO, Sang Hyun HONG, Min Soo LEE
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Publication number: 20120165444Abstract: Disclosed herein is a phosphorus compound represented by Formula 1: wherein each R is the same or different and is independently hydrogen, C1-C6 alkyl or C6-C12 aryl.Type: ApplicationFiled: October 12, 2011Publication date: June 28, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Min Soo LEE, Im Hyuck BAE, Seon Ae LEE, Sang Hyun HONG, Chang Hong KO, Beom Jun JOO, Jin Hwan KIM, Ik Hyun YU, Thi Hai VO, Thanh Kieu GIANG, Thi Thuy Hang NGUYEN
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Publication number: 20120053316Abstract: Disclosed is a bishydroxyarylsiloxane compound. The bishydroxyarylsiloxane compound has a novel structure in which a particular moiety is introduced between siloxane blocks. Due to this structure, the physical properties of a copolymer of the bishydroxyarylsiloxane compound and a polymer can be tuned. Further disclosed is a method for preparing the bishydroxyarylsiloxane compound.Type: ApplicationFiled: December 29, 2010Publication date: March 1, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Chang Hong KO, Min Soo LEE, Sang Hyun HONG, Beom Jun JOO, Won Gi LEE