| Patent | Date |
|---|
Block copolymer composition
Grant 11,414,541 - Shin , et al. August 16, 2 | 2022-08-16 |
Block copolymer composition
Grant 11,312,856 - Lee , et al. April 26, 2 | 2022-04-26 |
Polyolefin-polystyrene multi-block copolymer, organozinc compound for preparing same, and method for preparing polyolefin-polystyrene multi-block copolymer
Grant 11,292,863 - Lee , et al. April 5, 2 | 2022-04-05 |
Method For Preparing Cocatalyst Compound Using Anhydrous Hydrocarbon Solvent
App 20220062879 - Sa; Seok Pil ; et al. | 2022-03-03 |
Ligand Compound, Transition Metal Compound, and Catalyst Composition Including the Same
App 20220049031 - Im; Seul Ki ; et al. | 2022-02-17 |
Symmetrical Polyolefin Block Copolymer And Preparation Method Therefor
App 20210371570 - LEE; Bun Yeoul ; et al. | 2021-12-02 |
Bisphosphine ligand compound, chromium compound, ethylene oligomerization catalyst system, and ethylene oligomer preparation method
Grant 11,148,127 - Lee , et al. October 19, 2 | 2021-10-19 |
Chrome compound, catalyst system using same, and method for preparing ethylene oligomer
Grant 11,052,384 - Lee , et al. July 6, 2 | 2021-07-06 |
Block Copolymer Composition
App 20210108066 - Hong; Yoon Ki ; et al. | 2021-04-15 |
Block Copolymer Composition
App 20210017377 - Shin; Eun Ji ; et al. | 2021-01-21 |
Method for Producing Block Copolymer Composition
App 20210002303 - Sa; Seok Pil ; et al. | 2021-01-07 |
Block Copolymer Composition
App 20210002473 - Lee; Hyun Mo ; et al. | 2021-01-07 |
Chromium compound, catalyst system including the same, and method for trimerizing ethylene using the catalyst system
Grant 10,875,818 - Lee , et al. December 29, 2 | 2020-12-29 |
Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol
Grant 10,793,671 - Lee , et al. October 6, 2 | 2020-10-06 |
Organic zinc compound comprising polyolefin-polystyrene block copolymer, and method for preparing the same
Grant 10,577,448 - Lee , et al. | 2020-03-03 |
Chromium Compound, Catalyst System Including The Same, And Method For Trimerizing Ethylene Using The Catalyst System
App 20200039897 - LEE; Bun Yeoul ; et al. | 2020-02-06 |
Polyolefin-Polystyrene Multi-Block Copolymer, Organozinc Compound for Preparing Same, and Method for Preparing Polyolefin-Polyst
App 20200031978 - Lee; Bun Yeoul ; et al. | 2020-01-30 |
Chromium compound, catalyst system including same, and method for trimerizing ethylene using the catalyst system
Grant 10,442,741 - Lee , et al. Oc | 2019-10-15 |
Chrome Compound, Catalyst System Using Same, And Method For Preparing Ethylene Oligomer
App 20190308179 - LEE; Bun Yeoul ; et al. | 2019-10-10 |
Aliphatic Polycarbonate Macropolyol And Aliphatic Polycarbonate-coaromatic Polyester Macropolyol
App 20180186929 - Lee; Bun Yeoul ; et al. | 2018-07-05 |
Aliphatic Polycarbonate Macropolyol And Aliphatic Polycarbonate-coaromatic Polyester Macropolyol
App 20180179333 - Lee; Bun Yeoul ; et al. | 2018-06-28 |
Aliphatic polycarbonate with long-chain branches and aromatic copolyester thereof
Grant 9,975,990 - Lee , et al. May 22, 2 | 2018-05-22 |
Double Metal Cyanide Catalyst and Epoxide/Carbon Dioxide Copolymer Prepared Using the Same
App 20180079765 - Jung; Il Gu ; et al. | 2018-03-22 |
Organic Zinc Compound Comprising Polyolefin-polystyrene Block Copolymer, And Method For Preparing The Same
App 20180022852 - Lee; Bun Yeoul ; et al. | 2018-01-25 |
Chromium Compound, Catalyst System Including The Same, And Method For Trimerizing Ethylene Using The Catalyst System
App 20170217854 - LEE; Bun Yeoul ; et al. | 2017-08-03 |
High-molecular weight aliphatic polycarbonate prepared using base catalyst
Grant 9,475,905 - Lee , et al. October 25, 2 | 2016-10-25 |
High molecular weight aliphatic polycarbonate copolymer and preparation method thereof
Grant 9,447,234 - Lee , et al. September 20, 2 | 2016-09-20 |
Aliphatic Polycarbonate With Long-chain Branches And Aromatic Copolyester Thereof
App 20160251475 - LEE; Bun Yeoul ; et al. | 2016-09-01 |
