Patents by Inventor Jae Won HEO

Jae Won HEO 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: 20200181301
    Abstract: The present invention relates to a method for preparing a copolymer, comprising adding a surface-modified silica nanopowder, a vinyl cyan-based monomer, and an aromatic vinyl-based monomer and polymerizing the same, wherein the surface-modified silica nanopowder is a silica nanopowder which are surface-modified with a chain transfer agent for reversible addition-fragmentation chain transfer polymerization; a copolymer prepared according to the method; and a thermoplastic resin-molded article manufactured using the copolymer. More particularly, the present invention relates to a method for preparing a copolymer having improved heat shrinkage and reflection haze; a copolymer; and a thermoplastic resin-molded article.
    Type: Application
    Filed: October 1, 2018
    Publication date: June 11, 2020
    Inventors: Jae Won HEO, Young Min KIM
  • Patent number: 10435495
    Abstract: A copolymer includes (A) an aromatic vinyl-based monomer, (B) an unsaturated nitrile-based monomer, (C) a cross-linkable siloxane compound, and (D) an N-substituted maleimide-based monomer to realize a synergistic effect of matting characteristics and heat resistance properties. A thermoplastic resin composition including the copolymer, and a molded article including the thermoplastic resin composition are provided.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: October 8, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Joo Hyun Jang, Jae Won Heo, Bo Eun Kim, Kwang Soo Park, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Publication number: 20190233568
    Abstract: Provided are a method of preparing a graft copolymer, a graft copolymer, and a thermoplastic resin molded article. The method of preparing a graft copolymer includes 1) adding a conjugated diene-based monomer and performing polymerization to prepare a conjugated diene-based polymer; and 2) adding the conjugated diene-based polymer, an aromatic vinyl monomer, and a vinyl cyan monomer and performing polymerization to prepare a graft copolymer, wherein an emulsifier having an APHA color value of 50 or less and a critical micelle concentration of 1 to 50 g/l is added, so that excellent polymerization stability, colorability, light resistance, and surface clarity are exhibited.
    Type: Application
    Filed: September 20, 2018
    Publication date: August 1, 2019
    Inventors: Yoo Vin KIM, Young Min KIM, Jin Hyoung LEE, Su Jeong HAN, Young Hwan JEONG, Jae Min SUK, Jae Won HEO
  • Patent number: 10286750
    Abstract: An apparatus is provided for simultaneously measuring interior temperature and fine dust in a vehicle. The apparatus measures interior temperature of a vehicle and fine dust in the air simultaneously by controlling flow rate of the interior air through a structure for changing air flow rate and making a division between a temperature sensing region and a dust sensing region based on a flow rate difference that occurs based on the structure for changing air flow rate.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: May 14, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: June Kyu Park, Dong Won Yeon, Jong Sik Bae, Jae Won Heo, Sang Yeop Lee
  • Publication number: 20190023894
    Abstract: The present invention relates to a method of preparing an ABS-based graft copolymer having improved impact strength and an ABS-based injection-molded article including the same. More particularly, the present invention provides an ABS-based copolymer resin having improved impact strength by optimizing structures of large-diameter diene-based rubber latex particles and a matrix structure between ABS-based copolymer particles and a SAN resin through introduction of a multimeric acid of an unsaturated fatty acid or a metal salt thereof as an emulsifier in a large-diameter diene-based rubber latex polymerization step and an ABS graft polymerization step.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 24, 2019
    Inventors: Su Jeong HAN, Young Min KIM, Jin Hyoung LEE, Yoo Vin KIM, Young Hwan JEONG, Sun Haeng CHUNG, Jae Min SUK, Jae Won HEO
  • Publication number: 20190016841
    Abstract: The present invention relates to a method of preparing an ABS-based resin composition and a method of manufacturing an ABS-based injection-molded article including the same. More particularly, the present invention provides a method of preparing an ABS-based resin composition using a multimeric acid of unsaturated fatty acid or a metal salt thereof, as an emulsifier, in a diene-based rubber latex polymerization step and an ABS-based graft polymerization step. In accordance with the present invention, when an ABS-based resin composition is prepared using a multimeric acid of unsaturated fatty acid or a metal salt thereof as an emulsifier, stability of polymerization is secured and surface characteristics, such as surface gloss or sharpness, of an ABS-based injection-molded article are improved.
