METHOD FOR THE COLORIMETRIC QUANTIFICATION OF IONS - Patent 0910447

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EP 0 910 447 A1

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(43)	Date of publication:
	28.04.1999 Bulletin 1999/17

(21)	Application number: 97934036.0

(22)	Date of filing: 07.07.1997

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International Patent Classification (IPC):

G01N 21/ 78^{( . )}
B01D 71/ 26^{( . )}
B01J 20/ 32^{( . )}

B01D 15/ 00^{( . )}
B01D 71/ 36^{( . )}
C02F 1/ 44^{( . )}

(86)	International application number:
	PCT/US1997/011446

(87)	International publication number:
	WO 1998/002224 (22.01.1998 Gazette 1998/03)

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

12.07.1996 US 19960679123

(71)	Applicants:
	IBC ADVANCED TECHNOLOGIES, INC. American Fork, UT 84003 (US) MINNESOTA MINING AND MANUFACTURING COMPANY Saint Paul, MN 55144 (US)

(72)	Inventors:
	BRUENING, Ronald, L. American Fork, UT 84003 (US) GOKEN, Garold, Lee Birchwood, MN 55119 (US) KRAKOWIAK, Krzysztof, E. Provo, UT 84601 (US) SEELY, David, Cameron Maplewood, MN 55119 (US) STREHLOW, Wolfgang, Hans St. Paul, MN 55116 (US)

(74)	Representative: Thomson, Paul Anthony, et al
	Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR Birkenhead Merseyside L41 6BR (GB)

(54)	METHOD FOR THE COLORIMETRIC QUANTIFICATION OF IONS