Patents by Inventor Yong-Ho Lee

Yong-Ho Lee 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).

  • TRANSITION METAL COMPOUND, CATALYST COMPOSITION COMPRISING THE SAME, AND METHOD OF PREPARING POLYOLEFIN
    Publication number: 20170198074
    Abstract: The present invention relates to a novel transition metal compound, a catalyst composition comprising the transition metal compound, and a method of preparing polyolefin using the catalyst composition.
    Type: Application
    Filed: June 5, 2015
    Publication date: July 13, 2017
    Inventors: Bog Ki HONG, Yong Ho LEE, Chang Woan HAN, Yi Young CHOI, Ki Soo LEE
  • Metallocene compound and method of preparing the same
    Patent number: 9701774
    Abstract: Provided are a metallocene compound having a novel structure capable of preparing a polyolefin having a broad molecular weight distribution and a high molecular weight, and a method of preparing the same. The metallocene compound according to the present invention includes a non-crosslinked catalyst structure, and implements copolymerizability in an ansa-type catalyst level, thereby preparing a polyolefin having a high molecular weight of 300,000 or more.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Se Young Kim, Min Seok Cho, Dae Hwan Kim, Sung Min Lee, Sung Ho Park, Ki Soo Lee, Bog Ki Hong, Yong Ho Lee, Kyung Jin Cho, Chang Woan Han, Jin Young Park
  • Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
    Patent number: 9701699
    Abstract: This disclosure relates to a ligand compound, a catalyst system for olefin oligomerization, and a method for olefin oligomerization using the same. The catalyst system for olefin oligomerization according to the present invention has excellent catalytic activity, and yet, exhibits high selectivity to 1-hexene and 1-octene, thus enabling efficient preparation of alpha-olefin.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Yong Ho Lee, Eun Ji Shin, Seok Pil Sa, Ki Soo Lee
  • CRYOCOOLED SQUID MEASUREMENT APPARATUS
    Publication number: 20170168121
    Abstract: A cryocooler superconducting quantum interference (SQUID) system includes a cryocooler including a cold head, a cold head chamber in which the cold head is disposed, a sensor chamber including a SQUID sensor cooled to a low temperature by the cryocooler; and a connection block connecting the cold head and a thermal anchor disposed in the sensor chamber to each other to cool the SQUID sensor in the sensor chamber.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Inventors: Kwon-Kyu YU, Kiwoong Kim, Hyukchan Kwon, Jin-Mok Kim, Sang-Kil Lee, Yong-Ho Lee
  • 1-OCTENE COMPOSITION
    Publication number: 20170158582
    Abstract: The present invention relates to a 1-octene composition. The 1-octene composition according to the present invention is prepared by ethylene oligomerization and comprises a high content of 1-octene and monomers useful for copolymerization of 1-octene at the same time.
    Type: Application
    Filed: September 16, 2015
    Publication date: June 8, 2017
    Inventors: Yong Ho LEE, Seok Pil SA, Eun Ji SHIN, Ki Soo LEE, Jin Young PARK, Seul Ki IM, Yoon Ki HONG
  • Silica support, preparation method thereof and metallocene catalyst using the same
    Patent number: 9670297
    Abstract: This disclosure relates to a silica support for a metallocene catalyst used for olefin polymerization, a preparation method thereof, a metallocene catalyst using the same, and olefin polymer. Specifically, according to the present invention, a silica support used for preparing a metallocene supported catalyst is treated with a specific halogenized metal compound, thereby diversifying reaction sites to a cocatalyst when preparing a metallocene catalyst, and thus, the molecular weight distribution of produced olefin polymer may be much broadened and polymer having high molecular weight may be obtained compared to the existing support, even if the same metallocene catalyst is supported.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: June 6, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Dae Sik Hong, Ki Soo Lee, Heon Yong Kwon, Hyeon-Gook Kim, Eun Kyoung Song, Yong Ho Lee
  • METALLOCENE COMPOUND, CATALYST COMPOSITION INCLUDING THE SAME, AND METHOD OF PREPARING OLEFIN-BASED POLYMER USING THE SAME (As Amended)
    Publication number: 20170137545
    Abstract: Provided are a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefin-based polymer using the same. The metallocene compound according to the present invention or the catalyst composition including the same may be used for the preparation of an olefin-based polymer, may have excellent polymerization ability, and may produce an olefin-based polymer having a high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefin-based polymer having a high molecular weight may be polymerized because the metallocene compound shows high polymerization activity even when it is supported on a support and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 18, 2017
    Inventors: Yong Ho LEE, Kyung Jin CHO, Jin Young PARK, Ki Soo LEE, Min Seok CHO, Se Young KIM, Sung Min LEE, Chang Woan HAN
  • Olefin block copolymer
    Patent number: 9644064
