Patents by Inventor Kyeong Hoon Jang

Kyeong Hoon Jang 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: 20200017705
    Abstract: Disclosed is a coating material for a coating layer of an injection mold, the coating material including 100 parts by weight of a resin composition and about 30 to 40 parts by weight of a curing agent. The resin composition includes an amount of about 40 to 50 wt % of a first acrylic resin, an amount of about 5 to 15 wt % of a second acrylic resin having a weight average molecular weight less than a weight average molecular weight of the first acrylic resin, an amount of about 10 to 15 wt % of a carbon component, an amount of about 0.5 to 2 wt % of a matting agent, an amount of about 0.1 to 0.3 wt % of a catalyst and an amount of about 20 to 35 wt % of a solvent, all the wt % are based on the total weight of the resin composition.
    Type: Application
    Filed: November 5, 2018
    Publication date: January 16, 2020
    Inventors: Kyeong Hoon Jang, In Soo Han, Dae Sik Kim, Jae Hyun An, Seul Yi, Ik Jin Jung, Ju Seong Park, Soon Joon Jung, Seung Sik Han, Jae Beom Ahn, Yong Chul Lee, Kie Moon Sung, Soon Gi Kim, Hak Soon Choi
  • Publication number: 20190194435
    Abstract: A polypropylene resin composition may include an amount of 40 to 60 wt % of a polypropylene resin, an amount of 1 to 10 wt % of a polyethylene resin, an amount of 10 to 20 wt % of an olefin elastomer, and an amount of 1 to 20 wt % of a reinforcing material wherein all the wt % are based on the total weight of the polypropylene resin composition. Accordingly, a high gloss may be obtained without a coating process and moldability of the polypropylene resin may be obtained. Further provided is a molded article of an interior material or an exterior material of a vehicle manufactured by using the polypropylene resin composition.
    Type: Application
    Filed: August 12, 2018
    Publication date: June 27, 2019
    Inventors: Kyeong Hoon Jang, Dae Sik Kim, Jaehyun An, Seul Yi, In Soo Han, Eun Seob Shin, Beom Ho Kim, Hyeok Lee
  • Publication number: 20190169419
    Abstract: Disclosed is a polypropylene resin composition for an uncoated crash pad. The composition may include an amount of about 50 to 80 wt % of a polypropylene resin having a Polydispersity Index (PI) of about 4.5 to 6.5, a weight average molecular weight of about 200,000 to 350,000 g/mol, and an isotactic peptide fraction of about 96% or greater as measured by a C13-NMR method, an amount of about 1 to 30 wt % of rubber having a melt index of about 1 to 6 g/10 min (230° C., 2.16 Kg), an amount of about 11 to 30 wt % of an inorganic filler composed of a mixture of an amount of about 10 to 20 wt % of talc and an amount of about 1 to 10 wt % of whisker, and an amount of about 1 to 5 wt % of an anti-scratch agent, all the wt % are based on the total weight of the polypropylene resin composition.
    Type: Application
    Filed: October 19, 2018
    Publication date: June 6, 2019
    Inventors: Kyeong Hoon Jang, Boo Youn An, In Soo Han, Dae Sik Kim, Seul Yi, Byoung Ho Lee, Choul Ho Kim
  • Patent number: 10138371
    Abstract: Disclosed is a resin composition for forming a steering wheel remote control bezel. The resin composition comprises: an amount of about 40 to 50 wt % of a polyester copolymer including a dicarboxylic acid component residue including terephthalic acid and a diol component residue including dianhydrohexitol; an amount of about 10 to 20 wt % of at least one copolymer selected from a group consisting of unsaturated nitrile-diene-based rubber-aromatic vinyl grafted copolymers and alkylmethacrylate-diene-based rubber-aromatic vinyl grafted copolymers; and an amount of about 40 to 50 wt % of polycarbonate. Further, an amount of 0.1 to 0.5 parts by weight of a phosphate base antioxidant-based on 100 parts by weight of the resin composition is further added to the resin composition.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: November 27, 2018
    Assignees: SK Chemicals Co., Ltd., Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong-Cheol Sohn, Jong Ryang Kim, Tae-Woong Lee, Jong-Wook Shin, Han Ki Lee, Kyeong Hoon Jang, Dae Sik Kim, Myoung Ryoul Lee, Hak Soo Kim, Jung Gyun Noh
  • Publication number: 20180002505
    Abstract: Provided herein is a composition of a polypropylene resin with improved foaming capability with improved foaming capability, such as a polypropylene comprising a foaming agent master batch and a highly flowable polypropylene resin having non-controlled rheology. The resin composition exhibits excellent foaming quality and can be easily injected. The polypropylene resin with improved foaming capability comprises a mixture comprising from about 50% to about 80% by weight of a polypropylene resin having a mean molecular weight of about 45,000 g/mol to about 180,000 g/mol, from about 15% to about 30% by weight of a fiber reinforcing agent, and from about 2% to about 20% by weight of a foaming agent.
