Invention Grant
- Patent Title: Composition for polyamide interfacial polymerization, and method for manufacturing water treatment separation membrane by using same
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Application No.: US16978320Application Date: 2019-06-14
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Publication No.: US11992812B2Publication Date: 2024-05-28
- Inventor: Lakwon Choi , Youngju Lee , Eunkyoung Byun , Chong Kyu Shin
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: Bryan Cave Leighton Paisner LLP
- Priority: KR 20180068926 2018.06.15
- International Application: PCT/KR2019/007201 2019.06.14
- International Announcement: WO2019/240533A 2019.12.19
- Date entered country: 2020-09-04
- Main IPC: B01D69/12
- IPC: B01D69/12 ; B01D69/10 ; B01D71/56 ; C02F1/44 ; C08G69/04 ; C08K5/17
Abstract:
Provided is a composition for interfacially polymerizing polyamide including an amine compound and a chain-type-structured additive containing one or more amino groups and two or more hydroxyl groups, and a method for manufacturing a water treatment separation membrane, and a water treatment separation membrane using the same.
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