Patents by Inventor In Chol Kim

In Chol 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).

  • Patent number: 9493648
    Abstract: Disclosed is a thermoplastic resin composition including: (A) a polycarbonate resin; (B) an acrylate-styrene-acrylonitrile (ASA) graft copolymer; (C) a random copolymer of an alkyl(meth)acrylate, an aromatic vinyl compound, and a vinyl cyanide compound; and (D) a copolymer of an aromatic methacrylate and a monofunctional unsaturated monomer.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 15, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: In-Chol Kim, Chang-Min Hong, Ja-Yoon Kim, Ji-Eun Park
  • Publication number: 20160312026
    Abstract: A polycarbonate resin composition and a molded article manufactured using the same. The polycarbonate resin composition includes: (A) a polycarbonate resin; (B) a vinyl cyanide compound-aromatic vinyl compound copolymer; (C) an acrylonitrile-butadiene-styrene graft copolymer including (C-1) a first acrylonitrile-butadiene-styrene graft copolymer, a rubbery polymer of which has an average particle diameter of about 200 nm to about 350 nm and (C-2) a second acrylonitrile-butadiene-styrene graft copolymer, a rubbery polymer of which has an average particle diameter of about 400 nm to about 600 nm; and (D) a compatibilizer.
    Type: Application
    Filed: April 20, 2016
    Publication date: October 27, 2016
    Inventors: In Chol KIM, Jung Woo PARK, Kee Hae KWON, Chang Min HONG
  • Publication number: 20160304711
    Abstract: Disclosed herein is a thermoplastic resin composition. The thermoplastic resin composition includes: a matrix resin including a resin including a methyl methacrylate repeat unit; and an impact modifier, wherein the impact modifier includes a first core-shell type impact modifier including a butadiene rubber polymer core and a second core-shell type impact modifier including an acrylate rubber polymer core, and the second impact modifier is present in a greater amount than the first impact modifier. The thermoplastic resin composition can exhibit excellent properties in terms of weatherability, colorability, and gloss.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 20, 2016
    Inventors: Jin Kyung CHO, Kee Hae KWON, In Chol KIM, Chang Min HONG
  • Patent number: 9469759
    Abstract: Provided is a thermoplastic resin composition that comprises (A) a graft copolymer; (B) a polyalkyl (meth)acrylate; (C) an alkyl (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer; and (D) an impact-reinforcing agent, wherein the graft copolymer (A) comprises an aromatic vinyl compound-vinyl cyanide compound copolymer grafted on a core part comprising a rubbery polymer.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 18, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Taek-Woong Chung, In-Chol Kim, Chang-Min Hong
  • Patent number: 9447275
    Abstract: A molded article for an automobile is formed using a thermoplastic resin composition including (A) about 1 to about 20 wt % of a first rubber-modified acrylic-based graft copolymer having an average particle diameter of greater than or equal to about 100 nm and less than about 200 nm, (B) about 1 to about 20 wt % of a second rubber-modified acrylic-based graft copolymer having an average particle diameter of greater than or equal to about 200 nm and less than or equal to about 400 nm, (C) about 5 to about 40 wt % of a first vinyl-based copolymer of an alkyl(meth)acrylate monomer, an aromatic vinyl monomer, and an unsaturated nitrile monomer wherein the alkyl(meth)acrylate monomer is included in an amount of greater than or equal to about 50 wt %, and (D) about 50 to about 85 wt % of a polycarbonate resin, wherein the molded article is a radiator grill or an outside mirror housing.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: September 20, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: In-Chol Kim, Kee-Hae Kwon, Jung-Woo Park, Chang-Min Hong
  • Patent number: 9422426
    Abstract: Disclosed are a transparent thermoplastic resin composition including (A) about 5 to about 40 wt % of an impact-reinforcing agent having a core-shell structure where an acrylic-based compound is grafted on a rubber core including a copolymer of an acrylic-based monomer and a diene-based monomer, to form a shell, and (B) about 60 to about 95 wt % of an acrylic-based resin, and a molded article using the same.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: August 23, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Kee-Hae Kwon, In-Chol Kim, Jung-Eun Park, Jeong-Min Lee, Jin-Young Huh, Chang-Min Hong
  • Patent number: 9403978
    Abstract: A thermoplastic resin composition comprises (A) about 30 to about 98 wt % of a polycarbonate resin, (B) about 1 to about 50 wt % of a rubber modified acrylic-based graft copolymer, and (C) about 1 to about 69 wt % of a branched copolymer including silicon-based compound. A molded article can be made using the same.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: August 2, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Kee-Hae Kwon, In-Chol Kim, Bo-Eun Kim, Joo-Hyun Jang, Chang-Min Hong
  • Publication number: 20160185959
    Abstract: A thermoplastic resin composition for automotive interior components and a molded article using the same. The thermoplastic resin composition includes: a base resin comprising about 55 wt % to about 90 wt % of a polycarbonate resin and about 10 wt % to about 45 wt % of a vinyl cyanide compound-aromatic vinyl compound copolymer; about 5 parts by weight to about 30 parts by weight of an impact modifier; and about 1 part by weight to about 8 parts by weight of a matting agent, each based on about 100 parts by weight of the base resin. The impact modifier includes a first impact modifier which is a core-shell type acrylic rubber-modified graft copolymer, and a second impact modifier which is a core-shell type diene-acrylic rubber-modified graft copolymer.
