ULTRA WHITE N,N'-ETHYLENE-BIS(TETRABROMOPHTHALIMIDE) AND ITS PRODUCTION IN AQUEOUS ACETIC ACID - Patent 0644876

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EP 0 644 876 A1

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(43)	Date of publication:
	29.03.1995 Bulletin 1995/13

(21)	Application number: 93912875.0

(22)	Date of filing: 01.06.1993

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International Patent Classification (IPC):

C07D 209/ 48^{( . )}
C08K 5/ 3417^{( . )}

C08K 5/ 00^{( . )}

(86)	International application number:
	PCT/EP1993/001403

(87)	International publication number:
	WO 1993/025526 (23.12.1993 Gazette 1993/30)

(84)	Designated Contracting States:
	BE DE FR GB NL SE

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Priority:

08.06.1992 GB 19920012243
30.09.1992 US 19920954280

(71)	Applicant: GREAT LAKES CHEMICAL (EUROPE) LTD.
	CH-8501 Frauenfeld (CH)

(72)	Inventors:
	TARBIT, Brian Ashington, Northumberland NE63 9TAU (GB) ADGER, Brian Windmill Hill, Hexham AT46 3EE (GB) WILLETT, Paul Witton-Le-Wear, County Durham DL14 0AH (GB)

(74)	Representative: Atkinson, Peter Birch, et al
	MARKS & CLERK, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)

(54)	ULTRA WHITE N,N'-ETHYLENE-BIS(TETRABROMOPHTHALIMIDE) AND ITS PRODUCTION IN AQUEOUS ACETIC ACID