Aliphatic Polycarbonate Macropolyol And Aliphatic Polycarbonate-co-aromatic Polyester Macropolyol
App 20160177027 - LEE; Bun Yeoul ; et al. | 2016-06-23 |
Double Metal Cyanide Catalyst and Epoxide/Carbon Dioxide Copolymer Prepared Using the Same
App 20160152651 - Jung; IL GU ; et al. | 2016-06-02 |
Preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains
Grant 9,284,407 - Jeong , et al. March 15, 2 | 2016-03-15 |
High-molecular Weight Aliphatic Polycarbonate Prepared Using Base Catalyst
App 20150353678 - LEE; Bun Yeoul ; et al. | 2015-12-10 |
High Molecular Weight Aliphatic Polycarbonate Copolymer And Preparation Method Thereof
App 20150291735 - Lee; Bun Yeoul ; et al. | 2015-10-15 |
Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes
Grant 9,120,836 - Lee , et al. September 1, 2 | 2015-09-01 |
Process for producing polycarbonates and a coordination complex used therefor
Grant 9,115,161 - Lee , et al. August 25, 2 | 2015-08-25 |
Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same
Grant 9,096,575 - Lee , et al. August 4, 2 | 2015-08-04 |
Supported catalyst for olefin polymerization and preparation method for polyolefin using the same
Grant 9,062,025 - Lee , et al. June 23, 2 | 2015-06-23 |
Cycloolefin polymer compound and method of preparing the same
Grant 8,981,026 - Hwang , et al. March 17, 2 | 2015-03-17 |
Group 4 Metal Compound Containing Thiophene-fused Cyclopentadienyl Ligand Derived From Tetraquinoline Derivative And Olefin Polymerization Using The Same
App 20150011770 - Lee; Bun-Yeoul ; et al. | 2015-01-08 |
Method for preparing olefin-diene copolymer using transition metal compound containing thiophene-fused cyclopentadienyl ligand
Grant 8,916,662 - Lee , et al. December 23, 2 | 2014-12-23 |
Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same
Grant 8,912,352 - Lee , et al. December 16, 2 | 2014-12-16 |
Catalyst composition for olefin polymerization and preparation method for polyolefin using the same
Grant 8,889,581 - Lee , et al. November 18, 2 | 2014-11-18 |
Method for preparing polypropylene using transition metal compound containing thiophene-fused cyclopentadienyl ligand
Grant 8,889,804 - Lee , et al. November 18, 2 | 2014-11-18 |
Cycloolefin Polymer Compound And Method Of Preparing The Same
App 20140296436 - Hwang; Woon Sung ; et al. | 2014-10-02 |
Preparation Of Poly(alkylene Carbonate) Containing Cross-linked High Molecular Weight Chains
App 20140296474 - JEONG; Ji Su ; et al. | 2014-10-02 |
Process for producing polycarbonates and a coordination complex used therefor
Grant 8,829,156 - Lee , et al. September 9, 2 | 2014-09-09 |
Process For Producing Polycarbonates And A Coordination Complex Used Therefor
App 20140249323 - LEE; Bun Yeoul ; et al. | 2014-09-04 |
Preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains
Grant 8,785,592 - Jeong , et al. July 22, 2 | 2014-07-22 |
Block and Graft Copolymers of Poly(Alkylene Carbonate) and Various Polymers
App 20140163179 - Jeong; JiSu ; et al. | 2014-06-12 |
Cycloolefin-based polymer compound, preparation method thereof and selective hydrogenation process
Grant 8,735,521 - Sung , et al. May 27, 2 | 2014-05-27 |
Block and graft copolymers of poly(alkylene carbonate) and various polymers
Grant 8,637,634 - Jeong , et al. January 28, 2 | 2014-01-28 |
Catalytic system of nitrate anions for CO.sub.2/epoxide copolymerization
Grant 8,598,309 - Jeong , et al. December 3, 2 | 2013-12-03 |
Precise control of molecular weight and chain shape control in carbon dioxide/epoxide alternating copolymerization and preparation of low molecular weight poly(alkylene carbonate) thereby
Grant 8,530,616 - Jeong , et al. September 10, 2 | 2013-09-10 |
Process for producing polycarbonates and a coordination complex used therefor
Grant 8,530,615 - Lee , et al. September 10, 2 | 2013-09-10 |
Supported Catalyst For Olefin Polymerization And Preparation Method For Polyolefin Using The Same
App 20130211023 - Lee; Bun-Yeoul | 2013-08-15 |