    Type: Application
    Filed: December 29, 2015
    Publication date: June 30, 2016
    Inventors: In Chol Kim, Kee Hae Kwon, Jung Woo Park, Chang Min Hong
  • Publication number: 20160168376
    Abstract: A thermoplastic resin composition including (A) bisphenol A-based polycarbonate, (B) biphenyl group-containing polycarbonate, (C) a biphenyl group-containing or terphenyl group-containing (meth)acryl-based copolymer and (D) a graft copolymer and a molded article manufactured from the same.
    Type: Application
    Filed: May 8, 2014
    Publication date: June 16, 2016
    Applicant: Samsung SDI CO., Ltd.
    Inventors: Kee-Hae KWON, In-Chol KIM, Joo-Hyun Jang, Jun-Ho CHI, Chang-Min HONG
  • Publication number: 20160083578
    Abstract: Provided is a transparent polycarbonate composition that includes: (A) 5 to 95 wt % of biphenyl modified polycarbonate including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and a repeating unit represented by Chemical Formula 3; and (B) 1 to 50 wt % of an acrylate-based copolymer including (B-1) a repeating unit derived from aromatic (meth)acrylate having a refractive index of 1.58 to 1.70 and (B-2) a repeating unit derived from a mono-functional unsaturated monomer.
    Type: Application
    Filed: July 8, 2013
    Publication date: March 24, 2016
    Inventors: Kee-Hae KWON, O-Sung KWON, In-Chol KIM, Joo-Hyun JANG, Chang-Min HONG
  • Publication number: 20160002455
    Abstract: Provided is a thermoplastic resin composition that comprises (A) a graft copolymer; (B) a polyalkyl (meth)acrylate; (C) an alkyl (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer; and (D) an impact-reinforcing agent, wherein the graft copolymer (A) comprises an aromatic vinyl compound-vinyl cyanide compound copolymer grafted on a core part comprising a rubbery polymer.
    Type: Application
    Filed: December 18, 2012
    Publication date: January 7, 2016
    Inventors: Taek-Woong CHUNG, In-Chol KIM, Chang-Min HONG
  • Patent number: 9102827
    Abstract: A transparent thermoplastic resin composition includes (A) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 700 to about 1800 ?; (B) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 2000 to about 4000 ?; (C) dimethyl polysiloxane; and (D) a base resin which includes (meth)acrylic acid alkyl ester in an amount of about 40 to about 100% by weight.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: August 11, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Dong Hui Chu, Doo Han Ha, In Chol Kim
  • Publication number: 20150065652
    Abstract: A molded article for an automobile is formed using a thermoplastic resin composition including (A) about 1 to about 20 wt % of a first rubber-modified acrylic-based graft copolymer having an average particle diameter of greater than or equal to about 100 nm and less than about 200 nm, (B) about 1 to about 20 wt % of a second rubber-modified acrylic-based graft copolymer having an average particle diameter of greater than or equal to about 200 nm and less than or equal to about 400 nm, (C) about 5 to about 40 wt % of a first vinyl-based copolymer of an alkyl(meth)acrylate monomer, an aromatic vinyl monomer, and an unsaturated nitrile monomer wherein the alkyl(meth)acrylate monomer is included in an amount of greater than or equal to about 50 wt %, and (D) about 50 to about 85 wt % of a polycarbonate resin, wherein the molded article is a radiator grill or an outside mirror housing.