    Type: Application
    Filed: August 1, 2017
    Publication date: January 17, 2019
    Inventors: Su Jeong HAN, Young Min KIM, Jin Hyoung LEE, Yoo Vin KIM, Young Hwan JEONG, Sun Haeng CHUNG, Jae Min SUK, Jae Won HEO
  • Patent number: 10170961
    Abstract: A blower motor of a heating, ventilating and air conditioning (HVAC) system for a vehicle includes: a base including an introduction path to introduce air into the base and a substrate having a plurality of elements attached to the substrate, and a heat sink formed to have a plate shape in surface contact with one surface of the substrate and having a contact surface contacting the air introduced through the introduction path and configured to guide the introduced air to heat generation parts formed on the contact surface.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: January 1, 2019
    Assignees: Hyundai Motor Company, Hanon Systems, Hyoseong Electric Co., Ltd.
    Inventors: Dong Won Yeon, Jae Won Heo, Sang Yeop Lee, June Kyu Park, Jong Sik Bae, Dong Gyun Kim, Jin Gun Jung
  • Publication number: 20180362750
    Abstract: A method of preparing a diene-based rubber latex, a method of preparing an ABS-based graft copolymer including the same, and a method of manufacturing an ABS-based injection-molded article include preparing an in-situ bimodal rubber latex, in which a small-diameter polymer and a large-diameter polymer are formed in a desired ratio, by controlling contents, addition time points, and types of reactants when a conjugated diene based monomer, a crosslinking agent with a long linear chain end, an emulsifier including a multimeric acid of an unsaturated fatty acid or a metal salt thereof, and a molecular weight regulator are polymerized.
    Type: Application
    Filed: August 1, 2017
    Publication date: December 20, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Jin Hyoung LEE, Young Min KIM, Su Jeong HAN, Yoo Vin KIM, Young Hwan JEONG, Sun Haeng CHUNG, Jae Min SUK, Jae Won HEO
  • Patent number: 9902850
    Abstract: A thermoplastic resin composition includes (A) a rubber-modified vinyl-based graft copolymer, (B) a silicone-modified aromatic vinyl-based copolymer, and (C) an aromatic vinyl-unsaturated nitrile-based copolymer. The thermoplastic resin composition can exhibit low-gloss characteristics and a synergistic effect of impact resistance and heat resistance.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: February 27, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Kwang Soo Park, Jae Won Heo, Young Sub Jin
  • Patent number: 9856371
    Abstract: A thermoplastic resin composition includes (A) a graft rubber copolymer, (B) an aromatic vinyl-vinyl cyanide-based copolymer, and (C) a silicone-modified aromatic vinyl-vinyl cyanide-based copolymer. The silicone-modified aromatic vinyl-vinyl cyanide-based copolymer (C) has an average particle size of about 100 ?m or less.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 2, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Jae Won Heo, Kwang Soo Park, Yu Jin Jung, Young Sub Jin
  • Patent number: 9850333
    Abstract: A copolymer capable of realizing a synergistic effect of matting characteristics and heat resistance properties includes two or more types of compounds including at least two unsaturated reactive groups. A thermoplastic resin composition including the copolymer is also provided.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 26, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Joo Hyun Jang, Jae Won Heo, Il Jin Kim, Kwang Soo Park, Natarajan Senthilkumar, Tae Gon Kang, Bo Eun Kim, Jun Sung Oh
  • Patent number: 9796841
    Abstract: An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a silicone compound having at least two unsaturated reactive groups; and a C4 to C20 linear or branched alkyl group-containing acrylic compound. A thermoplastic resin composition including the aromatic vinyl copolymer can have excellent matting properties, impact resistance, flowability, and balance therebetween.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jae Won Heo, Joo Hyun Jang, Kwang Soo Park, Bo Eun Kim, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Publication number: 20170264177
    Abstract: A brushless direct current (BLDC) motor assembly may include a wheel provided to receive and discharge outside air, and having a coupling region defined therein, a rotor fixedly coupled in the coupling region to be integrated in the coupling region, the wheel being rotated by torque generated according to rotation of the rotor by a magnetic force, and a stator generating a magnetic force by interacting with the rotor, and comprising a stator core, a coil, and an insulator disposed between the stator core and the coil for integral coupling with the stator core and the coil, in which the stator may allow the insulator to be coupled to the rotor after a shaft is fixed to the insulator.
