Patents by Inventor Taek-Jun JUNG
Taek-Jun JUNG 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: 20240075853Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.Type: ApplicationFiled: April 13, 2023Publication date: March 7, 2024Applicants: Hyundai Motor Company, Kia Corporation, DAS CO., LTD, Faurecia Korea, Ltd., Hyundai Transys Inc.Inventors: Sang Soo LEE, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Sang Do PARK, Chan Ho JUNG, Dong Hoon LEE, Hea Yoon KANG, Deok Soo LIM, Seung Pil JANG, Seon Ho KIM, Jong Seok YUN, Hyo Jin KIM, Dong Gyu SHIN, Jin Ho SEO, Young Jun KIM, Taek Jun NAM
-
Publication number: 20210238407Abstract: The present invention provides a thermoplastic resin composition which includes: a first copolymer including a core including a conjugated diene-based polymer and a shell including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit; and a second copolymer including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit, wherein the first copolymer has a degree of grafting of 32 to 50%, the second copolymer has a weight-average molecular weight of 85,000 to 115,000 g/mol, and the thermoplastic resin composition includes the first copolymer at 30 wt % or less and an oligomer residue at 1.1 wt % or less. Specifically, the thermoplastic resin composition can shorten an injection molding time.Type: ApplicationFiled: September 11, 2019Publication date: August 5, 2021Inventors: Seo Hwa KIM, Byoung Il KANG, Eun Jung CHOI, Taek Jun JUNG, Jeong In CHO, Dong Kun SHIN
-
Patent number: 10829635Abstract: The present disclosure relates to an economical method of preparing a resin composition including a polyalkylene carbonate with improved thermal stability and processability. More specifically, the method of preparing a resin composition includes the steps of polymerizing carbon dioxide and an epoxide compound in the presence of a zinc-based catalyst and a solvent, recovering monomers, removing the catalyst and recovering raw materials, solution-blending with a thermostable resin to improve the thermal stability and processability, and removing the solvent and byproducts from the reaction mixture by using an agitated flash drum and an extrusion or kneader-type devolatilizer.Type: GrantFiled: March 8, 2017Date of Patent: November 10, 2020Assignee: LG Chem, Ltd.Inventors: Jun Wye Lee, Seung Young Park, Jin Woo Lee, Hyun Ju Cho, Jung Min Sohn, Yoon Jung Kim, Bo Hyun Seong, Taek Jun Jung, Yun Ki Cho, Yong Hee An, Sung-Kyoung Kim, Hyun Min Kim
-
Patent number: 10457773Abstract: A method of preparing a polyalkylene carbonate resin is provided. More particularly, a method of preparing a polyalkylene carbonate resin capable of preventing polymer degradation and improving physical properties and quality of a final resin product, in which, after polymerization of polyalkylene carbonate, by-products are removed by using a large amount of water to purify a reaction mixture, and in a subsequence process of removing a catalyst residue, a primary purification method is conducted by using a filter so that a content of the catalyst in the reaction mixture is less than 1% by weight, is provided.Type: GrantFiled: December 8, 2015Date of Patent: October 29, 2019Assignee: LG Chem, Ltd.Inventors: Jung Min Sohn, Seung Young Park, Jin Woo Lee, Yoon Jung Kim, Taek Jun Jung, Yun Ki Cho, Yong Hee An, Jun Wye Lee
-
Publication number: 20180305542Abstract: The present disclosure relates to an economical method of preparing a resin composition including a polyalkylene carbonate with improved thermal stability and processability. More specifically, the method of preparing a resin composition includes the steps of polymerizing carbon dioxide and an epoxide compound in the presence of a zinc-based catalyst and a solvent, recovering monomers, removing the catalyst and recovering raw materials, solution-blending with a thermostable resin to improve the thermal stability and processability, and removing the solvent and byproducts from the reaction mixture by using an agitated flash drum and an extrusion or kneader-type devolatilizer.Type: ApplicationFiled: March 8, 2017Publication date: October 25, 2018Applicant: LG CHEM, LTD.Inventors: Jun Wye LEE, Seung Young PARK, Jin Woo LEE, Hyun Ju CHO, Jung Min SOHN, Yoon Jung KIM, Bo Hyun SEONG, Taek Jun JUNG, Yun Ki CHO, Yong Hee AN, Sung-Kyoung KIM, Hyun Min KIM
-
Publication number: 20170226284Abstract: A method of preparing a polyalkylene carbonate resin is provided. More particularly, a method of preparing a polyalkylene carbonate resin capable of preventing polymer degradation and improving physical properties and quality of a final resin product, in which, after polymerization of polyalkylene carbonate, by-products are removed by using a large amount of water to purify a reaction mixture, and in a subsequence process of removing a catalyst residue, a primary purification method is conducted by using a filter so that a content of the catalyst in the reaction mixture is less than 1% by weight, is provided.Type: ApplicationFiled: December 8, 2015Publication date: August 10, 2017Applicant: LG CHEM, LTD.Inventors: Jung Min SOHN, Seung Young PARK, Jin Woo LEE, Yoon Jung KIM, Taek Jun JUNG, Yun Ki CHO, Yong Hee AN, Jun Wye LEE
-
Patent number: 9458285Abstract: This disclosure relates to a method for preparing polyalkylenecarbonate. More specifically, in the method for preparing polyalkylenecarbonate, by using a solution polymerization with a specific heterogeneous catalyst and a solvent in the polymerization process of an epoxide compound and carbon dioxide, the products of side-reaction are reduced, removal of metal residues and by-products from the products is facilitated, danger due to overheating of the reactants is minimized, and heat removal and process stability are improved, and thus, high molecular weight copolymer may be easily provided, and mass production and scale-up are easy.Type: GrantFiled: May 27, 2014Date of Patent: October 4, 2016Assignee: LG Chem, Ltd.Inventors: Yoon-Jung Kim, Seung Young Park, Taek-Jun Jung, Yun-ki Cho
