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Seung-Hyun Do
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Group 4 metal compound containing thiophene-fused cyclopentadienyl...
Patent number
9,096,575
Issue date
Aug 4, 2015
Lotte Chemical Corporation
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Supported catalyst for olefin polymerization and preparation method...
Patent number
9,062,025
Issue date
Jun 23, 2015
Lotte Chemical Corporation
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing olefin-diene copolymer using transition metal...
Patent number
8,916,662
Issue date
Dec 23, 2014
Lotte Chemical Corporation
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Group 4 metal compound containing thiophene-fused cyclopentadienyl...
Patent number
8,912,352
Issue date
Dec 16, 2014
Lotte Chemical Corporation
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst composition for olefin polymerization and preparation meth...
Patent number
8,889,581
Issue date
Nov 18, 2014
Lotte Chemical Corporation
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing polypropylene using transition metal compound...
Patent number
8,889,804
Issue date
Nov 18, 2014
Lotte Chemical Corporation
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
GROWTH INHIBITOR FOR FORMING PELLICLE-PROTECTIVE THIN FILM, METHOD...
Publication number
20230251565
Publication date
Aug 10, 2023
Soulbrain Co., LTD
Chang Bong YEON
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GROUP 4 METAL COMPOUND CONTAINING THIOPHENE-FUSED CYCLOPENTADIENYL...
Publication number
20150011770
Publication date
Jan 8, 2015
LOTTE CHEMICAL CORPORATION
Bun-Yeoul Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING POLYPROPYLENE USING TRANSITION METAL COMPOUND...
Publication number
20130211021
Publication date
Aug 15, 2013
LOTTE CHEMICAL CORPORATION
Bun-Yeoul Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST COMPOSITION FOR OLEFIN POLYMERIZATION AND PREPARATION METH...
Publication number
20130211020
Publication date
Aug 15, 2013
LOTTE CHEMICAL CORPORATION
Bun-Yeoul Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PREPARING OLEFIN-DIENE COPOLYMER USING TRANSITION METAL...
Publication number
20130211024
Publication date
Aug 15, 2013
HONAM PETROCHEMICAL CORPORATION
Bun-Yeoul Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
GROUP 4 METAL COMPOUND CONTAINING THIOPHENE-FUSED CYCLOPENTADIENYL...
Publication number
20130203949
Publication date
Aug 8, 2013
OTTE CHEMICAL CORPORATION
Bun-Yeoul Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL