ORGANIC ACID ANHYDRIDE AND PHARMACEUTICAL COMPOSITION ON A PRODRUG BASE - Patent 0293432

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(11)

EP 0 293 432 A1

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(43)	Date of publication:
	07.12.1988 Bulletin 1988/49

(21)	Application number: 88900014.0

(22)	Date of filing: 30.10.1987

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International Patent Classification (IPC):

A61K 31/ 00^{( . )}
A61K 31/ 34^{( . )}
A61K 31/ 405^{( . )}
A61K 31/ 47^{( . )}
A61K 31/ 575^{( . )}
A61P 43/ 00^{( . )}
C07C 53/ 128^{( . )}
C07C 59/ 64^{( . )}
C07C 63/ 06^{( . )}
C07C 63/ 70^{( . )}
C07C 67/ 00^{( . )}
C07C 227/ 00^{( . )}
C07C 231/ 00^{( . )}
C07C 237/ 12^{( . )}
C07K 14/ 81^{( . )}

A61K 31/ 19^{( . )}
A61K 31/ 40^{( . )}
A61K 31/ 445^{( . )}
A61K 31/ 50^{( . )}
A61K 38/ 00^{( . )}
C07C 51/ 00^{( . )}
C07C 57/ 30^{( . )}
C07C 59/ 84^{( . )}
C07C 63/ 36^{( . )}
C07C 65/ 21^{( . )}
C07C 201/ 00^{( . )}
C07C 229/ 42^{( . )}
C07C 233/ 54^{( . )}
C07K 5/ 06^{( . )}

(86)	International application number:
	PCT/EP1987/000664

(87)	International publication number:
	WO 1988/003020 (05.05.1988 Gazette 1988/10)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

31.10.1986 NL 19860002767

(71)	Applicant: NV GANTAX PHARMACEUTICA
	B-2520 Edegem (BE)

(72)	Inventors:
	JANSEN, Frans, Herwig, Jan B-2360 Oud Turnhout (BE) DE COCK, Etienne, Jacquy B-1820 Grimbergen (BE)

(74)	Representative: van 't Holt, Henk
	Patent Attorney/Octrooigemachtigde Churchilllaan 30 NL-5224 BV 's-Hertogenbosch NL-5224 BV 's-Hertogenbosch (NL)

(54)	ORGANIC ACID ANHYDRIDE AND PHARMACEUTICAL COMPOSITION ON A PRODRUG BASE