    Abstract: The present description relates to an olefin block copolymer with excellences in elasticity, heat resistance, and processability. The olefin block copolymer comprises a plurality of blocks or segments, each comprising an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions. The olefin block copolymer comprises polymer chains containing 20 to 100 short-chain branches (SCBs) per 1,000 carbon atoms. A point where a first derivative of the number Y of the SCBs per 1,000 carbon atoms of each polymer chain with respect to the molecular weight X of the polymer chain is 0 exists between the minimum and maximum values of the molecular weight X.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: May 9, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Man-Seong Jeon, Ki-Soo Lee, Yong-Ho Lee, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Kyoung-Chan Lim, Dae-Sik Hong
  • Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
    Patent number: 9643170
    Abstract: This disclosure relates to a novel ligand compound that can oligomerize ethylene with high catalyst activity and selectivity, a catalyst system for olefin oligomerization including the same, and a method for olefin oligomerization using the same.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: May 9, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Eun Ji Shin, Yong Ho Lee, Ki Soo Lee, Seok Pil Sa
  • Composition for Preventing or Treating Fatty Liver or Insulin Resistance Syndrome Including Extracellular Domain of Delta-Like 1 Homolog
    Publication number: 20170121380
    Abstract: The present invention relates to compositions and methods for treating fatty liver, steatohepatitis, or liver cirrhosis as well as insulin resistance and aging by administration of a DLK1-Fc fusion protein constructed by conjugation of an extracellular domain of DLK1 or a fragment thereof with a human antibody Fc region. Also provided are health functional foods containing a DLK1-Fc fusion protein constructed by conjugation of an extracellular domain of DLK1 (delta-like 1 homolog) or a fragment thereof with a human antibody Fc region as an active ingredient.
    Type: Application
    Filed: October 28, 2016
    Publication date: May 4, 2017
    Inventors: Young Woo Park, Bum-chan Park, Bong-soo Cha, Yong Ho Lee, Jung Chae Lim, Young-gyu Cho, Joong Kyu Kim, Jae Eun Park, Seok Ho Yoo
  • Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
    Patent number: 9637509
    Abstract: Provided are ligand compounds selected from among N-(diphenylphosphino)-1,1-diphenyl-N-(4-phenylbutan-2-yl)phosphinamine and N4,N4-bis(diphenylphosphino)-N1,N1-diethylpentane-1,4-diamine, a catalyst system for olefin oligomerization, and a method for olefin oligomerization using the same. The catalyst system for olefin oligomerization has excellent catalytic activity, and yet, exhibits high selectivity to 1-hexene or 1-octene, thus enabling more efficient preparation of alpha-olefin.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: May 2, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Eun Ji Shin, Yong Ho Lee, Seok Pil Sa, Ki Soo Lee
  • Photonic crystal type light modulator and 3D image acquisition apparatus employing the same
    Patent number: 9638941
    Abstract: A photonic crystal type light modulator is provided. The photonic crystal type light modulator includes: a substrate; a first electrode disposed on the substrate; an active layer disposed on the first electrode, where an optical characteristic of the active layer changes according to application of an electric field; a second electrode disposed on the active layer; and a photonic crystal layer disposed on the second electrode and comprising a 2D grating.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: May 2, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., INHA Industry Partnership Institute
    Inventors: Jang-woo You, Yong-hwa Park, Yong-ho Lee, Chang-kwon Hwangbo, Jin-joo Kim
  • Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
    Patent number: 9637508
    Abstract: Provided are ligand compounds containing two or more diphosphinoamine functional groups, where the two or more diphosphinoamine functional groups are linked by 4 carbon atoms, a catalyst system including the ligand compounds for olefin oligomerization, and a method for olefin oligomerization using the same. The catalyst system for olefin oligomerization according to the present invention has excellent catalytic activity, and yet, exhibits high selectivity to 1-hexene and 1-octene, thus enabling efficient preparation of alpha-olefin.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: May 2, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Yong Ho Lee, Eun Ji Shin, Seok Pil Sa, Ki Soo Lee
  • METALLOCENE COMPOUND, CATALYST COMPOSITION INCLUDING THE SAME, AND METHOD OF PREPARING POLYOLEFIN USING THE SAME
    Publication number: 20170107307
    Abstract: Provided are a novel metallocene compound, a catalyst composition including the same, and a method of preparing a polyolefin using the same. The metallocene compound according to the present invention and the catalyst composition including the same may be used for the preparation of a polyolefin, may have excellent polymerization ability, and may produce a polyolefin having an ultra-high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefin-based polymer having an ultra-high molecular weight may be polymerized because the metallocene compound shows high polymerization activity even when it is supported on a support.
