Patents by Inventor Young Chul Kwon

Young Chul 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).

  • Publication number: 20200231799
    Abstract: A thermoplastic resin composition of the present invention comprises: a base resin comprising a rubber modified vinyl-based graft copolymer, a large-diameter rubbery polymer having an average particle size of approximately 3,000-8,000 nm, and an aromatic vinyl-based copolymer resin; and zinc oxide having an average particle size of approximately 0.5-3 ?m and a specific surface area BET of approximately 1-10 m2/g. The thermoplastic resin composition has an excellent low gloss property, antibacterial property and the like.
    Type: Application
    Filed: May 29, 2018
    Publication date: July 23, 2020
    Inventors: Ki Rim LEE, Young Chul KWON, Dong Hui CHU
  • Patent number: 10717858
    Abstract: A thermoplastic resin composition and a molded article produced using the same. The thermoplastic resin composition includes: a styrene-based copolymer resin; a rubber-modified acrylic graft copolymer; a silicone compound-containing branched copolymer; glass fibers; and metal particles, wherein a weight ratio of the branched copolymer to the glass fibers ranges from about 1:1 to about 6:1.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 21, 2020
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Min Kyoung Ham, Young Chul Kwon, Yeon Wook Chung, Dong Hui Chu
  • Publication number: 20200216635
    Abstract: The present invention is characterized by including an aromatic vinyl-based copolymer, glass fiber, and zinc oxide, wherein the zinc oxide has an average particle size (D50) of about 0.5 to 3 ?m as measured by a particle size analyzer, and a size ratio (B/A) of peak B, spanning the range of 450 to 600 nm, to peak A, spanning the range of 370 to 390 nm, of about 0.01 to 1.0 when measuring photoluminescence. The thermoplastic resin composition exhibits excellent rigidity, antibacterial properties, weather resistance, external appearance and the like.
    Type: Application
    Filed: August 30, 2018
    Publication date: July 9, 2020
    Inventors: Dong Hui CHU, Gi Sun KIM, Young Chul KWON
  • Publication number: 20200006909
    Abstract: A laser dicing device includes: a Gaussian laser beam emitter configured to emit a Gaussian laser beam having a Gaussian energy distribution; a laser beam modulator configured to modulate a shape of the emitted Gaussian laser beam by reducing intensity in a region surrounding a first line parallel with a laser dicing direction of the emitted Gaussian beam, the first line crossing a center of the Gaussian laser beam in a plan view; a focusing lens configured to focus a modulated Gaussian laser beam modulated by the laser beam modulator; and a substrate support configured that a substrate to be diced is seated on the support, wherein the focusing lens is configured to collect the modulated Gaussian laser beam inside the substrate seated on the substrate support.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 2, 2020
    Inventors: Young-chul Kwon, Dong-woo Kang, Man-hee Han
  • Publication number: 20190359812
    Abstract: A thermoplastic resin composition and a molded article produced using the same.
    Type: Application
    Filed: May 13, 2019
    Publication date: November 28, 2019
    Inventors: Jin Seong LEE, Gi Sun KIM, Hyun Ji OH, Young Chul KWON, Hyun Taek JEONG
  • Patent number: 10479885
    Abstract: A thermoplastic resin composition includes: a first rubber-modified vinyl graft copolymer obtained by grafting a monomer mixture including an aromatic vinyl monomer and a vinyl cyanide monomer to a diene rubber polymer; a second rubber-modified vinyl graft copolymer obtained by grafting a monomer mixture including an aromatic vinyl monomer and a vinyl cyanide monomer to an acrylate rubber polymer; a first aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of about 250,000 g/mol to about 450,000 g/mol and including about 25 wt % to about 31 wt % of a repeat unit derived from a vinyl cyanide monomer; a second aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of about 70,000 g/mol to about 150,000 g/mol and including about 33 wt % to about 42 wt % of a repeat unit derived from a vinyl cyanide monomer; and a third aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of about 70,000 g/mol to about 150,000 g/mol and including abou
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 19, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Sung Oh Eim, Young Chul Kwon
  • Patent number: 10472510
    Abstract: Disclosed herein is a thermoplastic resin composition. The thermoplastic resin composition includes: a thermoplastic resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl copolymer resin; a light stabilizer including a hindered amine light stabilizer (HALS) and a benzotriazole UV stabilizer; and zinc oxide having an average particle diameter of about 0.5 ?m to about 3 ?m and a BET specific surface area of about 1 m2/g to about 10 m2/g. The thermoplastic resin composition can have good properties in terms of weather resistance, impact resistance, appearance, and/or antibacterial properties (activity).
