APPARATUS AND METHOD FOR MEASURING NITROGEN CONTENT IN AQUEOUS SYSTEMS - Patent 0660927

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EP 0 660 927 A1

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(43)	Date of publication:
	05.07.1995 Bulletin 1995/27

(21)	Application number: 93921515.0

(22)	Date of filing: 13.09.1993

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International Patent Classification (IPC):

G01N 31/ 00^{( . )}
G01N 31/ 12^{( . )}

G01N 31/ 10^{( . )}

(86)	International application number:
	PCT/US1993/008593

(87)	International publication number:
	WO 1994/007134 (31.03.1994 Gazette 1994/08)

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

14.09.1992 US 19920944495

(71)	Applicant: ROSEMOUNT ANALYTICAL INC.
	Eden Prairie, MN 55344 (US)

(72)	Inventor:
	TAKAHASHI, Yoshihiro San Jose, CA 95123 (US)

(74)	Representative: Cross, Rupert Edward Blount, et al
	BOULT, WADE & TENNANT 27 Furnival Street London EC4A 1PQ London EC4A 1PQ (GB)

(54)	APPARATUS AND METHOD FOR MEASURING NITROGEN CONTENT IN AQUEOUS SYSTEMS