Inventor
Bun Yeoul Lee
Inventor
Suwon-si, KR
Overview
Patents· 48 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Fprimary
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium24%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C07DHeterocyclic compounds6%
C07CAcyclic or carbocyclic compounds4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
A63JDevices for theatres, circuses, or the like2%
B66DCapstans2%
PatentTitleYear
11,052,384Chrome compound, catalyst system using same, and method for preparing ethylene oligomer202110,875,818Chromium compound, catalyst system including the same, and method for trimerizing ethylene using the catalyst system202010,793,671Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol202010,577,448Organic zinc compound comprising polyolefin-polystyrene block copolymer, and method for preparing the same202010,442,741Chromium compound, catalyst system including same, and method for trimerizing ethylene using the catalyst system20199,975,990Aliphatic polycarbonate with long-chain branches and aromatic copolyester thereof20189,475,905'High-molecular weight aliphatic polycarbonate prepared using base catalyst'20169,447,234'High molecular weight aliphatic polycarbonate copolymer and preparation method thereof'20169,284,407'Preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains'20169,120,836'Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes'20159,115,161'Process for producing polycarbonates and a coordination complex used therefor'20159,096,575'Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same'20159,062,025'Supported catalyst for olefin polymerization and preparation method for polyolefin using the same'20158,981,026'Cycloolefin polymer compound and method of preparing the same'20158,916,662'Method for preparing olefin-diene copolymer using transition metal compound containing thiophene-fused cyclopentadienyl ligand'20148,912,352'Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same'20148,889,581'Catalyst composition for olefin polymerization and preparation method for polyolefin using the same'20148,889,804'Method for preparing polypropylene using transition metal compound containing thiophene-fused cyclopentadienyl ligand'20148,829,156'Process for producing polycarbonates and a coordination complex used therefor'20148,785,592'Preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains'20148,735,521'Cycloolefin-based polymer compound, preparation method thereof and selective hydrogenation process'20148,637,634'Block and graft copolymers of poly(alkylene carbonate) and various polymers'20148,598,309'Catalytic system of nitrate anions for CO2/epoxide copolymerization'20138,530,616'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'20138,530,615'Process for producing polycarbonates and a coordination complex used therefor'20138,420,755'Compounds, catalyst composition comprising the same, and method for preparing of cycloolefin-based polymer using the same'20138,163,867'Process for producing polycarbonates and a coordination complex used therefor'20128,129,488'Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions'20128,048,973'Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition'20118,039,671'Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition'20117,932,207'Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes'20117,928,256'Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition'20117,807,762'Catalyst composition comprising Group 4 transition metal complexes and method for preparing polyolefins using the same'20107,678,933'Transition metal complexes and preparation methods thereof'20107,629,481'Ansa-metallocene compound, process of preparing the same, and process of preparing polyolefin using the same'20097,538,239'Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions'20097,531,608'Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions'20097,247,595'Supported metallocene catalyst and olefin polymerization using the same'20077,244,805'Bimetallic zinc complex and process of producing polycarbonate using the same as polymerization catalyst'20077,166,731'Method of preparing fulvene compounds and method of preparing ansa-metallocene compounds using the compounds'20077,041,618'Supported metallocene catalyst and olefin polymerization using the same'20066,803,433'Catalyst for olefin polymerization and method for preparing polyolefins'20046,506,919'Metallocene compounds and their use for olefin polymerization'20036,469,113'Method for producing supported metallocene catalyst and olefin polymerization process using the same'20026,355,742'Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst'20026,340,728'Method for olefin polymerization with recycling of co-catalyst'20026,255,417'Process for the preparation of olefinic polymers using metallocene catalyst'20016,214,953'Process for the preparation of olefinic polymers using supported metallocene catalyst'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2020Patents assigned to LG CHEMICAL LTD (24)· patent assignee history
2001Based in Daejeon, KR· patent location history
2002–2007Based in Taejeon, KR· patent location history
2004–2014Based in Seoul, KR· patent location history
2007–2021Based in Suwon-si, KR· patent location history
2012–2015Patents assigned to LEE BUN YEOUL (10)· patent assignee history
2012–2016Patents assigned to SK INNOVATION CO LTD (9)· patent assignee history
2012–2020Based in Gyeonggi-do, KR· patent location history
2013–2015Patents assigned to LEE BUN-YEOUL (7)· patent assignee history
2014–2020Patents assigned to LOTTE CHEMICAL CORP (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG CHEMICAL LTD | 24 | 2001–2020 |
| LEE BUN YEOULself | 10 | 2012–2015 |
| LOTTE CHEMICAL CORP | 10 | 2014–2020 |
| SK INNOVATION CO LTD | 9 | 2012–2016 |
| LEE BUN-YEOULself | 7 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwon-si, KR | 26 | 2007–2021 |
| Gyeonggi-do, KR | 11 | 2012–2020 |
| Taejeon, KR | 5 | 2002–2007 |
| Seoul, KR | 3 | 2004–2014 |
| Daejeon, KR | 2 | 2001 |