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Heechul CHOI
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Buk-gu, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Method for fabricating polyethersulfone nanofiber membrane by elect...
Patent number
9,457,325
Issue date
Oct 4, 2016
Gwangju Institute of Science and Technology
Heechul Choi
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Grant
Absorbent comprising hydrophobic mesoporous material for removal of...
Patent number
9,006,135
Issue date
Apr 14, 2015
Gwangju Institute of Science and Technology
Heechul Choi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Granular mesoporous silica and preparation method thereof
Patent number
8,741,251
Issue date
Jun 3, 2014
Gwangju Institute of Science and Technology
Heechul Choi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Preparation method for granular carbon mesoporous structure
Patent number
8,455,393
Issue date
Jun 4, 2013
Gwangju Institute of Science and Technology
Heechul Choi
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
NANOCOMPOSITE ULTRA-THIN SEPARATION MEMBRANE AND METHOD FOR MANUFAC...
Publication number
20160051939
Publication date
Feb 25, 2016
Gwangju Institute of Science and Technology
Heechul CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR FABRICATING POLYETHERSULFONE NANOFIBER MEMBRANE BY ELECT...
Publication number
20150224453
Publication date
Aug 13, 2015
Gwangju Institute of Science and Technology
Heechul CHOI
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Multilayer Membrane Containing Carbon Nanotube Manufactured by Laye...
Publication number
20140202953
Publication date
Jul 24, 2014
Gwangju Institute of Science and Technology
Heechul CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PREPARATION METHOD FOR GRANULAR CARBON MESOPOROUS STRUCTURE
Publication number
20130096001
Publication date
Apr 18, 2013
Gwangju Institute of Science and Technology
Heechul CHOI
B82 - NANO-TECHNOLOGY
Information
Patent Application
GRANULAR MESOPOROUS SILICA AND PREPARATION METHOD THEREOF
Publication number
20130095025
Publication date
Apr 18, 2013
Gwangju Institute of Science and Technology
Heechul CHOI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ABSORBENT COMPRISING HYDROPHOBIC MESOPOROUS MATERIAL FOR REMOVAL OF...
Publication number
20120172213
Publication date
Jul 5, 2012
Gwangju Institute of Science and Technology
Heechul CHOI
C07 - ORGANIC CHEMISTRY