PYRIDAZINE AND PHTHALAZINE DERIVATIVES, PROCESS OF THEIR PREPARATION AND THEIR USE AS ANTICONVULSANTS - Patent 0975605

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EP 0 975 605 A1

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(43)	Date of publication:
	02.02.2000 Bulletin 2000/05

(21)	Application number: 98920520.8

(22)	Date of filing: 14.04.1998

(51)	International Patent Classification (IPC)⁷: C07D 237/20, C07D 237/34, A61K 31/50

(86)	International application number:
	PCT/EP9802/172

(87)	International publication number:
	WO 9846/574 (22.10.1998 Gazette 1998/42)

(84)	Designated Contracting States:
	BE CH DE ES FR GB IT LI NL

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Priority:

16.04.1997 GB 9707693

(71)	Applicant: SMITHKLINE BEECHAM PLC
	Brentford,Middlesex TW8 9EP (GB)

(72)	Inventors:
	HARLING, John, DavidSmithKline Beecham Pharmac. HarlowEssex CM19 5AW (GB) HERDON, Hugh, JonathanSmithKline Beecham Pharm. HarlowEssex CM19 5AW (GB) ORLEK, Barry, SidneySmithKline Beecham Pharmac. HarlowEssex CM19 5AW (GB) THOMPSON, MervynSmithKline Beecham Pharmac. HarlowEssex CM19 5AW (GB)

(74)	Representative: West, Vivien et al
	SmithKline Beecham plcCorporate Intellectual Property,Two New Horizons Court Brentford, Middlesex TW8 9EP Brentford, Middlesex TW8 9EP (GB)

(54)	PYRIDAZINE AND PHTHALAZINE DERIVATIVES, PROCESS OF THEIR PREPARATION AND THEIR USE AS ANTICONVULSANTS