Method For Preparing Polypropylene Using Transition Metal Compound Containing Thiophene-fused Cyclopentadienyl Ligand
App 20130211021 - Lee; Bun-Yeoul ; et al. | 2013-08-15 |
Method For Preparing Olefin-diene Copolymer Using Transition Metal Compound Containing Thiophene-fused Cyclopentadienyl Ligand
App 20130211024 - Lee; Bun-Yeoul ; et al. | 2013-08-15 |
Catalyst Composition For Olefin Polymerization And Preparation Method For Polyolefin Using The Same
App 20130211020 - Lee; Bun-Yeoul ; et al. | 2013-08-15 |
Group 4 Metal Compound Containing Thiophene-fused Cyclopentadienyl Ligand Derived From Tetraquinoline Derivative And Olefin Polymerization Using The Same
App 20130203949 - Lee; Bun-Yeoul ; et al. | 2013-08-08 |
Catalytic System for Co2/Epoxide Copolymerization
App 20130131308 - Jeong; Jisu ; et al. | 2013-05-23 |
Compounds, catalyst composition comprising the same, and method for preparing of cycloolefin-based polymer using the same
Grant 8,420,755 - Won , et al. April 16, 2 | 2013-04-16 |
Process For Producing Polycarbonates And A Coordination Complex Used Therefor
App 20120226016 - LEE; Bun Yeoul ; et al. | 2012-09-06 |
Process For Producing Polycarbonates And A Coordination Complex Used Therefor
App 20120184709 - LEE; Bun Yeoul ; et al. | 2012-07-19 |
Process for producing polycarbonates and a coordination complex used therefor
Grant 8,163,867 - Lee , et al. April 24, 2 | 2012-04-24 |
Preparation Of Poly(alkylene Carbonate) Containing Cross-linked High Molecular Weight Chains
App 20120065360 - Jeong; Ji Su ; et al. | 2012-03-15 |
Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions
Grant 8,129,488 - Lee , et al. March 6, 2 | 2012-03-06 |
Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition
Grant 8,048,973 - Lee , et al. November 1, 2 | 2011-11-01 |
Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition
Grant 8,039,671 - Lee , et al. October 18, 2 | 2011-10-18 |
Block and Graft Copolymers of Poly(Alkylene Carbonate) and Various Polymers
App 20110251355 - Jeong; JiSu ; et al. | 2011-10-13 |
Precise Control of Molecular Weight and Chain Shape Control in Carbon Dioxide/Epoxide Alternating Copolymerization and Preparation of Low Molecular Weight Poly(alkylene Carbonate) Thereby
App 20110245424 - Jeong; Jisu ; et al. | 2011-10-06 |
Catalytic System of Nitrate Anions for CO2/ Epoxide Copolymerization
App 20110207909 - Jeong; Ji Su ; et al. | 2011-08-25 |
Method For Preparing Transition Metal Complexes, Transition Metal Complexes Prepared Using The Method, Catalyst Composition Containing The Complexes
App 20110177935 - LEE; Choong-Hoon ; et al. | 2011-07-21 |
Method For Preparing Transition Metal Complexes, Transition Metal Complexes Prepared Using The Metod, Catalyst Composition Containing The Complexes
App 20110172451 - LEE; Choong-Hoon ; et al. | 2011-07-14 |
Transition Metal Complex, Catalyst Composition Including The Same And Olefin Polymer Using Catalyst Composition
App 20110160413 - LEE; Choong Hoon ; et al. | 2011-06-30 |
Transition Metal Complex, Catalyst Composition Including The Same And Olefin Polymer Using Catalyst Composition
App 20110152529 - LEE; Choong Hoon ; et al. | 2011-06-23 |
Novel Compounds, Catalyst Composition Comprising The Same, And Method For Preparing Of Cycloolefin-based Polymer Using The Same
App 20110130532 - WON; Young-Chul ; et al. | 2011-06-02 |
Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes
Grant 7,932,207 - Lee , et al. April 26, 2 | 2011-04-26 |
Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition
Grant 7,928,256 - Lee , et al. April 19, 2 | 2011-04-19 |
Cycloolefin-based Polymer Compound, Preparation Method Thereof And Selective Hydrogenation Process
App 20110054131 - Sung; Ik Kyung ; et al. | 2011-03-03 |
Catalyst composition comprising Group 4 transition metal complexes and method for preparing polyolefins using the same
Grant 7,807,762 - Lee , et al. October 5, 2 | 2010-10-05 |
Process For Producing Polycarbonates And A Coordination Complex Used Therefor
App 20100121026 - Lee; Bun Yeoul ; et al. | 2010-05-13 |
