Polytetrafluoroethylene slit yarn, method for manufacturing the same and ion exchange membrane formed from the yarn

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EP 1 748 093 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	16.05.2012 Bulletin 2012/20

(45)	Mention of the grant of the patent:
	28.03.2012 Bulletin 2012/13

(21)	Application number: 06253974.7

(22)	Date of filing: 28.07.2006

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International Patent Classification (IPC):

B01D 61/44^(2006.01)
D01D 5/42^(2006.01)
B65H 45/04^(2006.01)

D01F 6/12^(2006.01)
D02G 3/06^(2006.01)

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Polytetrafluoroethylene slit yarn, method for manufacturing the same and ion exchange membrane formed from the yarn

Geschlitztes Garn aus Polytetrafluorethylen, Verfahren zu dessen Herstellung sowie aus dem Garn hergestellte Ionenaustauschmembran

Fil pelliculair en polytétrafluoroéthylène, procédé pour sa production et membrane échangeuse d'ions formée à partir de ce fil

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

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Priority:

29.07.2005 JP 2005221604

(43)	Date of publication of application:
	31.01.2007 Bulletin 2007/05

(73)	Proprietor: W.L. Gore & Associates, Co., Ltd.
	Tokyo 108-0075 (JP)

(72)	Inventor:
	Kazumasa, Yoshida, Japan Gore-Tex, Inc. Tokyo (JP)

(74)	Representative: Shanks, Andrew et al
	Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)

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References cited: :

EP-A- 0 307 785
DE-C1- 19 734 049

WO-A-95/34699
JP-A- 7 258 933

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).