ASYMMETRIC SUPPORTED MEMBRANE FOR DIRECT OSMOTIC CONCENTRATION - Patent 0888171

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EP 0 888 171 A1

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(43)	Date of publication:
	07.01.1999 Bulletin 1999/01

(21)	Application number: 97916730.0

(22)	Date of filing: 11.03.1997

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International Patent Classification (IPC):

B01D 63/ 00^{( . )}
B01D 71/ 12^{( . )}
B32B 5/ 02^{( . )}

B01D 69/ 10^{( . )}
B01D 71/ 16^{( . )}

(86)	International application number:
	PCT/US1997/003574

(87)	International publication number:
	WO 1997/033681 (18.09.1997 Gazette 1997/40)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

11.03.1996 US 19960613878

(71)	Applicant: OSMOTEK INCORPORATED
	Corvallis, Oregon 97339 (US)

(72)	Inventors:
	BEAUDRY, Edward, G. Corvallis, OR 97330 (US) HERRON, John, R. Corvallis, OR 97330 (US)

(74)	Representative: McCarthy, Denis Alexis, et al
	MacLachlan & Donaldson 47 Merrion Square Dublin 2 Dublin 2 (IE)

(54)	ASYMMETRIC SUPPORTED MEMBRANE FOR DIRECT OSMOTIC CONCENTRATION