    Type: Application
    Filed: December 13, 2016
    Publication date: September 14, 2017
    Applicant: Hyundai Motor Company
    Inventors: Sang Yeop Lee, Jae Won Heo, June Kyu Park, Jong Sik Bae, Dong Won Yeon, Byung Guk An, Yeong ll Ahn, Ki Youb Nam
  • Patent number: 9745457
    Abstract: An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a first silicone compound having a weight average molecular weight of about 150 g/mol to less than about 6,000 g/mol and including at least two unsaturated reactive groups; and a second silicone compound having a weight average molecular weight of about 6,000 g/mol to about 100,000 g/mol and including at least two unsaturated reactive groups. A thermoplastic resin composition including the aromatic vinyl copolymer can exhibit excellent matting properties, impact resistance, and balance therebetween.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 29, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Joo Hyun Jang, Jae Won Heo, Bo Eun Kim, Kwang Soo Park, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Publication number: 20170158020
    Abstract: An apparatus is provided for simultaneously measuring interior temperature and fine dust in a vehicle. The apparatus measures interior temperature of a vehicle and fine dust in the air simultaneously by controlling flow rate of the interior air through a structure for changing air flow rate and making a division between a temperature sensing region and a dust sensing region based on a flow rate difference that occurs based on the structure for changing air flow rate.
    Type: Application
    Filed: August 11, 2016
    Publication date: June 8, 2017
    Inventors: June Kyu Park, Dong Won Yeon, Jong Sik Bae, Jae Won Heo, Sang Yeop Lee
  • Publication number: 20170133913
    Abstract: A blower motor of a heating, ventilating and air conditioning (HVAC) system for a vehicle includes: a base including an introduction path to introduce air into the base and a substrate having a plurality of elements attached to the substrate, and a heat sink formed to have a plate shape in surface contact with one surface of the substrate and having a contact surface contacting the air introduced through the introduction path and configured to guide the introduced air to heat generation parts formed on the contact surface.
    Type: Application
    Filed: October 13, 2016
    Publication date: May 11, 2017
    Inventors: Dong Won Yeon, Jae Won Heo, Sang Yeop Lee, June Kyu Park, Jong Sik Bae, Dong Gyun Kim, Jin Gun Jung
  • Patent number: 9580528
    Abstract: A method for preparing a tetrapolymer includes preparing a suspension including an aromatic vinyl-based monomer, an unsaturated nitrile-based monomer, an N-substituted maleimide-based monomer, an ?-alkyl styrene-based monomer, and an inorganic dispersing agent, and polymerizing the suspension. The method for preparing a tetrapolymer can be useful in lowering a reaction temperature using suspension polymerization, and reducing a reaction time, thereby maximizing productivity. A tetrapolymer prepared by the method is also provided.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae Won Heo, Joo Hyun Jang, Bo Eun Kim, Kwang Soo Park, Natarajan Senthilkumar, Young Sub Jin
  • Patent number: 9522994
    Abstract: Disclosed herein are a vinyl copolymer and a thermoplastic resin composition including the same. The vinyl copolymer is prepared by copolymerization of (A) an aromatic vinyl monomer, (B) a vinyl cyanide monomer, and (C) a dimaleimide monomer.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 20, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Jae Won Heo, Kwang Soo Park, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Patent number: 9365671
    Abstract: Provided are a styrene-based copolymer prepared from a mixture including (A) an aromatic vinyl-based compound, (B) an unsaturated nitrile-based compound, and (C) a silicone-based compound having two or more unsaturated reactive groups to thereby be capable of implementing a uniform and excellent low gloss property with minimal or no deterioration of physical properties such as impact resistance, heat resistance, and the like, and a thermoplastic resin composition including the same.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: June 14, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Jae Won Heo, Kwang Soo Park, Natarajan Senthilkumar, Il Jin Kim, Jun Sung Oh
  • Publication number: 20160152113
    Abstract: A door structure for an air conditioner of a vehicle includes an indoor/outdoor air door having a dome shape. An outdoor air door has a plate shape and adjusts the amount of outdoor air introduced into the vehicle. First and second counter-flow preventing ribs are disposed vertically between the dome shaped indoor/outdoor air door and the plate shaped outdoor air door. The first counter-flow preventing rib is mounted to a first hinge which is connected to one end of the plate shaped outdoor air door. The second counter-flow preventing rib is mounted to be close to another end of the plate shaped outdoor air door. An air conditioning filter is disposed below the dome shaped indoor/outdoor air door, the plate shaped outdoor air door, and the first and second counter-flow preventing ribs and filters the introduced indoor air or outdoor air.
    Type: Application
    Filed: April 7, 2015
    Publication date: June 2, 2016
    Applicants: HALLA VISTEON CLIMATE CONTROL CORP., HYUNDAI MOTOR COMPANY
    Inventors: Yong Chul KIM, Su Yeon KANG, Jae Won HEO, Sung Hae PARK, Jae Sik CHOI, Hak Kyu KIM, Jung Jae LEE, Sang Ki LEE