POSITIVE SELECTION SYSTEM FOR STABILISATION OF EXPRESSION VECTORS - Patent 0429467

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EP 0 429 467 A1

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(43)	Date of publication:
	05.06.1991 Bulletin 1991/23

(21)	Application number: 89907809.0

(22)	Date of filing: 11.07.1989

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International Patent Classification (IPC):

C12N 15/ 20^{( . )}
C12N 15/ 90^{( . )}

C12N 15/ 68^{( . )}

(86)	International application number:
	PCT/HU1989/000036

(87)	International publication number:
	WO 1990/000608 (25.01.1990 Gazette 1990/03)

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

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Priority:

14.07.1988 HU 19880003687

(71)	Applicant: RICHTER GEDEON VEGYESZETI GYAR R.T.
	H-1000 Budapest X (HU)

(72)	Inventors:
	LUKACSOVICH, Tamás H-1054 Budapest (HU) VENETIANER, Pál H-6724 Szeged (HU) BALIK , Gabriella H-6723 Szeged (HU) GAáL, Tamás H-1138 Budapest (HU)

(74)	Representative: Pett, Christopher Phineas, et al
	Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)

(54)	POSITIVE SELECTION SYSTEM FOR STABILISATION OF EXPRESSION VECTORS