Invention Grant
- Patent Title: Spiral wound module including membrane sheet with regions having different permeabilities
- Patent Title (中): 螺旋缠绕模块包括具有不同渗透性的区域的膜片
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Application No.: US13808281Application Date: 2011-10-17
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Publication No.: US08496825B1Publication Date: 2013-07-30
- Inventor: Steven D. Jons , Allyn R. Marsh, III
- Applicant: Steven D. Jons , Allyn R. Marsh, III
- 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/US2011/056499 WO 20111017
- International Announcement: WO2012/058038 WO 20120503
- Main IPC: B01D63/00
- IPC: B01D63/00 ; B01D63/10 ; B01D35/28 ; B01D71/00 ; B01D69/00 ; C02F1/44

Abstract:
The present invention is directed toward spiral wound modules including membrane sheets with regions (70,72) having different permeabilities. Said regions are arranged either axially or radially or both.
Public/Granted literature
- US20130199988A1 SPIRAL WOUND MODULE INCLUDING MEMBRANE SHEET WITH REGIONS HAVING DIFFERENT PERMEABILITIES Public/Granted day:2013-08-08
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