A PROCESS FOR THE PURIFICATION OF AN INTERMEDIATE USEFUL IN THE SYNTHESIS OF IODINATED CONTRAST MEDIA - Patent 0888287

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EP 0 888 287 A1

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(43)	Date of publication:
	07.01.1999 Bulletin 1999/01

(21)	Application number: 97953838.0

(22)	Date of filing: 17.12.1997

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International Patent Classification (IPC):

C07C 231/ 24^{( . )}

C07C 237/ 46^{( . )}

(86)	International application number:
	PCT/EP1997/007077

(87)	International publication number:
	WO 1998/028261 (02.07.1998 Gazette 1998/26)

(84)	Designated Contracting States:
	DE ES FR GB IE IT NL PT

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Priority:

24.12.1996 IT 1996MI02737

(71)	Applicant: Bracco International B.V.
	1077 ZX Amsterdam (NL)

(72)	Inventors:
	VILLA, Marco I-20125 Milano (IT) PAIOCCHI, Maurizio I-20152 Milano (IT) BENEDETTI, Fabio I-22060 Cremella (IT)

(74)	Representative: Minoja, Fabrizio, Dr.
	Bianchetti Bracco Minoja S.r.l. Via Rossini, 8 20122 Milano 20122 Milano (IT)

(54)	A PROCESS FOR THE PURIFICATION OF AN INTERMEDIATE USEFUL IN THE SYNTHESIS OF IODINATED CONTRAST MEDIA