MAGNETIC MATERIALS FOR SECURITY APPLICATIONS - Patent 0412137

(19)

(11)

EP 0 412 137 A1

(12)

(43)	Date of publication:
	13.02.1991 Bulletin 1991/07

(21)	Application number: 90901612.0

(22)	Date of filing: 09.01.1990

(51)

International Patent Classification (IPC):

H01F^{( . )}
G08B 13/ 24^{( . )}
H01F 41/ 26^{( . )}

H01F 41/ 24^{( . )}
H01F 10/ 14^{( . )}

(86)	International application number:
	PCT/GB1990/000024

(87)	International publication number:
	WO 1990/007784 (12.07.1990 Gazette 1990/16)

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

(30)

Priority:

09.01.1989 GB 19890000398

(71)	Applicant: SCIENTIFIC GENERICS LTD
	Cambridge , CB4 2PF (GB)

(72)	Inventor:
	DAVIES, Dafydd, Geraint Cambridge CB5 8HX (GB)

(74)	Representative: Abrams, Michael John, et al
	HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)

(54)	MAGNETIC MATERIALS FOR SECURITY APPLICATIONS