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: November 12, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Eun Joo Lee, Young Chul Kwon
  • Publication number: 20190309156
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermal stabilizer including a rubber-modified vinyl-based graft copolymer and a phenol-based thermoplastic resin thermal stabilizer including an aromatic vinyl-based copolymer resin and a phosphorus-based thermal stabilizer; and a zinc oxide which has an average particle size of approximately 0.5 to approximately 3 ?m and a specific surface area BET of approximately 1 to approximately 10 m2/g. The thermoplastic resin composition has excellent low-odor and antibacterial properties.
    Type: Application
    Filed: December 19, 2017
    Publication date: October 10, 2019
    Inventors: Eun Joo LEE, Young Chul KWON
  • Publication number: 20190249001
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermoplastic resin comprising an acrylate rubber-modified vinyl graft copolymer and an aromatic vinyl copolymer resin; a crosslinked aromatic vinyl copolymer resin; and zinc oxide having an average particle size of about 0.3 to 3 ?m and a BET specific surface area of about 1 to 10 m2/g. The thermoplastic resin composition and the article formed therefrom are excellent in low-glossiness, weather resistance, antibacterial properties, etc.
    Type: Application
    Filed: December 21, 2017
    Publication date: August 15, 2019
    Inventors: Min Kyoung HAM, Dong Hyun PARK, Eun Joo LEE, Young Chul KWON, Yun Jeong YANG, Hyun Ji OH
  • Patent number: 10196519
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermoplastic resin comprising a (meth)acrylic resin and an aromatic vinyl-based resin; and a siloxane compound represented by the chemical formula 1. The thermoplastic resin composition has excellent scratch resistance, mar resistance, colorability, appearance characteristics and the like.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: February 5, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Byeong Yeol Kim, Yoen Kyoung Kim, Dong Hyun Park, Yeon Wook Chung, Dong Hui Chu, Young Chul Kwon, Kang Yeol Park
  • Patent number: 10118370
    Abstract: An article includes a thermoplastic resin, a metal-resin composite particle, and a pore and a method of manufacturing the article. The metal-resin composite particle includes a metal deposition layer, a first coating layer positioned on one side of the metal deposition layer, and a second coating layer positioned on the other side of the metal deposition layer, and the first and second layers include a thermosetting resin respectively.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: November 6, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon
  • Patent number: 10023734
    Abstract: A thermoplastic resin composition includes a base resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl resin, and a siloxane compound including a repeat unit represented by Formula 1 and a repeat unit represented by Formula 2, wherein the repeat unit represented by Formula 1 and the repeat unit represented by Formula 2 are present in a mole ratio of about 2: about 1 to about 4: about 1 in the siloxane compound: wherein R1 and R3 are each independently a hydrogen atom or a C1 to C5 alkyl group, R2 is a C2 to C10 alkylene group, R4 is C1 to C20 alkyl group, and Ar is a C6 to C20 aryl group.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: July 17, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Sung Min Ha, Young Chul Kwon, Byeong Yeol Kim, Yoen Kyoung Kim, Cheon Seok Yang
  • Publication number: 20180186989
    Abstract: Disclosed herein is a thermoplastic resin composition. The thermoplastic resin composition includes: a thermoplastic resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl copolymer resin; a light stabilizer including a hindered amine light stabilizer (HALS) and a benzotriazole UV stabilizer; and zinc oxide having an average particle diameter of about 0.5 ?m to about 3 ?m and a BET specific surface area of about 1 m2/g to about 10 m2/g. The thermoplastic resin composition can have good properties in terms of weather resistance, impact resistance, appearance, and/or antibacterial properties (activity).
