Patents by Inventor Kee Hae Kwon

Kee Hae Kwon 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: 9605147
    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: Grant
    Filed: May 8, 2014
    Date of Patent: March 28, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kee-Hae Kwon, In-Chol Kim, Joo-Hyun Jang, Jun-Ho Chi, Chang-Min Hong
  • Patent number: 9587058
    Abstract: A resin composition includes a phosphorus-based acrylic copolymer (A) including (a1) an acrylic monomer represented by Formula 1 and (a2) a phosphorus-based acrylic monomer represented by Formula 2 as defined in the specification. The resin composition can have flame retardancy, heat resistance, mechanical properties, and/or flowability, while maintaining properties of high transparency and scratch resistance.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: March 7, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kee Hae Kwon, Jin Hwa Chung, Jin Seong Lee, Man Suk Kim, Kwang Soo Park, Ja Kwan Koo
  • Publication number: 20170058121
    Abstract: A thermoplastic resin composition and a molded article including the same are disclosed herein. The thermoplastic resin composition includes a base resin including a polycarbonate (PC) resin and a polyester resin, inorganic fillers, and an aromatic (meth)acrylate polymer, wherein the aromatic (meth)acrylate polymer is a copolymer of a monomer mixture including a vinyl cyanide monomer, an aromatic vinyl monomer, and an aromatic (meth)acrylate.
    Type: Application
    Filed: August 26, 2016
    Publication date: March 2, 2017
    Inventors: Jeong Eun PARK, Kee Hae KWON, Chang Min HONG
  • Publication number: 20170029617
    Abstract: A thermoplastic resin composition and a molded article including the same.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Inventors: Jeong Eun PARK, Hee Yun JEONG, Kee Hae KWON, Chang Min HONG
  • Patent number: 9540508
    Abstract: A thermoplastic resin composition includes a base resin comprising about 5 to about 95 weight % of polycarbonate resin and about 5 to about 95 weight % of polycarbonate-polysiloxane copolymer resin; and about 0.1 to about 5 parts by weight of luster pigment per about 100 parts by weight of the base resin.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: January 10, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chang Min Hong, Won Seon Lee, Kee Hae Kwon, Jeong Min Lee
  • Publication number: 20170002198
    Abstract: A thermoplastic resin composition and a molded article including the same. The thermoplastic resin composition includes: about 100 parts by weight of a base resin including (A) about 70 percent by weight (wt %) to about 95 wt % of a polycarbonate resin and (B) about 5 wt % to about 30 wt % of a polyester resin; and (C) about 0.5 parts by weight to about 6 parts by weight of a linear (meth)acrylic resin.
    Type: Application
    Filed: June 28, 2016
    Publication date: January 5, 2017
    Inventors: Hee Yun JEONG, Kee Hae KWON, Chang Min HONG
  • Publication number: 20160326358
    Abstract: A heat resistant thermoplastic resin composition and a molded article manufactured using the same. The heat resistant thermoplastic resin composition includes about 100 parts by weight of an aromatic vinyl compound; about 20 parts by weight to about 60 parts by weight of a polycarbonate resin; and about 30 parts by weight to about 60 parts by weight of an impact modifier. The heat resistant thermoplastic resin composition and a molded article manufactured using the same can have excellent properties in terms of impact resistance, heat resistance, and/or chemical resistance and can be eco-friendly due to low level of VOC emissions.
    Type: Application
    Filed: May 2, 2016
    Publication date: November 10, 2016
    Inventors: Jeong Min LEE, Kee Hae KWON, Jeong Eun PARK, Chang Min HONG, Jae Youp CHUNG
  • Publication number: 20160319128
    Abstract: A polycarbonate resin composition and a molded article for automotive parts manufactured using the same. The thermoplastic resin composition includes: (A) a polycarbonate resin; (B) a rubber-modified vinyl graft copolymer comprising (B-1) a first rubber-modified vinyl graft copolymer comprising a rubber polymer having an average particle diameter of about 230 nm to about 380 nm and (B-2) a second rubber-modified vinyl graft copolymer comprising a rubber polymer having an average particle diameter of about 60 nm to about 200 nm; (C) an aromatic vinyl-vinyl cyanide copolymer; and (D) a (meth)acrylic copolymer. The thermoplastic resin composition can have excellent properties in terms of heat stability and gloss.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 3, 2016
    Inventors: Jung Woo PARK, Myung Hun KIM, Kee Hae KWON, Chang Min HONG
  • 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: 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
  • Patent number: 9359500
    Abstract: Disclosed is a resin composition including (A) a polycarbonate resin and (B) a rubber modified vinyl-based graft copolymer, and (C) about 1 to about 9 parts by weight of a random copolymer of a compound represented by the following Chemical Formula 1, an aromatic vinyl monomer, and a vinyl cyanide monomer, based on about 100 parts by weight of the polycarbonate resin (A) and the rubber-modified vinyl-based graft copolymer (B): wherein, in the above chemical formula, m is an integer ranging from 0 to 10, and X is phenyl, methylphenyl, methylethylphenyl, methoxyphenyl, cyclohexylphenyl, chlorophenyl, bromophenyl, phenylphenyl group, or benzylphenyl.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 7, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Jung-Eun Park, Kee-Hae Kwon, Jin-Young Huh, Chang-Min Hong
  • Patent number: 9353200
    Abstract: Disclosed herein is a thermoplastic (meth)acrylate copolymer, which includes a derivative unit obtained from a monomer mixture including: (A) an aromatic (meth)acrylate having an index of refraction from about 1.580 to about 1.700; and (B) a monofunctional unsaturated monomer.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jin Hwa Chung, Kee Hae Kwon, Joo Hyun Jang, Yong Hee Kang, Ja Kwan Goo, Man Suk Kim, Kwang Soo Park
  • Patent number: 9340670
    Abstract: The present invention relates to an environmentally friendly flame-retardant polycarbonate resin composition having scratch resistance, which includes a specific (meth)acrylic flame-retardant copolymer to improve flame retardancy and scratch resistance.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: May 17, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Jin Hwa Chung, Ja Kwan Koo, Joo Hyun Jang, Yong Hee Kang, Kee Hae Kwon, Kwang Soo Park, Man Suk Kim, Jin Seong Lee
  • 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
  • Patent number: 9279053
    Abstract: The present disclosure relates to a polycarbonate resin composition, which comprises: based on thermoplastic resin 100 parts by weight comprising (A) polycarbonate resin 60 to 80 wt %; and (B) polycarbonate-polysiloxane copolymer resin 20 to 40 wt %, (C) pearl metal particle 1 to 4 parts by weight; and (D) colorant 0.1 to 10 parts by weight.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: March 8, 2016
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SAMSUNG SDI CO., LTD.
    Inventors: Kyeong Hoon Jang, Dae Sik Kim, Jeong Min Lee, Kee Hae Kwon, Do Kyoon Kim