IMPROVEMENTS IN OR RELATING TO OPTICAL BIOSENSORS - Patent 0404900

(19)

(11)

EP 0 404 900 A1

(12)

(43)	Date of publication:
	02.01.1991 Bulletin 1991/01

(21)	Application number: 90900247.0

(22)	Date of filing: 06.12.1989

(51)

International Patent Classification (IPC):

G01N 21/ 77^{( . )}

(86)	International application number:
	PCT/GB1989/001461

(87)	International publication number:
	WO 1990/008318 (26.07.1990 Gazette 1990/17)

(84)	Designated Contracting States:
	DE FR GB

(30)

Priority:

11.01.1989 GB 19890000556

(71)	Applicant: PLESSEY OVERSEAS LIMITED
	Ilford Essex IG1 4AQ (GB)

(72)	Inventor:
	CUSH, Rosemary Northampton NN1 5LY (GB)

(74)	Representative: Pope, Michael Bertram Wingate, et al
	The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane Chelmsford, Essex CM1 2QX Chelmsford, Essex CM1 2QX (GB)

(54)	IMPROVEMENTS IN OR RELATING TO OPTICAL BIOSENSORS