    Type: Application
    Filed: November 30, 2016
    Publication date: January 4, 2018
    Applicants: Hyundai Motor Company, LOTTE CHEMICAL CORPORATION
    Inventors: Boo-Youn AN, Dae-Sik KIM, In-Soo HAN, Kyeong-Hoon JANG, Seul YI, Seong-Min JO, Eun-Hwa JANG, Yeong-Beom KIM
  • Patent number: 9809691
    Abstract: A polyolefin composite composition is used in an automotive air duct. The polyolefin composite composition is useful as an automotive air duct component material due to excellent mechanical property, heat resistance, and foaming property as a composition in which a polyethylene resin and a long chain branched polypropylene resin having low crystallization of 45% or less are included as a base resin.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: November 7, 2017
    Assignees: Hyundai Motor Company, Lotte Chemical Corporation, Kia Motors Corporation
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, In Soo Han, You Jin Park, Byung Kook Nam, Hyeung Shin Lee, Hyun Jin Kim
  • Publication number: 20170267826
    Abstract: A polyolefin composite composition is used in an automotive air duct. The polyolefin composite composition is useful as an automotive air duct component material due to excellent mechanical property, heat resistance, and foaming property as a composition in which a polyethylene resin and a long chain branched polypropylene resin having low crystallization of 45% or less are included as a base resin.
    Type: Application
    Filed: October 4, 2016
    Publication date: September 21, 2017
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, In Soo Han, You Jin Park, Byung Kook Nam, Hyeung Shin Lee, Hyun Jin Kim
  • Patent number: 9758654
    Abstract: A polypropylene resin composition, particularly, an olefin-based polypropylene resin composition includes: about 50 to 70% by weight of a high crystalline polypropylene; about 10 to 20% by weight of a reactor made thermoplastic polyolefin (RTPO) polypropylene; about 5 to 20% by weight of an inorganic filler; about 10 to 20% by weight of a rubber elastomer; and about 3% by weight or less of a slip agent, based on the total weight of the composition. The composition provides excellent physical properties such as high strength and impact resistance, and thus superior resistance to damage, and shows low gloss characteristics and excellent fluidity. The polypropylene resin composition is used as interior and exterior materials for vehicles.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: September 12, 2017
    Assignees: Hyundai Motor Company, Daeha Co., Ltd.
    Inventors: Kyeong-Hoon Jang, Dae-Sik Kim, Han-Ki Lee, Hak-Soo Kim, Jung-Gyun Noh, Tae-Sik Lee, Im-Taek Sung, Kyung-Beom Seo
  • Publication number: 20160347950
    Abstract: Disclosed is a resin composition for forming a steering wheel remote control bezel. The resin composition comprises: an amount of about 40 to 50 wt % of a polyester copolymer including a dicarboxylic acid component residue including terephthalic acid and a diol component residue including dianhydrohexitol; an amount of about 10 to 20 wt % of at least one copolymer selected from a group consisting of unsaturated nitrile-diene-based rubber-aromatic vinyl grafted copolymers and alkylmethacrylate-diene-based rubber-aromatic vinyl grafted copolymers; and an amount of about 40 to 50 wt % of polycarbonate. Further, an amount of 0.1 to 0.5 parts by weight of a phosphate base antioxidant-based on 100 parts by weight of the resin composition is further added to the resin composition.
