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Lakwon CHOI
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Daejeon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Composition for polyamide interfacial polymerization, and method fo...
Patent number
11,992,812
Issue date
May 28, 2024
LG Chem, Ltd.
Lakwon Choi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for preparation of water-treatment separation membrane and w...
Patent number
11,944,940
Issue date
Apr 2, 2024
LG Chem, Ltd.
Hyelim Kang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composition for interfacial polymerization of polyamide and manufac...
Patent number
11,718,712
Issue date
Aug 8, 2023
LG Chem, Ltd.
Eunkyoung Byun
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITION FOR FORMING SEPARATION MEMBRANE ACTIVE LAYER, METHOD FO...
Publication number
20220226785
Publication date
Jul 21, 2022
LG CHEM, LTD.
Hyelim KANG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PREPARATION OF WATER-TREATMENT SEPARATION MEMBRANE AND W...
Publication number
20210113969
Publication date
Apr 22, 2021
LG CHEM, LTD.
Hyelim KANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
COMPOSITION FOR POLYAMIDE INTERFACIAL POLYMERIZATION, AND METHOD FO...
Publication number
20210001283
Publication date
Jan 7, 2021
LG CHEM, LTD.
Lakwon CHOI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOSITION FOR INTERFACIAL POLYMERIZATION OF POLYAMIDE AND MANUFAC...
Publication number
20200332059
Publication date
Oct 22, 2020
LG CHEM, LTD.
Eunkyoung BYUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...