    Type: Application
    Filed: September 2, 2014
    Publication date: March 5, 2015
    Inventors: In-Chol KIM, Kee-Hae KWON, Jung-Woo PARK, Chang-Min HONG
  • Publication number: 20140187704
    Abstract: Disclosed are a transparent thermoplastic resin composition including (A) about 5 to about 40 wt % of an impact-reinforcing agent having a core-shell structure where an acrylic-based compound is grafted on a rubber core including a copolymer of an acrylic-based monomer and a diene-based monomer, to form a shell, and (B) about 60 to about 95 wt % of an acrylic-based resin, and a molded article using the same.
    Type: Application
    Filed: October 3, 2013
    Publication date: July 3, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Kee-Hae KWON, In-Chol KIM, Jung-Eun PARK, Jeong-Min LEE, Jin-Young HUH, Chang-Min HONG
  • Publication number: 20140187717
    Abstract: A thermoplastic resin composition comprises (A) about 30 to about 98 wt % of a polycarbonate resin, (B) about 1 to about 50 wt % of a rubber modified acrylic-based graft copolymer, and (C) about 1 to about 69 wt % of a branched copolymer including silicon-based compound. A molded article can be made using the same.
    Type: Application
    Filed: December 5, 2013
    Publication date: July 3, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Kee-Hae KWON, In-Chol KIM, Bo-Eun KIM, Joo-Hyun JANG, Chang-Min HONG
  • Publication number: 20140187719
    Abstract: Disclosed is a thermoplastic resin composition including: (A) a polycarbonate resin; (B) an acrylate-styrene-acrylonitrile (ASA) graft copolymer; (C) a random copolymer of an alkyl(meth)acrylate, an aromatic vinyl compound, and a vinyl cyanide compound; and (D) a copolymer of an aromatic methacrylate and a monofunctional unsaturated monomer.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 3, 2014
    Applicant: Cheil Industries Inc.
    Inventors: In-Chol KIM, Chang-Min HONG, Ja-Yoon KIM, Ji-Eun PARK
  • Publication number: 20140142212
    Abstract: A transparent thermoplastic resin composition includes (A) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 700 to about 1800 ?; (B) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 2000 to about 4000 ?; (C) dimethyl polysiloxane; and (D) a base resin which includes (meth)acrylic acid alkyl ester in an amount of about 40 to about 100% by weight.
    Type: Application
    Filed: April 19, 2013
    Publication date: May 22, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Dong Hui CHU, Doo Han HA, In Chol KIM
  • Patent number: 8344043
    Abstract: The present invention provides a thermoplastic resin composition that can have improved scratch resistance comprising: (A) about 10 to about 20% by weight of a rubber modified aromatic vinyl graft copolymer resin; (B) about 30 to about 50% by weight of polymethylmethacrylate (PMMA) resin; and (C) about 40 to about 60% by weight of an aromatic vinyl copolymer resin including about 5 to about 50% by weight of a (meth)acrylate alkyl ester. The thermoplastic resin composition of the present invention can have a good balance of various properties such as scratch resistance, impact strength, colorability, gloss, and injection molding properties.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: January 1, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Sung Hun Jin, Chang Min Hong, Dong Hui Chu, Tae Woog Jang, In Chol Kim, Yu Ho Kim, Don Keun Lee
  • Publication number: 20120270965
    Abstract: Provided are a thermoplastic resin composition including (A) a core-shell structured copolymer including a shell polymerized from at least an acrylic-based compound, (B) an acrylic-based polymer polymerized from at least an acryl-based monomer, and (C) a surface-controlling agent, and a molded product using the same.
    Type: Application
    Filed: June 28, 2012
    Publication date: October 25, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: In-Chol KIM, Doo-Han HA, Tae-Woog JANG, Dong-Hui CHU
  • Publication number: 20120264882
    Abstract: Provided are a thermoplastic resin composition that includes (A) about 60 to about 95 wt % of a base resin including (A-1) polyalkyl(meth)acrylate resin and (A-2) a vinyl-based copolymer; and (B) about 5 to about 40 wt % of a core-shell structured copolymer including a polymer of at least two compounds selected from an aromatic vinyl compound, a vinyl cyanide compound, and an acrylic-based compound, grafted on a rubbery polymer, and a molded product using the same.
    Type: Application
    Filed: June 28, 2012
    Publication date: October 18, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Dong-Hui CHU, Doo-Han HA, In-Chol KIM, Sung-Hun JIN