    Type: Application
    Filed: February 6, 2015
    Publication date: December 1, 2016
    Inventors: Dong-Cheol Sohn, Jong Ryang Kim, Tae-Woong Lee, Jong-Wook Shin, Han Ki Lee, Kyeong Hoon Jang, Dae Sik Kim, Myoung Ryoul Lee, Hak Soo Kim, Jung Gyun Noh
  • Publication number: 20160122536
    Abstract: A chemical resistant polymer resin composition for an overhead console includes a polyester resin including a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing 5 to 60 mol % of isosorbide, 5 to 80 mol % of cyclohexanedimethanol, and a residual amount of other diol compounds; polycarbonate; and an unsaturated nitrile-aromatic vinyl-alkylacrylate graft copolymer based on the total weight of the polyester resin, polycarbonate, and unsaturated nitrile-aromatic vinyl-alkylacrylate graft copolymer. The composition further includes 0.1 to 10 parts by weight of a weather resistant additive, based on 100 parts by weight of the polyester resin, polycarbonate, and unsaturated nitrile-aromatic vinyl-alkylacrylate graft copolymer.
    Type: Application
    Filed: October 27, 2015
    Publication date: May 5, 2016
    Applicants: HYUNDAI MOTOR COMPANY, SK CHEMICALS CO., LTD.
    Inventors: Dong-Cheol SOHN, Kye Yune LEE, Jong-Wook SHIN, Han Ki LEE, Kyeong Hoon JANG, Hak Soo KIM
  • 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
  • Patent number: 9139725
    Abstract: Disclosed is a polypropylene resin composition for automobile interior trim parts with superior paint adhesivity and low specific gravity. More specifically, a polypropylene resin composition for automobile interior trim parts having superior paint adhesivity and low specific gravity is disclosed, wherein a base resin including polypropylene, a propylene-ethylene copolymer or a mixture thereof is mixed with a reinforcer including magnesium hydroxide and an ethylene-butene elastomer. The present polypropylene resin composition allows for direct painting of an automobile interior trim part surface without primer treatment and provides excellent resistance to damage caused by impact.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: September 22, 2015
    Assignees: Hyundai Motor Company, Kia Motor Corporation, Daeha Co., Ltd.
    Inventors: Jung Gyun Noh, Kyeong Hoon Jang, Hak Soo Kim, Han Ki Lee, Kyung Beom Seo, Han Pyol Kim, Im Taek Sung
  • Publication number: 20150259528
    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: Application
    Filed: December 12, 2014
    Publication date: September 17, 2015
    Inventors: Kyeong Hoon JANG, Dae Sik Kim, Jeong Min Lee, Kee Hae Kwon, Do Kyoon Kim
  • Patent number: 9115278
    Abstract: Disclosed are a polyolefin-based resin composition having excellent scratch resistance and low glossiness, a preparation method thereof, and automobile interior and exterior materials fabricated therefrom. The polyolefin-based resin composition comprises about 56 to 97% by weight of a polypropylene block copolymer resin, about 1 to 9% by weight of a thermoplastic elastomer rubber, about 1 to 30% by weight of an inorganic filler, and about 1 to 5% by weight of a fluoroacrylamide-based copolymer based on a total weight of the composition.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: August 25, 2015
    Assignees: Hyundai Motor Company, Lotte Chemical Corporation
    Inventors: Hak-Soo Kim, Kyeong-Hoon Jang, Dae-Sik Kim, Jung-Gyun Noh, Han-Ki Lee, Sung-Min Cho, Kyung-Hoon Kim, Byung-Kook Nam
  • Publication number: 20140206806
    Abstract: Disclosed are a polyolefin-based resin composition having excellent scratch resistance and low glossiness, a preparation method thereof, and automobile interior and exterior materials fabricated therefrom. The polyolefin-based resin composition comprises about 56 to 97% by weight of a polypropylene block copolymer resin, about 1 to 9% by weight of a thermoplastic elastomer rubber, about 1 to 30% by weight of an inorganic filler, and about 1 to 5% by weight of a fluoroacrylamide-based copolymer based on a total weight of the composition.
    Type: Application
    Filed: June 21, 2013
    Publication date: July 24, 2014
    Inventors: Hak-Soo Kim, Kyeong-Hoon Jang, Dae-Sik Kim, Jung-Gyun Noh, Han-Ki Lee, Sung-Min Cho, Kyung-Hoon Kim, Byung-Kook Nam
  • Publication number: 20140187694
    Abstract: Disclosed is a polypropylene resin composition and interior and exterior materials for vehicles using the same, particularly an olefin-based polypropylene resin composition including: about 50 to 70% by weight of a high crystalline polypropylene; about 10 to 20% by weight of a reactor made thermoplastic polyolefin (RTPO) polypropylene; about 5 to 20% by weight of an inorganic filler; about 10 to 20% by weight of a rubber elastomer; and about 3% by weight or less of a slip agent, based on the total weight of the composition. The composition provides excellent physical properties such as high strength and impact resistance, and thus superior resistance to damage, and shows low gloss characteristics and excellent fluidity.