    Type: Application
    Filed: January 28, 2015
    Publication date: April 20, 2017
    Inventors: Jin Young PARK, Yong Ho LEE, Kyung Jin CHO, Ki Soo LEE, Bog Ki HONG, Min Seok CHO, Dae Hwan KIM, Se Young KIM, Sung Min LEE, Chang Woan HAN, Sung Ho PARK
  • Ligand compound, organic chromium compound, catalyst system for ethylene oligomerization, and method for ethylene oligomerization using the same
    Patent number: 9562062
    Abstract: The present invention relates to a ligand compound, a catalyst system for ethylene oligomerization, and a method for ethylene oligomerization using the same. The catalyst system for ethylene oligomerization according to the present invention not only has excellent catalytic activity but also shows more improved liquid olefin selectivity, and enables more effective preparation of an alpha-olefin through the oligomerization of ethylene because it is particularly possible to control the selectivity to 1-hexene or 1-octene.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: February 7, 2017
    Assignee: LG Chem, Ltd
    Inventors: Sung Min Lee, Yong Ho Lee, Min Seok Cho, Seok Pil Sa, Ki Soo Lee
  • LIGAND COMPOUND, ORGANIC CHROMIUM COMPOUND, CATALYST SYSTEM FOR OLIGOMERIZATION OF OLEFINS, AND METHOD FOR OLIGOMERIZATION OF OLEFINS USING THE CATALYST SYSTEM (AS AMENDED)
    Publication number: 20170029346
    Abstract: The present invention relates to a ligand compound, a catalyst system for oligomerization of olefins, and a method for oligomerization of olefins using the catalyst system. The catalyst system for oligomerization of olefins according to the present invention not only has excellent catalytic activity, but also exhibits high selectivity to 1-hexene or 1-octene, thus enabling more efficient preparation of alpha-olefin.
    Type: Application
    Filed: June 18, 2015
    Publication date: February 2, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yong Ho LEE, Eun Ji SHIN, Jin Young PARK, Seok PII Sa, Ki Soo LEE
  • METHOD FOR PREPARING POLYOLEFIN AND POLYOLEFIN PREPARED THEREBY
    Publication number: 20170029538
    Abstract: The present invention relates to a method for preparing polyolefin that can easily and effectively prepare polyolefin having high molecular weight and various molecular weight distributions, which was difficult to prepare using the existing metallocene catalyst, and polyolefin prepared thereby. The method for preparing polyolefin comprises the step of polymerizing olefin monomers, in the presence of a metallocene supported catalyst wherein a metallocene compound having a specific chemical structure is supported in a carrier, and hydrogen gas.
    Type: Application
    Filed: June 3, 2015
    Publication date: February 2, 2017
    Inventors: Eun Kyoung SONG, Heon Yong KWON, Hyuck Ju KWON, Yong Ho LEE, Yi Young CHOI, Dae Sik HONG, Ki Soo LEE, Kyung Jin CHO
  • Supported hybrid catalyst and method for preparing olefin-based polymer using the same
    Patent number: 9556289
    Abstract: The present invention relates to a supported hybrid catalyst and a method for preparing an olefin based polymer using the same. The supported hybrid catalyst according to the present invention can be used in the preparation of an olefin-based polymer, and the olefin-based polymer prepared using the supported hybrid catalyst has excellent processability and mechanical properties and thus can be effectively used for the application of films or the like.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: January 31, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Heon Yong Kwon, Eun Young Shin, Ki Soo Lee, Dae Sik Hong, Se Young Kim, Sung Min Lee, Hyun Jee Kwon, Yong Ho Lee, Yu Taek Sung, Dong Hoon Jeong
  • MEMORY MODULE
    Publication number: 20170004871
    Abstract: A memory module that includes: a printed circuit board having a connecting terminal; memory chips arranged on the printed circuit board; data buffers disposed on a first surface of the printed circuit board and corresponding to the memory chips; and resistance units disposed on a second surface of the printed circuit board and corresponding to the data buffers.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Inventors: JONG-HYUN SEOK, DO-HYUNG KIM, WON-HYUNG SONG, YONG-HO LEE
  • Air conditioner
    Patent number: 9518747
    Abstract: An air conditioner having an improved assembly structure of panels includes a lower panel located at a bottom surface thereof, an upper panel located at an upper surface thereof, front and rear panels located at front and rear surfaces thereof, and side panels to couple the front and rear panels. One side of each of the lower panel and at least one panel is provided with a protrusion and the other side thereof is provided with a coupling groove, so that the lower panel is coupled to at least one of the front panel and the side panels by coupling of the protrusion and the coupling groove. It may be possible to provide an air conditioner capable of reducing the number of fastening members coupled to respective panels and being free from restraint of an installation space.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG ELECTRONICS, CO., LTD
    Inventors: Wook Jin Lee, Ah Jung Joo, Yong Ho Lee