GAS SENSORS, AND METHODS OF MAKING AND USING THEM - Patent 0226584

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EP 0 226 584 A1

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(43)	Date of publication:
	01.07.1987 Bulletin 1987/27

(21)	Application number: 85904125.0

(22)	Date of filing: 20.08.1985

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International Patent Classification (IPC):

G01N 27/ 12^{( . )}

(86)	International application number:
	PCT/GB1985/000373

(87)	International publication number:
	WO 1986/001599 (13.03.1986 Gazette 1986/06)

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

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Priority:

21.08.1984 GB 19840021188

(71)	Applicant: Cogent Limited
	London, EC4N 4TP (GB)

(72)	Inventors:
	PERSAUD, Krishna, Chandra St. Albans Hertfordshire AL1 4PD (GB) PELOSI, Paolo I-Calci (PI) (IT)

(74)	Representative: Armitage, Ian Michael, et al
	MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)

(54)	GAS SENSORS, AND METHODS OF MAKING AND USING THEM