Transition metal complexes and preparation methods thereof
Grant 7,678,933 - Lee , et al. March 16, 2 | 2010-03-16 |
Method For Preparing Transition Metal Complexes, Transition Metal Complexes Prepare Using The Method, Catalyts Composition Containing The Complexes
App 20100062927 - Lee; Choong-Hoon ; et al. | 2010-03-11 |
Novel Coordination complexes and process of producing polycarbonate by copolymerization of carbon dioxide and epoxide using the same as catalyst
App 20100029896 - Ok; Myungahn ; et al. | 2010-02-04 |
Ansa-metallocene compound, process of preparing the same, and process of preparing polyolefin using the same
Grant 7,629,481 - Lee , et al. December 8, 2 | 2009-12-08 |
Transition Metal Complexes, Catalyst Compositions Containing The Same, And Olefin Polymerization Using The Catalyst Compositions
App 20090209712 - LEE; Choong Hoon ; et al. | 2009-08-20 |
Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions
Grant 7,538,239 - Lee , et al. May 26, 2 | 2009-05-26 |
Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions
Grant 7,531,608 - Lee , et al. May 12, 2 | 2009-05-12 |
Transition Metal Complexes and Preparation Methods Thereof
App 20090030221 - Lee; Choong-Hoon ; et al. | 2009-01-29 |
Catalyst Composition Comprising Group 4 Transition Metal Complexes and Method for Preparing Polyolefins Using the Same
App 20090005525 - Lee; Choong-Hoon ; et al. | 2009-01-01 |
Transition Metal Complex, Catalyst Composition Including the Same and Olefin Polymer Using Catalyst Composition
App 20070225158 - Lee; Choong Hoon ; et al. | 2007-09-27 |
Supported metallocene catalyst and olefin polymerization using the same
Grant 7,247,595 - Lee , et al. July 24, 2 | 2007-07-24 |
Bimetallic zinc complex and process of producing polycarbonate using the same as polymerization catalyst
Grant 7,244,805 - Park , et al. July 17, 2 | 2007-07-17 |
Method of preparing fulvene compounds and method of preparing ansa-metallocene compounds using the compounds
Grant 7,166,731 - Park , et al. January 23, 2 | 2007-01-23 |
Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions
App 20070010638 - Lee; Choong Hoon ; et al. | 2007-01-11 |
Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions
App 20070010637 - Lee; Choong Hoon ; et al. | 2007-01-11 |
Bimetallic zinc complex and process of producing polycarbonate using the same as polymerization catalyst
App 20060135743 - Park; Young Whan ; et al. | 2006-06-22 |
Supported metallocene catalyst and olefin polymerization using the same
App 20060135351 - Lee; Bun-Yeoul ; et al. | 2006-06-22 |
Supported metallocene catalyst and olefin polymerization using the same
Grant 7,041,618 - Lee , et al. May 9, 2 | 2006-05-09 |
Ansa-metallocene compound, process of preparing the same, and process of preparing polyolefin using the same
App 20060069221 - Lee; Choong Hoon ; et al. | 2006-03-30 |
Method of preparing fulvene compounds and method of preparing ansa-metallocene compounds using the compounds
App 20050080296 - Park, Young Whan ; et al. | 2005-04-14 |
Catalyst for olefin polymerization and method for preparing polyolefins
Grant 6,803,433 - Lee October 12, 2 | 2004-10-12 |
Supported metallocene catalyst and olefin polymerization using the same
App 20040058804 - Lee, Bun-Yeoul ; et al. | 2004-03-25 |
Catalyst for olefin polymerization and method for preparing polyolefins
App 20040043894 - Lee, Bun-Yeoul | 2004-03-04 |
Method for producing supported metallocene catalyst and olefin polymerization process using the same
Grant 6,469,113 - Lee , et al. October 22, 2 | 2002-10-22 |
Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst
Grant 6,355,742 - Oh , et al. March 12, 2 | 2002-03-12 |
Method for olefin polymerization with recycling of co-catalyst
Grant 6,340,728 - Oh , et al. January 22, 2 | 2002-01-22 |
Process for the preparation of olefinic polymers using metallocene catalyst
Grant 6,255,417 - Oh , et al. July 3, 2 | 2001-07-03 |
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