VINYLAROMATIC AND CYCLIC ALIPHATIC MONOMER PURIFICATION PROCESS - Patent 0844990

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EP 0 844 990 A1

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(43)	Date of publication:
	03.06.1998 Bulletin 1998/23

(21)	Application number: 96918069.0

(22)	Date of filing: 04.06.1996

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International Patent Classification (IPC):

C07C 7/ 12^{( . )}
C07C 7/ 173^{( . )}

C07C 7/ 13^{( . )}
C07C 15/ 46^{( . )}

(86)	International application number:
	PCT/US1996/008834

(87)	International publication number:
	WO 1997/002224 (23.01.1997 Gazette 1997/05)

(84)	Designated Contracting States:
	DE

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Priority:

06.07.1995 US 19950000905P

(71)	Applicant: THE DOW CHEMICAL COMPANY
	Midland, Michigan 48674 (US)

(72)	Inventor:
	LAPOINTE, Robert, E. Midland, MI 48642 (US)

(74)	Representative: Burford, Anthony Frederick
	W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)

(54)	VINYLAROMATIC AND CYCLIC ALIPHATIC MONOMER PURIFICATION PROCESS