PROCESS OF REMOVING DYES - Patent 0623181

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EP 0 623 181 A1

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(43)	Date of publication:
	09.11.1994 Bulletin 1994/45

(21)	Application number: 93902434.0

(22)	Date of filing: 22.01.1993

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International Patent Classification (IPC):

C09B 67/ 54^{( . )}
B01D 61/ 16^{( . )}

B01D 61/ 14^{( . )}
D06P 1/ 00^{( . )}

(86)	International application number:
	PCT/GB1993/000135

(87)	International publication number:
	WO 1993/015258 (05.08.1993 Gazette 1993/19)

(84)	Designated Contracting States:
	DE FR GB IT SE

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Priority:

24.01.1992 GB 19920001496

(71)	Applicant: W.L. GORE & ASSOCIATES (UK) LTD
	London WC2A 2JP (GB)

(72)	Inventor:
	McCOLLAM, Francis Michael, John Carnoustie, Angus DD7 6DP (GB)

(74)	Representative: Naismith, Robert Stewart
	CRUIKSHANK & FAIRWEATHER 19 Royal Exchange Square Glasgow, G1 3AE Scotland Glasgow, G1 3AE Scotland (GB)

(54)	PROCESS OF REMOVING DYES