Invention Grant
- Patent Title: Composite polyamide membrane having preferred azo content
- Patent Title (中): 复合聚酰胺膜具有优选的偶氮含量
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Application No.: US15102879Application Date: 2014-12-15
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Publication No.: US09555378B2Publication Date: 2017-01-31
- Inventor: Abhishek Roy , Robert C. Cieslinski , Bruce B. Gerhart , David D. Hawn , Mou Paul , XiaoHua Qiu , Mark A. Rickard , Steven Rosenberg , Ian A. Tomlinson , Chengli Zu
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- Agent Edward W. Black
- International Application: PCT/US2014/070308 WO 20141215
- International Announcement: WO2015/105638 WO 20150716
- Main IPC: B01D39/00
- IPC: B01D39/00 ; B01D39/14 ; B29C44/04 ; B01D67/00 ; B01D29/46 ; B01D71/56 ; B01D69/12
Abstract:
A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing an azo (—N═N—) content of from 0.75% to 0.95%, as measured by pyrolysis gas chromatography.
Public/Granted literature
- US20160303520A1 COMPOSITE POLYAMIDE MEMBRANE HAVING PREFERRED AZO CONTENT Public/Granted day:2016-10-20
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