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Patent Searching and Data


Title:
MULTILAYER DEPTH FILTER WOUND FROM SINGLE MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2017/149298
Kind Code:
A3
Abstract:
A membrane filter comprises a plurality of porous layers having successively decreasing mean pore sizes. In one embodiment, the layers are formed from the same membrane which is wrapped in a cylindrical fashion. Also disclosed is a method of manufacturing a membrane filter comprising wrapping a porous membrane or film in an overlapping cylindrical fashion and controlling the pore size by controlling the torque during the wrapping.

Inventors:
CUPIT, David (Norton Cottage, Halletts ShuteYarmouth, Isle of Wight PO41 0SB, PO41 0SB, GB)
Application Number:
GB2017/050543
Publication Date:
October 12, 2017
Filing Date:
February 28, 2017
Export Citation:
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Assignee:
ICON TECHNOLOGY SYSTEMS LIMITED (The Court House, 9 Grafton Street, Altrincham Cheshire WA14 1DU, WA14 1DU, GB)
International Classes:
B01D67/00; B01D29/21; B01D29/23; C02F1/00; C02F1/28
Domestic Patent References:
WO2007136328A12007-11-29
Foreign References:
US20150053627A12015-02-26
DE4217159A11993-11-25
US20040206682A12004-10-21
EP2033704A22009-03-11
GB2230205A1990-10-17
EP0216964A11987-04-08
US20060121269A12006-06-08
GB2461619A2010-01-13
Attorney, Agent or Firm:
WP THOMPSON (8th Floor, No. 1 Mann Island, Liverpool Merseyside L3 1BP, L3 1BP, GB)
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