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).

  • Publication number: 20250202058
    Abstract: 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: Application
    Filed: December 13, 2024
    Publication date: June 19, 2025
    Applicant: 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
  • Publication number: 20250202046
    Abstract: 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: Application
    Filed: December 10, 2024
    Publication date: June 19, 2025
    Applicant: 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
  • Publication number: 20250202047
    Abstract: 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: Application
    Filed: December 13, 2024
    Publication date: June 19, 2025
    Applicant: 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
  • Publication number: 20250174826
    Abstract: 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: Application
    Filed: November 27, 2024
    Publication date: May 29, 2025
    Applicant: 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
  • Publication number: 20250174827
    Abstract: 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: Application
    Filed: November 27, 2024
    Publication date: May 29, 2025
    Applicant: 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
  • Publication number: 20250167397
    Abstract: 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: Application
    Filed: November 22, 2024
    Publication date: May 22, 2025
    Applicant: 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
  • Publication number: 20250158224
    Abstract: 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: Application
    Filed: November 13, 2024
    Publication date: May 15, 2025
    Applicant: 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
  • Publication number: 20180294458
    Abstract: 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: Application
    Filed: April 22, 2016
    Publication date: October 11, 2018
    Inventors: Chang Hong KO, Dong Wan SEO, Mok Yun JIN
  • Publication number: 20150057423
    Abstract: 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: Application
    Filed: October 26, 2012
    Publication date: February 26, 2015
    Applicant: Cheil Industries Inc.
    Inventors: Jeung Gon Kim, Jung Woo Park, Chang Hong Ko, Tae Joon Park, Hong Gi Ahn
  • Publication number: 20140187691
    Abstract: 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: Application
    Filed: December 12, 2013
    Publication date: July 3, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Seung Woo JANG, Chang Hong KO, Min Soo LEE, Sung Hee AHN
  • Publication number: 20140179858
    Abstract: 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: Application
    Filed: July 23, 2013
    Publication date: June 26, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Seung Woo JANG, Chang Hong KO
  • Patent number: 8410238
    Abstract: 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: Grant
    Filed: December 29, 2010
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Chang Hong Ko, Min Soo Lee, Sang Hyun Hong, Beom Jun Joo, Won Gi Lee
  • Patent number: 8410203
    Abstract: 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: Grant
    Filed: October 12, 2011
    Date of Patent: April 2, 2013
    Assignee: 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
  • Publication number: 20120259058
    Abstract: 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: Application
    Filed: June 18, 2012
    Publication date: October 11, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang Hong Ko, Seon Ae Lee, Beom Jun Joo, Im Hyuck Bae, Won Gi Lee
  • Publication number: 20120172506
    Abstract: 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: Application
    Filed: December 20, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Min Soo LEE, Chang Hong KO, Seon Ae LEE, Sang Hyun HONG
  • Publication number: 20120172547
    Abstract: 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: Application
    Filed: December 14, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Seon Ae LEE, Chang Hong KO, Sang Hyun HONG, Min Soo LEE
  • Publication number: 20120165444
    Abstract: 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: Application
    Filed: October 12, 2011
    Publication date: June 28, 2012
    Applicant: 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
  • Publication number: 20120053316
    Abstract: 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: Application
    Filed: December 29, 2010
    Publication date: March 1, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang Hong KO, Min Soo LEE, Sang Hyun HONG, Beom Jun JOO, Won Gi LEE