-
Patent number: 9447236Abstract: The present invention relates to a method of manufacturing polyalkylene carbonate. More specifically, the method of manufacturing polyalkylene carbonate includes solution-polymerizing an epoxide compound and carbon dioxide in the presence of a cobalt complex having a neutral singe-site as a catalyst and a solvent, thereby providing stability and adjusting degree of polymerization and being advantageous for performing a post-treatment process after polymerization.Type: GrantFiled: May 27, 2014Date of Patent: September 20, 2016Assignee: LG Chem, Ltd.Inventors: Yoon-Jung Kim, Seung Young Park, Taek-Jun Jung, Yun-Ki Cho
-
Patent number: 9403940Abstract: This disclosure relates to polyalkylene carbonate resin that inhibits decomposition of resin resulting from back-biting and the like when heat treated, and thus exhibits improved thermal stability, and a method for preparing the same. The polyalkylene carbonate resin may comprise a basic polyalkylene carbonate based repeat unit, a polyalkyleneglycol based repeat unit, and the polyalkylene carbonate repeat unit crosslinked by a specific compound.Type: GrantFiled: September 5, 2014Date of Patent: August 2, 2016Assignee: LG Chem, Ltd.Inventors: Yoon Jung Kim, Bo Hyun Seong, Taek Jun Jung, Yun Ki Cho, Seung Young Park
-
Publication number: 20150274882Abstract: This disclosure relates to a method for preparing polyalkylenecarbonate. More specifically, in the method for preparing polyalkylenecarbonate, by using a solution polymerization with a specific heterogeneous catalyst and a solvent in the polymerization process of an epoxide compound and carbon dioxide, the products of side-reaction are reduced, removal of metal residues and by-products from the products is facilitated, danger due to overheating of the reactants is minimized, and heat removal and process stability are improved, and thus, high molecular weight copolymer may be easily provided, and mass production and scale-up are easy.Type: ApplicationFiled: May 27, 2014Publication date: October 1, 2015Inventors: Jung Yoon Kim, Seung Young Park, Taek-Jun Jung, Yun-ki Cho
-
Publication number: 20150259474Abstract: This disclosure relates to polyalkylene carbonate resin that inhibits decomposition of resin resulting from back-biting and the like when heat treated, and thus exhibits improved thermal stability, and a method for preparing the same. The polyalkylene carbonate resin may comprise a basic polyalkylene carbonate based repeat unit, a polyalkyleneglycol based repeat unit, and the polyalkylene carbonate repeat unit crosslinked by a specific compound.Type: ApplicationFiled: September 5, 2014Publication date: September 17, 2015Inventors: Yoon Jung Kim, Bo Hyun Seong, Taek Jun Jung, Yun Ki Cho, Seung Young Park
-
Publication number: 20150218310Abstract: The present invention relates to a method of manufacturing polyalkylene carbonate. More specifically, the method of manufacturing polyalkylene carbonate includes solution-polymerizing an epoxide compound and carbon dioxide in the presence of a cobalt complex having a neutral singe-site as a catalyst and a solvent, thereby providing stability and adjusting degree of polymerization and being advantageous for performing a post-treatment process after polymerization.Type: ApplicationFiled: May 27, 2014Publication date: August 6, 2015Inventors: Yoon-Jung Kim, Seung Young Park, Taek-Jun Jung, Yun-Ki Cho
-
Patent number: 9075269Abstract: An array substrate includes a substrate; gate lines over the substrate along a first direction; data lines over the substrate along a second direction and crossing the gate lines to define pixel regions; a thin film transistor at each crossing portion of the gate and data lines; an insulating layer covering the thin film transistor and having a flat top surface; a common electrode on the insulating layer all over the substrate; a common line on the common electrode; a passivation layer on the common line; and a pixel electrode on the passivation layer in each pixel region and connected to the thin film transistor, the pixel electrode including electrode patterns, wherein the passivation layer has a step height at a top surface of the passivation layer due to the plurality of common lines.Type: GrantFiled: November 15, 2013Date of Patent: July 7, 2015Assignee: LG Display Co., Ltd.Inventors: Kyung-Mo Son, Jae-Kyun Lee, Sung-Chol Yi, Taek-Jun Jung, Sun-Ju Ku, Soon-Hwan Hong, Sang-Su Jang, Jun-Young Jeong, Eun-Hye Lee
-
Publication number: 20140168554Abstract: An array substrate includes a substrate; gate lines over the substrate along a first direction; data lines over the substrate along a second direction and crossing the gate lines to define pixel regions; a thin film transistor at each crossing portion of the gate and data lines; an insulating layer covering the thin film transistor and having a flat top surface; a common electrode on the insulating layer all over the substrate; a common line on the common electrode; a passivation layer on the common line; and a pixel electrode on the passivation layer in each pixel region and connected to the thin film transistor, the pixel electrode including electrode patterns, wherein the passivation layer has a step height at a top surface of the passivation layer due to the plurality of common lines.Type: ApplicationFiled: November 15, 2013Publication date: June 19, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Kyung-Mo SON, Jae-Kyun LEE, Sung-Chol YI, Taek-Jun JUNG, Sun-Ju KU, Soon-Hwan HONG, Sang-Su JANG, Jun-Young JEONG, Eun-Hye LEE