    Type: Application
    Filed: December 27, 2017
    Publication date: July 5, 2018
    Inventors: Eun Joo LEE, Young Chul KWON
  • Patent number: 9944053
    Abstract: A laminate sheet includes at least one base layer including a first thermoplastic resin; and at least one metallic resin layer disposed on one side or both sides of the base layer and including a second thermoplastic resin and a metal-resin composite particles, wherein the first thermoplastic resin and the second thermoplastic resin are the same or different from each other, the metal-resin composite particles includes a metal deposition layer, a first coating layer positioned on one side of the metal deposition layer, and a second coating layer positioned on the other side of the metal deposition layer, and each of the first coating layer and the second coating layer includes a thermosetting resin. A method of manufacturing the laminate sheet, an article using the laminate sheet and a method of manufacturing the article are also provided.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: April 17, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon
  • Publication number: 20180086906
    Abstract: A thermoplastic resin composition includes: a first rubber-modified vinyl graft copolymer obtained by grafting a monomer mixture including an aromatic vinyl monomer and a vinyl cyanide monomer to a diene rubber polymer; a second rubber-modified vinyl graft copolymer obtained by grafting a monomer mixture including an aromatic vinyl monomer and a vinyl cyanide monomer to an acrylate rubber polymer; a first aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of about 250,000 g/mol to about 450,000 g/mol and including about 25 wt % to about 31 wt % of a repeat unit derived from a vinyl cyanide monomer; a second aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of about 70,000 g/mol to about 150,000 g/mol and including about 33 wt % to about 42 wt % of a repeat unit derived from a vinyl cyanide monomer; and a third aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of about 70,000 g/mol to about 150,000 g/mol and including abou
    Type: Application
    Filed: September 8, 2017
    Publication date: March 29, 2018
    Inventors: Sung Oh EIM, Young Chul KWON
  • Publication number: 20170327688
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermoplastic resin comprising a (meth)acrylic resin and an aromatic vinyl-based resin; and a siloxane compound represented by the chemical formula 1. The thermoplastic resin composition has excellent scratch resistance, mar resistance, colorability, appearance characteristics and the like.
    Type: Application
    Filed: November 3, 2015
    Publication date: November 16, 2017
    Inventors: Byeong Yeol KIM, Yoen Kyoung KIM, Dong Hyun PARK, Yeon Wook CHUNG, Dong Hui CHU, Young Chul KWON, Kang Yeol PARK
  • Patent number: 9816725
    Abstract: A heat exchanger usable with a ventilator, the heat exchanger having an improved structure so that air passing through the heat exchanger may be prevented from leaking. The heat exchanger of the general inventive concept includes a heat-exchanging element having a plurality of liners stacked in a uniformly spaced state and a plurality of spacers disposed between the liners to define air passages, and corner guides respectively coupled to corners of the heat-exchanging element. Each of the corner guides includes a guide channel forming a space to receive the corner of the heat-exchanging element so that the corner guides securely come into close contact with the heat-exchanging element, and to minimize a loosening of the corner guide due to an adhesive applied between the heat-exchanging element and the corner guide.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Chul Kwon, Sung Woo Kim, Euy Sung Chu, Jee Yong Kim
  • Patent number: 9790369
    Abstract: Provided is a complex material that includes a first metal deposition layer, a first thermosetting resin layer positioned on one side of the first metal deposition layer, and a second thermosetting resin layer positioned on the other side of the first metal deposition layer.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 17, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon, Seon-Ae Lee, Min-Young Lim
  • Publication number: 20170190895
    Abstract: A thermoplastic resin composition and a molded article produced using the same. The thermoplastic resin composition includes: a styrene-based copolymer resin; a rubber-modified acrylic graft copolymer; a silicone compound-containing branched copolymer; glass fibers; and metal particles, wherein a weight ratio of the branched copolymer to the glass fibers ranges from about 1:1 to about 6:1.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Min Kyoung HAM, Young Chul KWON, Yeon Wook CHUNG, Dong Hui CHU
  • Publication number: 20170121518
    Abstract: A thermoplastic resin composition includes a base resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl resin, and a siloxane compound including a repeat unit represented by Formula 1 and a repeat unit represented by Formula 2, wherein the repeat unit represented by Formula 1 and the repeat unit represented by Formula 2 are present in a mole ratio of about 2: about 1 to about 4: about 1 in the siloxane compound: wherein R1 and R3 are each independently a hydrogen atom or a C1 to C5 alkyl group, R2 is a C2 to C10 alkylene group, R4 is C1 to C20 alkyl group, and Ar is a C6 to C20 aryl group.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 4, 2017
    Inventors: Sung Min HA, Young Chul KWON, Byeong Yeol KIM, Yoen Kyoung KIM, Cheon Seok YANG