POLYMERIC MULTILAYER HEAT EXCHANGERS CONTAINING A BARRIER LAYER - Patent 0925182

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EP 0 925 182 A1

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(43)	Date of publication:
	30.06.1999 Bulletin 1999/26

(21)	Application number: 97939901.0

(22)	Date of filing: 09.09.1997

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International Patent Classification (IPC):

B32B 27/ 08^{( . )}

F28F 21/ 06^{( . )}

(86)	International application number:
	PCT/CA1997/000647

(87)	International publication number:
	WO 1998/010927 (19.03.1998 Gazette 1998/11)

(84)	Designated Contracting States:
	BE DE FR GB IT NL

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Priority:

11.09.1996 US 19960025932P
05.08.1997 US 19970906385

(71)	Applicant: DUPONT CANADA INC.
	Mississauga, Ontario L5M 2H3 (CA)

(72)	Inventors:
	STEVENS, Kenneth, Earl Kingston, Ontario K7P 2P5 (CA) SUBRAMANIAN, Pallatheri, M. Hockessin, DE 19707 (US)

(74)	Representative: Jones, Alan John
	CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)

(54)	POLYMERIC MULTILAYER HEAT EXCHANGERS CONTAINING A BARRIER LAYER