    Type: Application
    Filed: June 6, 2013
    Publication date: July 3, 2014
    Inventors: Kyeong-Hoon Jang, Dae-Sik Kim, Han-Ki Lee, Hak-Soo Kim, Jung-Gyun Noh, Tae-Sik Lee, Im-Taek Sung, Kyung-Beom Seo
  • Publication number: 20140135440
    Abstract: Disclosed is a polypropylene resin composition for automobile interior trim parts with superior paint adhesivity and low specific gravity. More specifically, a polypropylene resin composition for automobile interior trim parts having superior paint adhesivity and low specific gravity is disclosed, wherein a base resin including polypropylene, a propylene-ethylene copolymer or a mixture thereof is mixed with a reinforcer including magnesium hydroxide and an ethylene-butene elastomer. The present polypropylene resin composition allows for direct painting of an automobile interior trim part surface without primer treatment and provides excellent resistance to damage caused by impact.
    Type: Application
    Filed: May 21, 2013
    Publication date: May 15, 2014
    Inventors: Jung Gyun Noh, Kyeong Hoon Jang, Hak Soo Kim, Han Ki Lee, Kyung Beom Seo, Han Pyol Kim, Im Taek Sung
  • Patent number: 8669342
    Abstract: The invention provides a non-painting and high-gloss polycarbonate resin composition. Specifically, the invention provides a polycarbonate resin composition having a superior impact strength, heat-resistance, electric characteristics, weather resistance, and light resistance. In certain embodiments, the resin composition of the invention is obtained by mixing a butadiene-based impact modifier, such as acrylonitrile-butadiene-styrene (ABS) or methacrylate-butadiene-styrene and an acryl-based impact modifier in polycarbonate resin, followed by adding an ultraviolet (UV) absorbent to the mixture.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: March 11, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation, LG Chem. Ltd.
    Inventors: Dae Sik Kim, Jung Gyun Noh, Kyeong Hoon Jang, Hyun Joon Choi, Yong Kim, Sung Tae Ahn, Min Han Kwak
  • Publication number: 20140045968
    Abstract: The invention provides a non-painting and high-gloss polycarbonate resin composition. Specifically, the invention provides a polycarbonate resin composition having a superior impact strength, heat-resistance, electric characteristics, weather resistance, and light resistance. In certain embodiments, the resin composition of the invention is obtained by mixing a butadiene-based impact modifier, such as acrylonitrile-butadiene-styrene (ABS) or methacrylate-butadiene-styrene and an acryl-based impact modifier in polycarbonate resin, followed by adding an ultraviolet (UV) absorbent to the mixture.
    Type: Application
    Filed: December 12, 2012
    Publication date: February 13, 2014
    Applicants: HYUNDAI MOTOR COMPANY, LG CHEM. LTD., KIA MOTORS CORPORATION
    Inventors: Dae Sik Kim, Jung Gyun Noh, Kyeong Hoon Jang, Hyun Joon Choi, Yong Kim, Sung Tae Ahn, Min Han Kwak
  • Patent number: 8367753
    Abstract: According to preferred aspects, the present invention provides a polypropylene resin composition for creating a fabric texture, the polypropylene resin composition comprising: a polypropylene resin containing at least two selected from the group consisting of a homopolypropylene, a propylene-ethylene copolymer, and a high crystalline polypropylene (HCPP); a polypropylene elastomer; an ethylene-?-olefin copolymer; an inorganic filler; a cellulose fiber; and a volcanic rock. A molded product prepared using the polypropylene resin composition of the present invention has matt properties, do not cause odor due to their excellent VOC adsorption capabilities, and have excellent properties such as low temperature impact resistance, scratch resistance, etc.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: February 5, 2013
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Engineering Plastics Co., Ltd.
    Inventors: Jung Gyun Noh, Dae Sik Kim, Kyeong Hoon Jang, Byung-Woo Ahn, Jeong-Yeol Yu